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The neutraliser mixture is added to the pre-enrichment medium whenever the presence of disinfectant solution is known or suspected.
Sodium thiosulphate neutralises oxidising compounds (chlorine and hypochlorites, iodine, hydrogen peroxide, peracetic acid, etc.).
Lecithin and polysorbate (Tween® 80) neutralise quaternary ammoniums, fatty amines, amphoteric compounds, phenolic compounds and derivatives (orthophenol, phenylethanol, phenoxyethanol, triclosan), biguanides and similar compounds and alcohols.
L-histidine neutralizes aldehydes.
• Storage 15 - 25 °C
Formula in g/l:
• Sodium thiosulphate, 5 H2O: 5
• Fatty acid condensates: 5
• Lecithin: 3
• L-Histidine HCL: 1
• Saponin: 30
• Tween® 80: 30
