Analysis and Maesurements

een uitzonderlijk avontuur DULIS bv - Nederland Marten Meesweg 25-G - 3068 AV Rotterdam www.dulis.nl I + 31 10-899 13 61 I info@dulis.nl

MICROBIOLOGY : ANALYSES AND MEASUREMENTS • Petri dishes, accessories 265 to 270 • Inoculators 270 to 272 • Accessories Petri dishes 273 • Spreaders, spatulas, stirring rods, toothpicks, sterile forceps and cotton swabs 274 to 276 • Swabs 276 to 278 • Spectrophotometry cuvettes 279 to 283 • Microscopy slides, plates with cavities 284 to 288 • Histology accessories: marker, engraver, other 288 to 291 • Staining jars 292 to 295 • Accessories for slides 295 to 308 • Inclusion cassettes 304 and 305 • Cytology funnels 306 and 307 • CryoSette 308 • Slide scanner 308 • Cooling plate and histology bath 308 and 309 • Paraffin dispenser, paraffin 309 and 310 • Microtome 310 • Pasteur Pipettes 310 to 312 • Transfer pipettes 312 to 318 • Fast-Read 102® and M-T® BIOSIGMA System 317 • Counting cells, counters, colony counters 317 to 321 • Up/down counters, timers, stopwatches 322 to 332 • Thermometers, hygrometers and temperature recorders 332 to 353 • Air and environment analysis 353 • pH meters, pH paper, pH solutions, electrodes 354 to 366 • Conductivity meters, multiparameter measurements 367 and 368, 371 to 376 • Electrodes 369 and 370 An extraordinary adventure

Analysis and measurements 265 All prices are indicative and exclude VAT. Visit www.dulis.nl Polystyrene Petri dishes, with or without vents, excellent clarity, high quality with flat and stable bottom. A "heavy" version has more material which further increases stability. 3 versions: aseptic (not sterilised by irradiation), sterile E-Beam irradiated (electron bombardment) and sterile gamma irradiated. Petri dishes Contact Petri dishes are specifically designed for surface sampling to locate or identify micro-organisms. Graduated bottom divided into squares for an easier colony count. Contact dishes are available in either aseptic (nonradiation sterilised) or sterile E-BEAM irradiated versions. Contact Petri dishes Special Petri dishes Microbiologie / Petri dishes hMade of crystal polystyrene, superior clarity hManufactured under ISO Class 7 conditions hAvailable aseptic or sterile (E-Beam irradiated, 10 kgy) hCellulose discs for anti-biograms hDiameter: 6, 9 or 12 mm Cat. No. Description Units/ box €/ box 074074 Antibiotic disc 6 mm 1000 N/A - 074113 Antibiotic disc 9 mm 1000 N/A - 074114 Antibiotic disc 13 mm 1000 N/A - Cat. No. Dimensions (mm) Vents Sterile Unit unit. Units/ box €/ box 629161 65 x 15 No E-Beam 20 600 N/A - 629180 65 x 15 Yes E-Beam 20 600 N/A - 629102 66 x 15 No Aseptic* 20 600 N/A - * Not sterilised by irradiation Cat.No ø x H (mm) / feature Vented Aseptic* Pack unit Units/ box €/ box 635102 94 x 16 2 compartments Yes Yes 20 480 N/A - 657102 6 wells 15 ml Yes Yes 2 100 N/A - * Not sterilised by irradiation Aseptic E-Beam Irradiated Gamma Irradiated ø x h (mm) Vents Units/ bag Units/ box Cat.No € Cat.No € Cat.No € 35 x 15 Yes 10 740 627102 N/A - - - - - 55 x 12*** No 15 1620 020003 N/A - - - - - 60 x 15 Yes 20 600 628102 N/A - 628161 N/A - 628162B N/A - 93 x 21* Yes 15 360 664102 N/A - - - 664161 N/A - 94 x 16 Yes 20 480 633180 N/A - - - - - 94 x 16* Yes 20 480 - - - - - - 94 x 16 No 20 480 632180 N/A - - - - - 94 x 16* No 20 480 - - - - 632191 N/A - 145 x 20 Yes 15 120 639102 N/A - 639161 N/A - 639101 N/A - 120 x 120 x 17 (square) Yes 10 240 688102 N/A - - - 688162 N/A - * Heavy version, high-stability ** Economy version *** double packaging and easy opening ClearLine® Petri dishes Antibiotic discs Greiner Bio-One Petri dishes TIP See pages 590 and following for bacteriology media Aseptic E-Beam Irradiated Dimensions* (mm) Vents Units/ bag Units/ box Cat.No €/ box Cat.No €/ box 55 x 14 (Ø x H) Without 15 1200 076059 N/A - 076059S N/A - 55 x 14 (Ø x H) 3 15 1200 076058 N/A - 076058S N/A - 90 x 13 (Ø x H) Without 20 500 020006B N/A - 020006BS N/A - 90 x 14.2 (Ø x H) 3 33 825 257045 N/A - - - 90 x 13 (Ø x H) 3 20 500 076084B N/A - 076084BS N/A - 90 x 13 (Ø x H) 3 20 500 076064** N/A - - - 120 x 120 x 15 (W x L x H) 4 10 240 076063 N/A - 076063S N/A - 140 x 13 (Ø x H) 4 15 165 076060B N/A - 076060SD N/A - * General dimensions, see the data sheets on www.dulis.nl for more details. ** Double packaging

Analysis and measurements 266 Made of polystyrene, specially designed for screening work, it is particularly suitable for agar diffusion analysis and for all bacteriology work requiring a large surface area. hSterilised by gamma rays hTotal flatness hTotal area: 500 cm2, working volume: 225 ml hExt. dim.: 245 x 245 x 25 mm Standard Petri dishes Compartmented aseptic Petri dishes High flatness, excellent optical quality: Nunc quality. 056502 055249 055250 Microbiology / Petri dishes hFor bacteriology, sterilised with gamma rays hPerfectly flat surfaces, excellent transparency * square ** double pack*** double pack, easy to open Falcon® Petri dishes Nunc Petri dishes Square dishes for Nunc screening Stérilin Petri dishes Corning® GosselinTMPetri dishes hSterile hWith or without vents hContact dish with counting grid, without vents Cat. No. ø x h (mm) Type Units/ bag Units/ box €/ box 351008 35 x 10 Easy grip 20 500 N/A - 351006* 50 x 9 Waterproof cover 20 500 N/A - 351029 100 x 15 Standard 20 500 N/A - 351058 150 x 15 Standard 10 100 N/A - * See ICSI Petri dish page 63 Cat. No. Description ø x H with lid. (mm) Pack unit Units/ box €/ box 055249 Dish without vents 58 x 15 20 400 N/A - 055250 Contact dish 67 x 15 11 396 N/A - 056502 Dish with vents 100 x 15 20 320 N/A - Cat. No. Dimensions (mm) Compartment(s) Vents Pack unit. Units/ box €/ box 020009 100 x 100 1 Yes 5 120 N/A - 020010 100 x 100 25 Yes 5 120 N/A - 020012 ø 90 x H 16 2 Yes 20 500 N/A - Cat. No. Dimensions (mm) Sterile Vents Pack unit. Units/ box €/ box 020005 94 x 16 Aseptic Yes 20 500 N/A - 020006 94 x 16 Sterile No 20 500 N/A - 020008 145 x 20 Sterile Yes 5 80 N/A - Cat. No. ø x h (mm) Vents Sterile Units/ bag Units/ box €/ box 020003*** 55 x 12 Without Aseptic 15 1620 N/A - 020163*** 55 x 12 Without Ionised 15 1620 N/A - 080937 55 x 12 6 Aseptic 15 1620 N/A - 688308 55 x 12 6 Ionised 15 1620 N/A - 080097** 65 x 14.5 3 Ionised 20 720 N/A - 688301 90 x 14.2 Without Aseptic 33 825 N/A - 688306 90 x 14.2 1 Aseptic 28 700 N/A - 688302 90 x 14.2 1 Aseptic 33 825 N/A - 688307 90 x 16.2 3 Aseptic 28 700 N/A - 688298** 90 x 14.2 3 Aseptic 33 825 N/A - 688303 90 x 14.2 3 Aseptic 33 825 N/A - 639104 140 x 20.6 Without Aseptic 11 176 N/A - 639164 140 x 20.6 Without Ionised 11 176 N/A - 030866 140 x 20.6 3 Aseptic 11 176 N/A - 030555* 120 x 120 4 Aseptic 14 252 N/A - 030555S* 120 x 120 4 Ionised 14 252 N/A - Cat. No. Description Pack unit. Units/ box €/ box 055253 Screening plate 245 x 245 4 16 N/A -

