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GB/T 35950-2018 English PDF (GBT35950-2018)

GB/T 35950-2018 English PDF (GBT35950-2018)

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GB/T 35950-2018: Determination of inorganic sulfites and bisulfites in cosmetics
This Standard specifies the reagents and materials, instruments and apparatuses, analysis steps, result calculation, recovery and precision, allowable difference and the like of titration and ion chromatography of the determination of sulfites and bisulfites in cosmetics. This Standard applies to the determination of sulfites and bisulfites in cosmetics. For the contents of sulfites and bisulfites, the quantitation-limit of titration in this Standard is 50 mg/kg; the detection-limit of ion chromatography is 2 mg/kg, and the quantitation-limit is 10 mg/kg.

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