This document specifies the reagents and materials, instruments and equipment, determination procedures, result calculation, precision, detection limit and limit of quantitation for the determination of quaternary ammonium salts in disinfectants by liquid chromatography-tandem mass spectrometry. This document applies to dodecyldimethylbenzylammonium chloride (C12-BAC), tetradecyldimethylbenzylammonium chloride (C14 BAC), hexadecyldimethylbenzylammonium Ammonium Chloride (C16-BAC), Didecyl Dimethyl Ammonium Chloride (DDAC), Dodecyl Trimethyl Ammonium Bromide (DTAB), Dodecyl Dimethyl 2-Phenoxy- Determination of ethyl ammonium bromide (EDDAB).
GB/T 39873-2021 Referenced Document
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 39873-2021 history
2021GB/T 39873-2021 Determination of quaternary ammonium salt in disinfectant—Liquid chromatography-tandem mass spectrometry