Analysis and measurements 267 All prices are indicative and exclude VAT. Visit www.dulis.nl Petri dishes Round Petri dishes Rodac Petri dishes Polystyrene Petri dishes Square Petri dish Specific Petri dishes hIn polystyrene hPerfect flatness hConstant thickness hStackable hHigh transparency h2 versions: non sterile (ISO 6) or sterile Diameter (mm) 55 60 90 150 Height (mm) 14 14.2 14.2 16.2 14.2 16.2 14.2 16.2 14.2 16.2 17.5 Vents 3 3 3 3 3 3 Without Without Without Without 1 1 1 1 3 3 3 Number of compartments 1 2 2 1 Sterile Yes Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes Yes Packaging unit 10 10 20 20 20 20 20 20 20 20 20 20 20 20 20 20 5 Units/box 800 1080 480 480 480 480 480 480 480 480 480 480 480 480 480 480 160 Cat. No. 390160* 390156 390155 390162 390153 390154 390163 390166 390164 390165 390167 390170 390168 390169 390158 390159 390157 €/box N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - L x W (mm) 120 x 120 Height (mm) 17.5 Vents 3 Number of compartments 1 Sterile Yes Packaging unit 10 Units/box 240 Cat. No. 390161 €/box N/A - Diameter (mm) 65 Height (mm) 14.5 Vents Without 4 Number of compartments 1 Packaging unit 18 18 Units/box 918 918 Aseptic Cat. No. 483000 483001 €/box N/A - N/A - Sterile Cat. No. 483002 483003 €/box N/A - N/A - Diameter (mm) 55 90 90 120 140 Height (mm) 14.2 14.2 16.2 15 15 Vents Without 3 Without 3 Without 3 Without 3 Without 3 Packaging unit 15 15 25 25 25 25 16 16 10 16 Units/box 1005 1005 600 600 600 600 240 240 110 240 Aseptic Cat. No. 483004 483005 483008 483009 483012 483013 483026 483027 483030 483031 €/box N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - Sterile Cat. No. 483006 483007 483010 483011 483014 483015 483028 483029 483032 483033 €/box N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - Diameter (mm) 90 90 90 90 90 Height (mm) 14.2 14.2 14.2 14.2 14.2 Vents 3 3 4 4 4 Number of compartments 1 2 1 2 3 Specifications Laser marking Stability ring Packaging unit 25 25 25 25 25 Units/box 600 600 600 600 600 Aseptic Cat. No. 483016 483018 483020 483022 483024 €/box N/A - N/A - N/A - N/A - N/A - Sterile Cat. No. 483017 483019 483021 483023 483025 €/box N/A - N/A - N/A - N/A - N/A - * With counting grid hIn polystyrene hWith counting grid

Analysis and measurements 268 Cat. No. Description € 110723 Rack for 10 Petri dishes, Ø 60 - 100 mm N/A - 110724 Rack for 15 Petri dishes, Ø 60 - 100 mm N/A - 110725 Rack for 10 Petri dishes, Ø 60 - 150 mm N/A - 110726 Rack for 45 Petri dishes, Ø 60 mm N/A - 110727 Rack for multi-well plates N/A - 110728 Rack for 9 tubes, Ø 18 mm N/A - Cat.No Description Units/ box €/ box 110712 GasPack Bag Anaerobic Kit, capacity 3.5 l 10 N/A - 110713 GasPack Bag CO 2 Kit, capacity 2.5 l 10 N/A - 110714 GasPack Bag microaerophil Kit , capacity 3.5 l 10 N/A - 110715 Anaerobe Indicator Test 100 N/A - Anaerobic jars Racks Accessories For the cultivation of anaerobic organisms or for microaerophilic organisms. hWith valves for evacuation and filling with the desired gas hRobust stainless steel containers hUV-stable hEasy to clean hPVC lids hManometers mounted on the lid, display of positive pressure from - 1 to + 0.2 bar Cat. No. Type For Vol. (l) Dim. Ø x H (mm) Material body/lid Connections Usable racks No. of gas pack € 110711 Crystal 15 Petri dishes, Ø 60-100 mm 3 120 x 270 Transparent PC 2 valves, 1 manometer 110723, 110728, 110724 1 N/A - 110719 Large 15 Petri dishes, Ø 60-150 mm 6 175 x 260 Stainless steel/ black plastic 2 valves, 1 manometer 110723, 110724, 110725, 110727, 110728, 110726 2 N/A - 110720 Small 10 Petri dishes, Ø 60-100 mm 2 120 x 170 Stainless steel/ black plastic 2 valves, 1 manometer 110723, 110724, 110728 1 N/A - 110721 Standard 15 Petri dishes, Ø 60-100 mm 3 120 x 270 Stainless steel/ black plastic 2 valves, 1 manometer 110723, 110724, 110728 1 N/A - 110722 Eco 15 Petri dishes, Ø 60-100 mm 3 120 x 270 Stainless steel / PC transparent Ventilation valves 110723, 110724, 110728 1 N/A - 110724 110721 110719 110711 Anaerobic jars with Petri dish racks Anaerobic jars Cat. No. Description € 260626 Anaerobic jar N/A - Cat. No. Description € 260673 Rack fo 15 - 18 Petri dishes for GasPak™ EZ standard N/A - 260674 Rack for 30 - 33 Petri dishes for GasPak™ EZ large N/A - GASPAK 100 GASPAK EZ hSupplied complete hWith racks for 12 dishes hFor 15 or 30 dishes h Racks Cat.No Anaerobic jar € 260671 for 15 dishes N/A - 260672 for 30 dishes N/A - Cat.No. Description Units/ box €/ box 260683 GasPak EZ Anaerobic atmosphere production system 20 N/A - 260684 CO2 GasPak EZ atmosphere production system 20 N/A - Bag Atmosphere production A pad is saturated with methylene blue. This colour changes from blue to colourless in the absence of oxygen. Cat. No. Description Units/ box €/ box 0260001 Anaerobic atmosphere production systems 20 N/A - 176047 Anaerobic atmosphere indicator strip 100 N/A - Production and anaerobic atmosphere indicator hAllows the production of an anaerobic atmosphere hAnaerobic atmosphere indicator hFor round jar or EZ jar hPer pack of 20 hContains 2 Petri dishes diameter 90 mm hPer pack of 20 Accessories for Petri dishes

Analysis and measurements 269 All prices are indicative and exclude VAT. Visit www.dulis.nl Cat. No. Description € 037798 Petri dish dispenser N/A - Cat. No. For 36 Petri dishes of diameter L x W x H (mm) € 150303 90 mm 380 x 270 x 140 N/A - 150304 65 mm 310 x 210 x 140 N/A - 150305 55 mm 280 x 210 x 130 N/A - Cat. No. Number of columns L x W x H (mm) Dish capacity € 086630 1 108 x 108 x 356 20 N/A - 086631 3 343 x 105 x 305 42 N/A - Cat. No. Model L x W x H (mm) Dish capacity € 085495 1 rack 145 x 110 x 280 11 N/A - 085496 1 stand + 3 racks 145 x 320 x 280 3 x 14 N/A - Colour Transparent White Red Yellow Blue €/ the roll Cat.No 053001 053002 053003 053004 053005 N/A - hIn acrylic hfor 2 x 15 Petri dishes ø 100 mm hTo be placed on the bench or fixed to the wall (supplied with screws) hDimensions: 222 x 107 x 236 mm Stainless steel rack for loading Petri dishes into the incubator. hCapacity: 36 Petri dishes in 2 x 3 stacks of 6 dishes hComplies with the V08-002 standard for loading ovens Accessories for Petri dishes Petri dish basket holder Dispenser 2 x 15 Petri dishes hMade of epoxy-coated steel hNot suitable for glass Petri dishes hTop loading hWith handle for transporting 100 mm or 90 mm Ø Petri dishes Epoxy coated steel racks for storing and dispensing Petri dishes. h2 models: the rack alone or the holder for 3 racks hTop loading hHolds 11 or 3 x 14 ø 90 mm or 100 mm polystyrene Petri dishes hThe dish is recovered from the bottom Dispensing Racks for Petri dishes Racks for Petri dishes For sealing Petri dishes and microplates... Stretch tape for sealing and closing Petri dishes and microplates. hLimits the risk of evaporation hReduces gas exchange and the risk of contamination hWidth: 12.7 mm, lenght: 35 m hFlexible, stretchable hGood solvent resistance, waterproof hOperating temperature range: from -30 °C to +70 °C Petri dish closure tape

