PotentialNeutralizing Agents/Method

Interfering Substance

Sodium hydrogen sulfite (Sodium bisulfite)

Glutaraldehyde, mercurials

Dilution

PHenolics, alcohol, aldehydes, sorbate

Glycine

Aldehydes

Lecithin

Quaternary ammonium compounds (QACs), parahydroxybenzoates (parabens), bis-biguanides

Polysorbate

QACs, iodine, parabens

Thioglycollate

Mercurials

Thiosulfate

Mercurials, halogens, aldehydes

Mg or Ca ions

EDTA (edetate)

Neutralizing Agent

Disinfectant

Dilution or polysorbate 80

Alcohols

Glycine and sodium bisulfite

Glutaraldehyde

Sodium thiosulfate

Sodium hypochlorite

PotentialNeutralizing Agents/Method

Interfering Substance

Polysorbate 80 and lecithin

Chlorhexidine

Thioglycolic acid

Mercuric chloride and other mercurials

Polysorbate 80 and lecithin

Quaternary ammonium compounds

Dilution or polysorbate 80 and lecithin

PHenolic compounds