QB/T 5833-2023Oral cleaning and care products - Determination of six chlorophenol preservatives in toothpaste, p-chloro-m-cresol, hexachlorophene, dichlorophen, bromochlorophene, benzylchlorophene, and chloroxylenol - HPLC (English PDF)

QB/T 5833-2023 is the English-translated version of 口腔清洁护理用品 牙膏中p-氯-m-甲酚、六氯酚、双氯酚、溴氯芬、苄氯酚、氯二甲酚6种氯酚类防腐剂含量的测定 高效液相色谱法.

QB/T 5833-2023 — This standard specifies the high-performance liquid chromatography method for the determination of six chlorophenols: p-chloro-m-cresol, hexachlorophenol, dichlorophenol, bromoclofen, benzylchlorophenol and chloroxylenol in toothpaste and other oral care products.

Preservative reagents, instruments and equipment, analysis steps, result calculation, detection concentration and quantitative concentration, recovery rate and precision, and allowable differences.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 9 pages — is available in the English PDF.

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