Analysis and measurements 270 Two models available: • for 48 (4 x 12) plastic Petri dishes 94 mm; • for 84 (4 x 24) plastic Petri dishes 94 mm. EasyPlate™ racks for 84 Petri dishes EasyPlate™ racks for 48 Petri dishes 84 -dish 48 -dish hIncrease the working area hEliminate the swinging effect of Petri dishes hGood hold of the dishes thanks to an elastic system hSupplied with marking labels hPolycarbonate, Autoclavable EasyPlate™Racks for Petri Dishes Polypropylene tray for 5 x 100 mm diameter Petri dishes or 15 x 60 mm diameter Petri dishes. hStackable trays to optimise incubator space hL x W x H: 251 x 237 x 35 mm hFacilitate handling and incubation of Petri dishes hWhite epoxy hDimensions: 349 x 134 x 22 mm hPossible Petri dish diameters: 90, 60, 50 and 35 mm hFor 60 Petri dishes ø 65 mm or 42 Petri dishes ø 100 mm hWhite polypropylene, with carrying handle hAutoclavable at 121 °C for 20 minutes hSupplied flat, to be assembled hL x W x H Cat.No. 065401: 26.6 x 16.5 x 17.8 cm hL x W x H Cat.No. 088736: 33 x 21 x 17.8 cm Accessories Petri dishes / Inoculating loops Rodac Racks for Petri dishes Incubation trays for Petri dishes hTwo models: 1 µl or 10 µl + Spherical extremity / or 1 µl or 10 µl + needle extremity (vaccinostyl) hIn soft polystyrene, softer with agar hErgonomic hIn re-sealable zip lock bag hSterile Economic models Volume 1 µl 10 µl Units/bag 20 20 Units/box 9000 9000 Inoculating loop + ball 076835 076837 Inoculating loop + needle 076839 - €/box N/A - N/A - 076835 076839 Corning® GosselinTMInoculating loops Stackable incubation tray for Petri dishes Natural Red Yellow Blue € Assorted € 4 units 086645 086647 086648 086649 N/A - 086651 N/A - Natural Blue € 086646 086650 N/A - Cat. No. Description € 065401 Rack for 60 Petri dishes Ø 65 mm N/A - 088736 Rack for 42 Petri dishes Ø 100 mm N/A - Cat. No. Description € 3 units 086601 Stackable incubation tray for Petri dishes N/A - Cat. No. Description € 085497 White epoxy incubation tray N/A - Cat. No. Description Pack unit. Units/ box €/ box 731165GO Inoculating loop, 1 µl 20 3000 N/A - 731175GO Inoculating loop, 10 µl 20 3000 N/A -

Analysis and measurements 271 All prices are indicative and exclude VAT. Visit www.dulis.nl hIn polystyrene hSoft surface of the loop prevents damage to the agar hSterile, in zip lock bag of 25 units hFlexible loops for easier collection and inoculation hSterile polystyrene hAllows the inoculation of micro-organisms without altering the agar hIdeal loops for colony collection hLength: 200 mm hSterile h1 µl or 10 µl version hColour coded for easy identification hExtremely smooth loop surface hTwo models, soft or hard hPackaging in sealed or resealable pouch hThe resealable pouch is placed on a special holder which allows easy removal of the Inoculating loop Inoculating loop 1 µl Inoculating loop 10 µl Type Flexible Rigid Flexible Rigid Colour Light green Dark green Light blue Dark blue Pouch type Peel Resealable Peel Resealable Peel Resealable Peel Resealable Units/bag 10 10 20 40 10 20 40 10 10 20 40 10 20 40 Units/box 100 2000 4000 4000 2000 4000 4000 100 2000 4000 4000 2000 2000 4000 Cat. No. 042861 042828 042829 042837 042825 042826 042836 042862 042830 042832 042838 042827 042831 042835 €/box N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - N/A - Accessories Microbiology / Inoculating loops Inoculating loops and seeders Inoculating loops and vaccinostyls in sealed or resealable pouch Blue and orange Inoculating loops hBlue or white soft polypropylene, sterile single use hOne side needle, other side with 1 or 10 µl loop hIn peel packs of 1, 5, 10 or 20 units Packaging unit 1 5 10 10 20 20 Units/box 2100 4000 2000 12000 2000 10000 Inoculating loop 1 µl, white 390533 390534 390532A 390532 390531A 390531 Inoculating loop 10 µl, blue 390529 390530 390528A 390528 390527A 390527 €/box N/A - N/A - N/A - N/A - N/A - N/A - Units/bag 1 10 50 Units/box 600 3000 2000 Inoculating loop 1 µl 731161 731165 731101 Inoculator 10 µl 731171 731175 731170 Seeders 731181 731185 731180 €/box N/A - N/A - N/A - Biosigma seeders Cat. No. Description Units/ bag Units/ box €/ box 042833 Inoculating needle in peel pouch 20 2000 N/A - 042834 Inoculating needle in resealable pouch 40 4000 N/A - 042839 Holder for resealable pouch - 1 N/A - Cat. No. Volume (µl) Colour Units/ bag Units/ box €/ box 010174 1 Blue 25 1000 N/A - 010175 10 Orange 25 1000 N/A -

Analysis and measurements 272 hHigh precision, rigorous manufacturing quality hSterilised by gamma rays Stainless steel Inoculating loop of 1.5 mm, 2.5 mm and 4 mm diameter. hNichrome inoculating loop, calibrated or not, without handle or with insulated aluminium handle hFor calibration, use the 1 µl or 10 µl loop gauges Non-calibrated inoculation loops without handles Calibrated inoculation loop without handles Calibration gauges Seeding Loops Non-calibrated inoculating loops with insulated aluminium handle Loop holders 042842 042843 042844 042845 042846 042847 042848 042849 042850 042851 042853 042852 hNichrome handles, twisted wire hSupplied with or without handle Units/bag 12 50 Units/box 2400 4000 Inoculating loop 1 µl 055254 055255 Inoculating loop 10 µl 055256 055257 Vaccinostyle - 055258 €/box N/A - N/A - Microbiology / Inoculating loops Nunc Inoculating loops and vaccinostyles Stainless steel Inoculating loops Nichrome Inoculating loops Reusable inoculation loops and needles Cat.No Type Handle Calibrated Dimensions Units/ box €/ box 141174B Handle No No Int. ø 2.45 mm 25 N/A - 141175B Handle No No Int. ø 3.41 mm 25 N/A - 141176B Handle No No Int. ø 5.45 mm 25 N/A - 141172 Handle No Yes Int. ø 4 mm (10 µl) 5 N/A - 141173 Handle No Yes Int. ø 1.45 mm (1 µl) 5 N/A - 141179B Handle Yes (blue) No Int. ø 2.5 mm 5 N/A - 141180B Handle Yes (green) No Int. ø 3.5 mm (3.1 µl) 5 N/A - 141181B Handle Yes (red) No Int. ø 5.5 mm (5.45 µl) 5 N/A - 141182 Handle Yes Yes Int. ø 1.45 mm (1 µl) 5 N/A - 141183 Handle Yes Yes Int. ø 4 mm (10 µl) 5 N/A - 141184 Needle - - - 1 N/A - 141177 Handle - - L = 15 cm 1 N/A - 141178 Handle - - L = 20 cm 1 N/A - Cat. No. Description € 076265 Inoculating loop 1.5 mm diameter N/A - 076266 Inoculating loop 2.5 mm diameter N/A - 076267 Inoculating loop 4.5 mm diameter N/A - Cat. No. Description € 042846 Calibrated Inoculating loop without handle 1 µl N/A - 042847 Calibrated Inoculating loop without handle 10 µl N/A - Cat. No. Description € 068651 Irradiated platinum loop ø 3 mm (supplied without the handle, compatible handles: 042850 and 042849, see below) N/A - 068655 Nickel-chromium loop ø 3 mm N/A - Cat. No. Description € 25 units 042842 Inoculating loop without handle ø 2 mm - 26 Ga N/A - 042843 Inoculating loop without handle ø 3 mm - 26 Ga N/A - 042844 Inoculating loop without handle ø 4 mm - 26 Ga N/A - 042845 Inoculating loop without handle ø 5 mm - 26 Ga N/A - Cat. No. Description € 042852 Calibration gauge for 1 µl loop N/A - 042853 Calibration gauge for 10 µl loop N/A - Cat. No. Description € 042848 Aluminium loop holder - length 150 mm N/A - 042849 Aluminium loop holder - length 175 mm N/A - 042850 Brass loop holder - length 150 mm N/A - 042851 Brass loop holder - length 175 mm N/A - Cat. No. Diameter (mm) Type Length (mm) € 5 units 042854 2 26 Ga 200 N/A - 042855 3 26 Ga 200 N/A - 042856 4 26 Ga 200 N/A - 042857 5 26 Ga 200 N/A - hCalibrated handles supplied with calibration certificate (ASM/APHA Evans Blue Dye test protocols)

Analysis and measurements 273 All prices are indicative and exclude VAT. Visit www.dulis.nl Polystyrene Inoculating loops Length (mm) 194 Packaging unit 20 1 Units/box 7000 2000 Inoculating loop 1 µl 483047 483049 €/box N/A - N/A - Inoculating loop 10 µl 483048 483050 €/box N/A - N/A - Wheaton® Inoculating loops hIn polystyrene hSmooth head hRigid handle hSterilised with ethylene oxide hIn peelable bag of 20 Cat. No. Volume (µl) Colour Length (mm) Pack* unit. Units/ box €/ box 055777 10 Green 172 1000 6000 N/A - 055775 1 Transparent 170 1000 6000 N/A - 055774 10 Blue 199 1000 6000 N/A - 055776 1 Blue 199 1000 6000 N/A - * In peelable bag of 20. The system allows the replication of bacterial colonies using the "velvet replication" technique. For 90 mm dishes. The system includes: • a 52 mm high PVC base; • a 100% cotton velveteen square (152 x 152 mm); • a locking aluminium ring secures the velveteen on the cylinder. h Petriturn-M Features hPowerful device with a long life thanks to the large mass of the turntable hCan be used on both sides for optimum ease of use with Petri dishes ø 100 and 150 mm hSize: 160 x 70 mm hWeight: approx. 2.3 kg h Petriturn-E Features hStainless steel device, it operates with an electric motor and a sensor for contactless operation of the turntable hUsed for uniform liquid agar surfaces in Petri dishes hUsed for Petri dishes up to 100 mm in diameter (150 mm as an option and other diameters available on request) hTurns at a speed of 10 to 100 rpm, continuously adjustable for periods of 3 sec to 2 min or permanently hOption: connection of a pedal hSize: 160 x 170 mm hWeight: approx. 1 kg hDuration of use: 3 s – 2 min / non-stop Petriturn-E Petriturn-M 150598 150599 Accessories for Petri dishes Petriturn-E and Petriturn-M turntables for Petri dishes Replicator for Petri dishes Cat.No Description € 085884 Replicator (base + ring) with 12 sterile velvet squares N/A - 085885 Sterile velvet squares (3 bags of 12) N/A - Cat. No. Description € 150594 Electrical Petriturn-E 230 V N/A - 150595 Manual Petriturn-M N/A - 150596 Pedal for Petriturn-E N/A - 150597 Petri dish holder up to 150 mm N/A - 150598 Stainless steel Inoculating loop 180 mm N/A - 150599 Glass Inoculating loop 145 mm N/A -

Analysis and measurements 274 Sterile, L-shaped spreader with curved end to avoid scratching the surface of the culture medium. Packed individually or in bags of 5. Diameter: 3 mm. Blue or white. Sterile T-shaped spreader. Packed individually, by 5 or by 10. hSingle-use spreaders hL-shape with curved end hIn polystyrene or ABS hSmooth surface hL x W x ø: 146 x 38 x 4 mm hPacked individually or by 10 010178 / 010177 Microbiology / Spreaders L-shaped sterile white or blue spreaders T-shaped spreaders Sterile L-shape green or orange spreaders hIn polystyrene Sterile L-shaped spreaders Length (mm) 148 Cat. No. 483045 Packaging unit 5 Units/box 2400 €/box N/A - Cat. No. 483046 Packaging unit 1 Units/box 2000 €/box N/A - Wheaton® Spreaders hSmooth L-shape hSterile Cat. No. Description Pack unit. Units/ box €/ box 055779 L-shaped spreaders 5 500 N/A - For spreading bacteria on Petri dishes. hStainless steel hAutoclavable hFlame sterilisable hLength: 302 mm hTwo widths: 16 or 25 mm Dimensions: 172 x 37 x 14 mm. Easy to handle. Sterile Sterile rake shape spreaders Stainless steel Spreaders Cat. No. Colour Rake length Units/ bag Units/ box €/ box 999060B White 35 mm 1 400 N/A - 999059B White 35 mm 5 400 N/A - 042820 Blue 33 mm 1 500 N/A - 042821 Blue 34 mm 5 1000 N/A - Cat. No. Colour Material Units/ bag Units/ box €/ box 037616 Green ABS 10 500 N/A - 010178 Orange PS 10 500 N/A - 010177 Orange PS 1 500 N/A - PS: polystyrene ABS: acrylonitrile butadiene styrene Cat. No. Shape Rake length Units/ bag Units/ box €/ box 042822 T-shape 35 mm 1 500 N/A - 042823 T-shape 35 mm 5 1000 N/A - 042824 T-shape 34 mm 10 1000 N/A - Cat. No. Description Packaging unit € 500 units 037877 Sterile spreaders 1 N/A - Cat. No. Description € 085968 Stainless steel spreader 16 mm wide N/A - 085969 Stainless steel spreader 25 mm wide N/A -

Analysis and measurements 275 All prices are indicative and exclude VAT. Visit www.dulis.nl Stirring rod hIn soda-lime or borosilicate glass hDiameter: 8 mm, lenght: 250 mm hWith an embossed inner surface for a better grip on objects hSterile, single pack Microbiology / Stirring spatulas / clamps / picks Dual function spatulas: • stirring spatula at one end (30 x 7 mm); • Inoculating rod at the other (38 x 1 mm). Total length: 150 mm. Thickness: 7 mm. hGlass hL x W x ø: 145 x 50 x 5 mm hFor a uniform distribution of biological material Drigalski spatulas Dual stirring spatula Sterile sampling clamp hWooden picks h3 sizes h100 % Certified for food contact 711952 711953 711954 h3 lengths: 32.5 mm, 63.5 mm and 152.4 mm h32.5 mm version suitable for 1.5 ml tubes h2 tip sizes: 1.6 mm (bevelled) and 0.4 mm (needle point) hAutoclavable Cat. No. Length (mm) ø tip (mm) Units/ box €/ box 320058 32.5 1.6 2000 N/A - 320059 32.5 0.4 2000 N/A - 320060 63.5 1.6 1500 N/A - 320061 63.5 0.4 1500 N/A - 320062 152.4 1.6 500 N/A - 320063 152.4 0.4 500 N/A - Picks SmartPicks wooden picks Cat. No. Length (mm) ø (mm) Number of tips Units/ box €/ box 046002 80 1.8 2 100 N/A - 046003 80 1.8 2 1000 N/A - 046098 68 1.8 2 1000 N/A - 534804 65 2 1 800 N/A - Wooden toothpick Cat. No. Description € 140605 Drigalski Spatula 145 x 50 mm N/A - Cat. No. Description Units/ bag Units/ box €/ box 999065 Sterile shaker - Inoculating loop 5 1000 N/A - Cat. No. Description Length (mm) Units/ box €/ box 085931 Sampling clamps 108 25 N/A - Cat. No. Description € 673329 Soda-lime glass stirring rod N/A - 673330 Borosilicate glass stirring rod N/A - Cat. No. Description Units/ box €/ box 711952 1-Tip pick, 66 mm 1000 N/A - 711953 2-Tip pick, 68 mm 1000 N/A - 711954 2-Tip pick, 80 mm 1000 N/A -

Analysis and measurements 276 hWooden hSmooth contact hRounded ends hNon-sterile, single use hWooden rod 046027 Cat.No Description Dimensions (mm) Units/ box €/ box 046009 Wooden tongue depressor 150 x 18 100 N/A - 534801 Wooden tongue depressor ECO 150 x 18 x 2.2 100 N/A - 534802 Wooden tongue depressor ECO single pack 180 x 21 x 2.35 100 N/A - Microbiology / Picks / Swabs Cat. No. Number of heads Rod size Ø x W (mm) Ø head (mm) Units/ box €/ box 046027 2 2.2 x 80 6 100 N/A - For endocervical sampling. Intact sampling Sterile brush swab for cell sampling, chlamydia testing, Papanicolaou collection, STD sampling, etc. hUp to 70 times more effective than a traditional swab hSterile in individual packaging hLength: 20 cm Tongue depressor Cotton buds Histobrush swabs Nasopharyngeal swabs hRod material: ABS hTotal length: 150 mm hDiameter: 2.5 mm hBreaking height: 82.5 mm hFlocked nylon tip hWidth: 3 mm hThickness: 3 mm hLength: 16 mm hSterile hCE and FDA hSingle pack Dry swabs Swabs with medium Cat. No. Description Units/ box €/ box 011990 Swab in peelable bag 100 N/A - Cat. No. Description Units/ box €/ box 010233 10 ml tube with 3 ml transport medium - preservation 500 N/A - 010234 10 ml tube with 3 ml preservation medium - virus inactivation 500 N/A - DNase RNase Human DNA Pyrogenic Rod Material ABS Length (mm) 153 Ø (mm) 2.5 Breakable (mm) 100 Tip Material Nylon Ø (mm) 3 Medium volume (ml) 3 hTreated with ethylene oxide hTested for use in PCR hWooden rod, cotton tip hDelivered with DNA analysis certificate Cat.No Description Pack unit. Units/ box €/ box 020467A Certified PCR DNA collection swabs 100 100 N/A - hLaminated paper rod hMini cotton tip diameter 1.5 mm hGamma irradiation with Sal 10-6 Cat. No. Description Units/ box €/ box 039027B Cotton swabs, paper rod, sterile tube 250 N/A - Swab for DNA sampling Swabs for fine sampling Cat. No. Description € 100 units 252188 Histobruch sterile swabs N/A -

Analysis and measurements 277 All prices are indicative and exclude VAT. Visit www.dulis.nl Microbiology / Swabs Wooden or polypropylene rod. With one or two cotton tips. With plastic or wooden rod. 020305 020307 020310 020311 020317 020312 020313 020314 020315 020411 020412 020413 020414 hSwabs delivered in a plastic tube with marking label hPackaged in bags of 100 or 500 hAvailable with wooden, plastic, aluminium or paper rods and synthetic or natural tip hSterile h Sterile polypropylene (the cap Cat.No. 930753 is made of polyethylene) hRound bottom, skirted hProtect the sample from contamination hA cotton swab is attached to the cap (ideal for sampling) hSilicone gasket for a perfect seal hTested 95 kPa Sterile swabs with wooden shaft and cotton tip, in transparent polystyrene tube. Sterile swabs in transparent polystyrene tube Cotton tip swabs Polyurethane head swabs Gynobrush sampling brush Vials with swab Plastic tube swabs Non-sterile sampling brush. 4 models: • Gynobrush: length 20 cm; • Gynobrush Plus: length 20 cm, soft plastic end tip; • Gynobrush Special: length 20 cm, triangular-shaped tip; • Gynobrush Combi: length 24 cm, with two usable sides (sampling brush and Ayres sampling spatula), tip finished with soft plastic. Cat. No. Volume (mL) Pack unit Units/ box €/ box 930752 5 100 500 N/A - 930753 10 50 500 N/A - Cat.No Rod Rod length (mm) Tip Pack unit. Units/ box €/ box 020312 Wood 150 Fine 100 100 N/A - 020313B Polypropylene 150 Large 25 25 N/A - 020314 Wood 150 Large 25 100 N/A - 020315A Polypropylene* 150 Large flexible 25 25 N/A - * Swab with 2 tips Cat.No Rod Rod size L x ø (mm) Tip size L x ø (mm) Pack unit. Units/ box €/ box 020305 Wood 400 x 4 50-60 x 15-20 100 100 N/A - 020306 Wood 500 x 4 50-60 x 15-20 100 100 N/A - 020307 Wood 200 x 3 25-30 x 5 100 100 N/A - 020308 Wood 250 x 3 25-30 x 5 100 100 N/A - 020309 Wood 300 x 3 25-30 x 5 100 100 N/A - 020310 Polypropylene* 80 x 2.5 12 x 4-5 100 2000 N/A - 020311 Wood* 80 x 2.5 12 x 4-5 100 2000 N/A - 020317 Wood 230 x 2.2 12 x 4-5 100 1000 N/A - 390696A Wood 150 x 2 Width 5 mm 20 100 N/A - 390580 Wood 150 x 2 Width 5 mm 1 5000 N/A - 390696 Wood 150 x 2 Width 5 mm 1 10000 N/A - * Swab with 2 tips Cat. No. Description € 100 units 020411 Gynobrush sampling brush N/A - 020412 Gynobrush Plus sampling brush N/A - 020413 Gynobrush Special sampling brush N/A - Cat. No. Tube size (mm) Pack unit Units/ box €/ box 421180 16 x 150 1 700 N/A - 421161 16 x 150 1000 1000 N/A - 420180 16 x 110 1 700 N/A - 420161 16 x 110 1000 1300 N/A - Cat. No. Rod material Tip material Colour code Units/ bag Units/ box €/ box 020060 Wood Hydrophile Cotton Red 500 500 N/A - 020060COP Wood Hydrophile Cotton Red 100 100 N/A - 020061 Wood Carded cotton Violet 500 500 N/A - 020063 Plastic Hydrophile Cotton Red 500 500 N/A - 042864 Plastic Viscose Blue 500 500 N/A - 042811 Plastic Dacron Red 100 1000 N/A - 042812 Aluminium Synthetic Orange 100 1000 N/A - 042814 Aluminium Dacron Yellow 100 1000 N/A - 042870 Aluminium Viscose Orange 500 500 N/A - 042896* Plastic Synthetic White 50 500 N/A - 042817 Aluminium Synthetic Blue 500 1000 N/A - * Double swab

Analysis and measurements 278 Microbiology / Swabs Stick material Plastic Plastic Tip material Rayon Polyester Sterile Yes Tube Polypropylene, 12 x 150 mm Transport media Stuart Stuart and charcoal Amies Amies and charcoal Cary blair Virus Chlamydia Cat. No. 390108 390109 390110 390111 390112 390113 390114 Packaging unit 100 100 100 100 50 25 25 Units/box 600 600 600 600 500 250 250 €/box N/A - N/A - N/A - N/A - N/A - N/A - N/A - Rod material Wood Plastic Wood Plastic Aluminium Flexible twisted aluminium Tip material Cotton Cotton Cotton Rayon Rayon Rayon Sterile Yes Transport tube No No Yes (12 x 150 mm) Cat. No. 390102 390103 390104 390105 390106 390107 Packaging unit 500 100 100 100 100 100 Units/box 5000 2000 1000 1000 1000 1000 €/box N/A - N/A - N/A - N/A - N/A - N/A - Sampling swabs Swabs with transport medium

Analysis and measurements 279 All prices are indicative and exclude VAT. Visit www.dulis.nl Cuvettes for spectrophotometers Single-use cuvettes for UV - visible with double optical path: 10 mm or 2 mm. For use on the Eppendorf Biophotometer. hRack or individual packaging hMeasure: 220 to 1600 nm hVolume: 50 to 2000 µl hBeam height: 8.5 mm hL x W x H: 12.5 x 12.5 x 36 mm Single-use cuvettes, in two types of materials: • polystyrene (PS): wavelength 340 to 900 nm; • PMMA: wavelength 300 to 900 nm. hOptical path: 10 mm hPackaged in a polystyrene box hSingle-use cuvettes hExternal dimensions: 12.5 x 12.5 x 45 mm hOptical path: 10 mm hSupplied in a resealable polystyrene box of 100 cuvettes Adapters for other brands of photometers The Uvettes® Eppendorf can be used on most photometers with an adapter. hSingle-use cuvettes hMeasurements in the range 300 to 900 nm hLight beam height: 8.5 - 15 mm hIdeal for colorimetric protein assays, OD600, kinetic measures (Macro Cell) and fluorescence Cat.No Description Volume min. (µl) Volume max. (µl) Dim. (mm) Units/ box €/ box 933027 Macro cuvette 1000 4500 12.5 x 12.5 x 45 1000 N/A - 933028 Semi-micro cuvette 400 3000 12.5 x 12.5 x 45 1000 N/A - Cat. No. Vol. (ml) Number of windows Type Material Spectral range (nm) € 100 units 030101 1.6 2 Semi micro PS 340/900 N/A - 030108 1.6 2 Semi micro PMMA 300/900 N/A - 030100 4 2 Macro PS 340/900 N/A - 030111 4 2 Macro PMMA 300/900 N/A - Single-use spectrophotometer cuvettes ClearLine® Ratiolab single-use spectrophotometer cuvettes UVETTE spectrophotometer cuvettes Eppendorf® Vis Cuvettes Polypropylene caps for cuvettes. Cap for cuvettes Cat. No. Vol. (ml) Number of windows Type Material Spectral range (nm) € 100 units 030101R 1.6 2 Semi micro PS 340/900 N/A - 030108R 1.6 2 Semi micro PMMA 300/900 N/A - 030109 1.6 2 Semi micro Resin* 340/900 N/A - 030100R 4 2 Macro PS 340/900 N/A - 030111R 4 2 Macro PMMA 300/900 N/A - 030112 4 2 Macro Resin* 340/900 N/A - * solvent resistant resin: check compatibility (see guide on www.dulis.nl) For reading in the visible For UV reading (220 to 900 nm) Special plastic resin. Cat. No. Vol. (ml) € 100 units 030105 1.6 N/A - 030106 4 N/A - Cat. No. Description € 1000 units 391101 Cap for cuvettes N/A - Cat. No. Description Units/ box €/ box 033189 Uvette® Eppendorf individual packaging 80 N/A - 033952 Uvette® Eppendorf on rack 2 packs of 100 N/A - Cat. No. For photometers € 033337 Beam height 8.5 mm N/A - 033338 Beam height 10 mm N/A - 033339 Beam height 15 mm N/A - 033340 Beam height 20 mm (Varian Cary 50 compatible) N/A - 033344 GeneQuant I and II N/A -

Analysis and measurements 280 Cuvettes for spectrophotometers hCuvettes with 2 windows, with or without PTFE lid hMacro, Semi Macro, Micro and Ultra micro cuvettes depending on volume hWindow materials to be selected according to wavelength: optical glass (OG), special optical glass (OS), quartz Suprasil® (QS), quartz Suprasil® 300 (QX) Window materials and colour codes Wavelength Optical glass OG 360 nm – 2500 nm Special optical glass OS 320 nm – 2500 nm Quartz SUPRASIL® QS 200 nm – 2500 nm Quartz SUPRASIL® 300 QX 200 nm – 3500 nm Glass Quartz SUPRASIL® QS Quartz SUPRASIL® 300 QX Hellma model Optical path (mm) Vol. (ml) H x W x L ext. (mm) W int. (mm) Base/ bottom thickness (mm) Cat.No € The cuvette Cat.No € The cuvette Cat.No € The cuvette Standard cuvettes without lid 6030 10 3.5 45 x 12.5 x 12.5 9.5 1.5 139065A N/A - 139066A N/A - - - 6030 20 7 45 x 12.5 x 22.5 9.5 1.5 - - - - - - 6030 40 14 45 x 12.5 x 42.5 9.5 1.5 139063A N/A - - - - - High precision cuvettes with PTFE lid 100 1 0.35 45 x 12.5 x 3.5 9.5 1.5 - - 139072A N/A - 139143 N/A - 100 2 0.7 45 x 12.5 x 4.5 9.5 1.5 - - 139101A N/A - 139110 N/A - 100 5 1.75 45 x 12.5 x 7.5 9.5 1.5 - - 139148 N/A - 856264 N/A - 100 10 3.5 45 x 12.5 x 12.5 9.5 1.5 139000A N/A - 139001A N/A - 139141 N/A - 100 20 7 45 x 12.5 x 22.5 9.5 1.5 - - 139144 N/A - - - 100 40 14 45 x 12.5 x 42.5 9.5 1.5 - - 139146 N/A - - - 100 50 17.5 45 x 12.5 x 52.5 9.5 1.5 - - 139108A N/A - 856267 N/A - 100 100 35 45 x 12.5 x 102.5 9.5 1.5 - - 139105 N/A - 856268 N/A - High precision cuvettes with PTFE cap 110 1 0.35 52 x 12.5 x 3.5 9.5 1.5 - - 139079A N/A - 856269 N/A - 110 2 0.7 52 x 12.5 x 4.5 9.5 1.5 - - 139080A N/A - - - 110 5 1.75 46 x 12.5 x 7.5 9.5 1.5 - - 139166 N/A - - - 110 10 3.5 46 x 12.5 x 12.5 9.5 1.5 - - 139016A N/A - 139161 N/A - 110 20 7 46 x 12.5 x 22.5 9.5 1.5 - - 139163 N/A - - - 110 50 17.5 46 x 12.5 x 52.5 9.5 1.5 - - - - - - Semi-micro cuvettes 104 5 0.7 45 x 12.5 x 7.5 4 3.2 - - 139151 N/A - - - 104 10 1.4 45 x 12.5 x 12.5 4 3.2 - - 139004A N/A - - - 104 50 7 45 x 12.5 x 52.5 4 3.2 139149 N/A - 139150 N/A - - - 104B 10 1.4 45 x 12.5 x 12.5 4 3.2 - - 139010A N/A - - - 108 10 1 45 x 12.5 x 12.5 4 9 - - 139034A N/A - - - 114 10 1.4 46 x 12.5 x 12.5 4 3.2 - - 139018A N/A - - - 114B 10 1.4 46 x 12.5 x 12.5 4 Black walls / 3.2 - - 139020A N/A - - - Micro cuvettes 104.002 10 0.7 45 x 12.5 x 12.5 2 3.2 - - 139006A N/A - - - 104002B 10 0.7 45 x 12.5 x 12.5 2 Black walls / 3.2 139007A N/A - 139008A N/A - - - 105 10 0.3 25 x 12.5 x 12.5 2 1.5 - - 139011A N/A - - - 108.002 10 0.5 45 x 12.5 x 12.5 2 9 - - 139035A N/A - - - 108002B 10 0.5 45 x 12.5 x 12.5 2 Black walls / 9 - - 139061A N/A - - - 115 10 0.4 40 x 12.5 x 12.5 2 1.25 - - 139021A N/A - - - 115B 10 0.4 40 x 12.5 x 12.5 2 Black walls / 1.25 - - 139022A N/A - - - * Sold by 2, price for 2 cuvettes Cat. No. Description € 139076 9 mm spacer for 1 mm cell N/A - 139077 8 mm spacer for 2 mm cell N/A - 139078 5 mm spacer for 5 mm cell N/A - Spacer for 1.2 and 5 mm cells 139073 139000A 139015A 139003A 139005A 139001A 139016A 139004A 139008A 139018A 139035A 139141 139161 139011A 139020A 139021A Hellma Cuvettes for absorption spectroscopy

Analysis and measurements 281 All prices are indicative and exclude VAT. Visit www.dulis.nl Accessory High quality cuvettes for all spectrophotometers, in polystyrene or acrylic. Polystyrene (PS) al lows 75% to 80% transmission of light energy from 780 nm to 380 nm, 70% at 340 nm. Acrylic (AC) is UV transmissive and allows 50% of light energy to be transmitted up to 280 nm. Cuvettes for spectrophotometers Hellma spectrophotometer cuvettes (continued) Hellmanex cleaning solution Disposable cuvettes for high precision spectrophotometers hCompatible with Eppendorf biophotometers, Genova spectrophotometers and Jenway Series 67 hOD reading for micro volume of samples: 0.7 to 10 µl hNucleic acids (6 to 8.5 ng/µl dsDNA) hFluorescence hProteins (0.1 to 100 mg/ml) hUV/visible reading from 190 to 1100 nm hExcellent reproducibility hBuilt-in optical fibre hDelivered in a box with: - 2 caps: optical path 1 mm and 0.2 mm; - 2 adapters: beam heights 15 mm and 20 mm; - screwdriver for positioning the adapters Ultra micro TrayCell Cell Dim L x W x H (mm) 12.5 x 12.5 x 68.5 Window Quartz suprasil Beam height (mm) 8.5 Sealing Epoxy glue Max temperature ( °C) 50 Cat. No. 139071 € N/A - Instructions for use: 1)Place the TrayCell in the cell holder 2) Place the sample on the window 3)Place the cap 4) Perform the reading 5)Clean the window and the cap: the trayCell is ready for a new reading! Cap Mirror Optical path Window Prism Beam Source Detector Helma cleaning solution for cleaning spectroscopy cuvettes. Use diluted to 10%. Cat. No. Description Units/ box €/ box 064011 Polyethylene cap for cell 500 N/A - Cat.No Material Volume (ml) Transp. walls Skirt Units/ Tray Units/ box €/ box 064005 PS 1 4 Yes 100 500 N/A - 064006 AC 1 4 Yes 100 500 N/A - 064007 PS 4 2 No 100 500 N/A - 064008 PS 4 4 No 100 500 N/A - 064009 AC 4 2 No 100 500 N/A - 064010 AC 4 4 No 100 500 N/A - Cat. No. For photometers € 139057 Hellmanex cleaning solution - 1 litre N/A - Quartaz QS Model Hellma Optical path Volume (mL) Hext. x Wext. x Wint. fenêtre (mm) Number of windows Base/ bottom thickness (mm) Cat.No € The cuvette High precision fluorescence cuvettes - Volume 1 to 3.5 ml - High precision QS quartz quality - External dimensions 45 x 12.5 x 12.5 mm. Models 101 and 104F: macro and semi-micro cuvettes with PTFE cap, 4 windows - Model 114F: semi-micro cuvettes with PTFE cap, 4 windows. 101 10 x 10 mm 3.5 45 x 12.5 x 10 4 - 139024 N/A - 114F 10 x 4 mm 1.4 46 x 12.5 x 4 4 1.25 139030 N/A - 108.002F 10 x 2 mm 0.5 45 x 12.5 x 2 4 9 139032 N/A - Z = 8.5 Z = 15 Model Hellma Optical path Sample volume/ Total volume (µl) Hext. (mm) Window (mm) Cat.No € The cuvette Cat.No € The cuvette QS high precision ultra-micro cuvettes - High precision QS quartz quality - External dimensions 45 x 12.5 x 12.5 mm. 105.200QS 10 mm 160 / 180 45 8 x 2 139038 N/A - - - 105.201QS 10 mm 100 / 120 45 5 x 2 139055 N/A - 139037 N/A - 105.202QS 10 mm 50 / 70 45 2.5 x 2 139041 N/A - 139036 N/A - 105.210QS10 10 mm 5 / 10 40 ø 8 139040 N/A - 139064 N/A -

Analysis and measurements 282 10 mm optical path. In PS or PMMA. The 1000 cuvettes are delivered in 10 box of 100 cuvettes of the same mould number. UV visible cuvettes Caps for Micro cuvettes For the Micro models, coloured caps allow the cuvettes to be sealed and their contents to be preserved. hDesigned for DNA and sDNA, RNA measurements at 260 and 280 nm hTwo different beam heights hSorted by mould number hTwo optical sides h10 mm light path Cuvettes for spectrophotometers Brand spectrophotometer cuvettes UV visible cuvettes Greiner Bio-One disposable polystyrene cuvettes for all standard spectrophotometers. A polystyrene cap covers the box, which can be closed neatly. Microcuvette Macrocuvette Volume (ml) 2 4 Material Polystyrene Polystyrene W x H ext. (mm) 12.3 x 45 12.5 x 45 Units/box 100 100 Cat. No. 613101 614101 €/ box N/A - N/A - hHigh quality hCan be used from 340 to 800 nm hIn boxes of 100 Greiner Bio-One cuvettes hIn polystyrene or PMMA hOptical Polystyrene: usable from 340 to 800 nm hPMMA: usable from 280 to 800 nm hOptical path: 10 mm hAdaptable cap for round opening (Cat.No. 080151) N° 1 N° 2 N° 3 N° 4 Capacity (ml) 1.5 2.5 4.5 4.5 Type Semi-micro Semi-micro 4 optical sides Macro Opening Round Round Square Square Shape Low High Standard Standard Photo no 3 2 1 4 Polystyrene cuvettes 391095 391096 391001 391094 €/ the box of 100 N/A - N/A - N/A - N/A - PMMA cuvettes 391099 391098 391002 391097 €/ the box of 100 N/A - N/A - N/A - N/A - Single-use cuvettes for spectrophotometers Cat.No Description Material Volume min. (ml) Volume max. (ml) Dimensions window (mm) Wavelengths €/ 10 x 100 090283 Macro cuvette PS 2.5 4.5 10 x 35 Sup 340 nm N/A - 090284 Semi-micro cuvette PS 1.5 3 4.5 x 23 Sup 340 nm N/A - 090286 Macro cuvette PMMA 2.5 4.5 10 x 35 Sup 300 nm N/A - 090287 Semi-micro cuvette PMMA 1.5 3 4.5 x 23 Sup 300 nm N/A - Cat.No Description Height beam Volume min. Volume max. Dimensions window (mm) Wavelengths Units/ box €/ box 090266 UltraVette micro 8.5 mm 70 µl 850 µl 2 x 3.5 220 to 900 nm 100 N/A - 090267 UltraVette micro 8.5 mm 70 µl 850 µl 2 x 3.5 220 to 900 nm 500 N/A - 090268 UltraVette micro 15 mm 70 µl 550 µl 2 x 3.5 220 to 900 nm 100 N/A - 090269 UltraVette micro 15 mm 70 µl 550 µl 2 x 3.5 220 to 900 nm 500 N/A - 090271 UltraVette Semi-micro - 1.5 ml 3 ml 4.5 x 23 220 to 900 nm 100 N/A - 090272 UltraVette Macro - 2.5 ml 4.5 ml 10 x 35 220 to 900 nm 100 N/A - Cat.No Colour Material € 100 units 090273 Blue PE N/A - 090274 Yellow PE N/A - 090280 Green PE N/A - 090281 Orange PE N/A -

Analysis and measurements 283 All prices are indicative and exclude VAT. Visit www.dulis.nl Cuvettes for spectrophotometers and accessories Autoclavable polypropylene racks for 12.5 x 12.5 mm cuvettes 045869 045870 Cat. No. Description L x W x H (mm) € 045869 Rack with handle for 12 cuvettes 114 x 111 x 111 N/A - 045870 Graduated low rack for 20 cuvettes 209 x 70 x 35 N/A - 090282 Rack for 16 cuvettes NC N/A - ABS rack for 24 cuvettes Racks for spectrophotometer cuvettes 090282 hIn single-use polystyrene hL x ø: 120 x 3 mm Stirring spatulas for cuvettes Standards for spectrophotometry hAvailable as a sealed cuvette or as a solution in a bottle hNIST-connected certificate Control of the ratio between the peak value at 268.7 nm and the trough value at 266.8 nm. Complies with the European Pharmacopoeia. Control of absorbance measurement for different wavelengths in the UV (linearity of response). Complies with the European Pharmacopoeia. Complies with the European Pharmacopoeia. Stray light control. Complies with the European Pharmacopoeia. Controls the absence of wavelength shift. Complies with the European Pharmacopoeia. Bandwidth standard Resolution standard for derivative spectrophotometry Baseline standard Wavelength standard from 240 to 640 nm (certified for bandwidths of 0.1 nm, 0.2 nm, 0.5 nm, 1 nm and 2 nm) Absorbance/transmission and linearity standard in UV (235, 257, 313 and 350 nm) Cat.No Description € 440689 Sealed UV cuvettes, bandwidth standard and Blank N/A - 440690 Bandwidth standard solution 100 ml N/A - 440691 Blank solution for bandwidth calibration 100 ml N/A - Cat.No Description € 440698 Sealed UV cuvettes, resolution standard and blank N/A - 440699 Resolution standard solution N/A - 440704 Blank solution (methanol) for resolution calibration N/A - Cat.No Description € 440705 Sealed UV cuvettes, resolution standard and blank N/A - 440706 Baseline standard solution N/A - 440707 Blank solution (water) for baseline calibration N/A - Cat.No Description € 440708 Sealed UV cuvette, Wavelength Standard from 240 to 640 nm N/A - 440709 Wavelength standard solution from 240 to 640 nm - 12 x 5 ml N/A - Cat.No Description € 440692 Sealed UV cuvettes, absorbance standard (potassium dichromate 60 mg/l) and blank N/A - 440693 Absorbance Standard solution (potassium dichromate 60 mg/l) 100 ml N/A - 440694 Absorbance standard solution (0.005 M sulphuric acid) 100 ml N/A - 440695 Sealed UV cuvettes, absorbance standard (potassium dichromate 600 mg/l) and blank N/A - 440696 Absorbance Standard solution (potassium dichromate 600 mg/l) 100 ml N/A - 440697 Absorbance standard solution (0.005M sulphuric acid) 100 ml N/A - hABS Stacking rack hWhite with alphanumeric marking Cat. No. Description € 39186082 Rack for 24 cuvettes N/A - Cat. No. Description € 500 units 091416B Stirring spatula for cuvettes N/A - hL x W x H: 250 x 54 x 37 mm

Analysis and measurements 284 Standard quality Silver quality Edges 2-sided frosted surface Colour Cat.No € the box of 2500 Cat.No € the box of 2500 Cut No - 390998 N/A - 390997 N/A - Cut Yes - 395000 N/A - 390999 N/A - Ground 45° No - 395002 N/A - 395001 N/A - Ground 45° Yes - - - 395003 N/A - Ground 45° Yes Orange - - 395004 N/A - Ground 45° Yes Light blue - - 395005 N/A - Ground 45° Yes White - - 395006 N/A - Ground 45° Yes Yellow - - 395007 N/A - Ground 45° Yes Pink - - 395008 N/A - Ground 45° Yes Green - - 395009 N/A - hGlass slides, degreased, washed, polished, ready to use hDimensions: 26 x 76 mm hThickness: 1 mm hIn ordinary glass or extra white glass which improves transparency and microscope viewing hPacked in boxes of 50 hISO 8037/1 Certified hParticularly recommended for analysis of blood, urine, tissue samples and other biological fluids, in vitro diagnostics hThickness: 0.13 - 0.17 mm hClear glass hParticularly recommended for analysis of blood, urine, tissue samples and other biological fluids, in vitro diagnostics hDim.: 26 x 76 x 1-1.2 mm hThickness: 1.1 ± 0.1 mm hClear glass hStandard quality: with paper between the different slides hSilver quality: no paper between the slides Economy Slides- Standard, washed, ready-to-use Slides. 100043 100044 Models in borosilicate glass - thickness N°1: 0.13 to 0.17 mm hColourless, very low iron content hRefractive index suitable for microscopy Economic models - thickness N°1: 0.13 to 0.17 mm Histology / slides Glass Coverslips Slides Coverslips Microscope slides, large packaging Cat. No. Dimensions (mm) Units/ box €/ box 390989 18 x 18 2000 N/A - 390990 20 x 20 2000 N/A - 390991 22 x 22 2000 N/A - 390992 24 x 24 2000 N/A - 390993 24 x 32 1000 N/A - 390994 24 x 40 1000 N/A - 390995 24 x 50 1000 N/A - 390996 24 x 60 1000 N/A - Standar quality Quality silver Cat. No. Dimensions (mm) € 1000 units Cat. No. Dimensions (mm) € 1000 units 100030N 18 x 18 N/A - 100037N 24 x 40 N/A - 100031N 20 x 20 N/A - 100038N 24 x 50 N/A - 100032N 22 x 22 N/A - 100039N 24 x 60 N/A - 100353N 22 x 26 N/A - 100045N ø 10 N/A - 100034N 22 x 32 N/A - 100040N ø 12 N/A - 100033N 24 x 24 N/A - 100354N ø 15 N/A - 100035N 24 x 32 N/A - - - - Edges 2-sided frosted surface Cat. No. € the box of 50 Cut No 068762 N/A - Cut Yes 068763 N/A - Ground 90° No 068764 N/A - Ground 90° Yes 068765 N/A - Standard glass Extra white glass Edges Frosted area Cat. No. € the box of 50 Cat. No. € the box of 50 Cut No 100000 N/A - 100253 N/A - Cut Yes 100001 N/A - 100254 N/A - Ground 90° No 100002 N/A - 100255 N/A - Ground 90° Yes 100245 N/A - 100256 N/A - Ground 45° No 100246 N/A - 100257 N/A - Ground 45° Yes 100003 N/A - 100258 N/A - Cat. No. Dimensions (mm) € 1000 units Cat. No. Dimensions (mm) € 1000 units 100030 18 x 18 N/A - 100049 25 x 40 N/A - 100031 20 x 20 N/A - 100268 25 x 50 N/A - 100032 22 x 22 N/A - 100269 25 x 60 N/A - 100265 22 x 30 N/A - 100047 25 x 70 N/A - 100034 22 x 32 N/A - 100045 ø 10 N/A - 100046 22 x 40 N/A - 100040 ø 12 N/A - 100266 22 x 50 N/A - 100048 ø 13 N/A - 100267 22 x 60 N/A - 100041 ø 14 N/A - 100033 24 x 24 N/A - 140540 ø 18 N/A - 100035 24 x 32 N/A - 140539 ø 20 N/A - 100036 24 x 36 N/A - 140541 ø 22 N/A - 100037 24 x 40 N/A - 140542 ø 24 N/A - 100038 24 x 50 N/A - 140499 ø 25 N/A - 100039 24 x 60 N/A - 100042 ø 28 N/A - 100043 24 x 67 N/A - 100044 ø 30 N/A -

Analysis and measurements 285 All prices are indicative and exclude VAT. Visit www.dulis.nl Histology / slides hFlux: surface plastic film (188 µm thick), for high resolution confocal microscopy hFor cell adhesion hResistant Sterile coverslips Cat. No. Ø (mm) For plate Units/ box €/ box 330169 9 48 wells 200 N/A - 330164 12 24 wells 200 N/A - 330165 18 12 wells 200 N/A - 330170 25 6 wells 200 N/A - DNase RNase Human DNA Cytotoxin Pyrogenic Edge White Yellow Blue Pink Green Orange € the box of 50 Cut 100204 100204J 100204B 100204R 100204 V 100204O N/A - Ground 90° 100205 100205J 100205B 100205R 100205 V 100205O N/A - Ground 45° 100206 100206J 100206B 100206RS 100206 V 100206O N/A - Bevelled ground 100283 100284 100287 100285 100286 100288 N/A - Edge White Yellow Blue Pink Green € the box of 50 Cut 100204M 100204MJ 100204MB 100204MR 100204 MV N/A - Ground 90° 100205M - - - - N/A - Ground 45° 100206M 100206MJ 100206BM 100206MR 100206 MV N/A - hHigh-definition object slides made of white hydrophilic glass hHigh transparency for improved microscope viewing hColoured identification area for easy identification of the slide hDimensions: 26 x 76 mm, thickness: 1 mm hAvailable with CE and IVD marking, please specify when ordering hSoda-lime glass hDimensions: 26 x 76 mm, thickness: 1 mm Cut edge 45° ground edge 90° ground edge Ground edge bevelled SuperFrost Plus Gold slide Slide for in situ hybridization, immunocytochemistry, special stains. Special super-adhesion: A special manufacturing technology gives these slides an adhesion that allows tissue fixation without spray or fixative. Instructions for use: leave the slide at room temperature for one minute before applying the tissue, as the fixing power increases with time. Compatible with toluidine blue, hematoxylin, eosin. hTissues are covalently fixed ESCO SuperFrost Plus slide hSuper-attachment by positive charge hGuaranteed dust and grease-free hAdhesion of frozen samples and cytological preparations to the slide hNo spray, no fixative required hNo dye residues hL x W (mm): 75 x 25 mm hMarking surface ESCO Polysine Microscopy Slide Special for Molecular biology. Due to its electrostatic properties, the polysin slide has an optimal adhesion to all tissues and cells. Inert to chemicals, heating and enzymatic pre-digestion. Nuclease-free, ideal for DNA hybridisation. hL x W (mm): 75 x 25 mm StarFrost glass slides SuperFrost glass slides Superfrost Plus specific treatment slides, Polysine Cat. No. Description Units/ box €/ box 045795 Superfrost slide Plus Gold 72 N/A - 045796 Superfrost slide Plus ESCO 72 N/A - 045797 ESCO Polysine Microscopy Slide 72 N/A -

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