GB/T 35950-2018: Determination of Inorganic Sulfites and Bisulfites in Cosmetics

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Scope

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.
Note: The user selects titration or ion chromatography according to the
configuration of the instrument. If the results are inconsistent, the ion
chromatography method will prevail.
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.

Basic Data

Standard ID	GB/T 35950-2018 (GB/T35950-2018)
Description (Translated English)	Determination of Inorganic Sulfites and Bisulfites in Cosmetics
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Y42
Classification of International Standard	71.100.70
Word Count Estimation	10,148
Date of Issue	2018-02-06
Date of Implementation	2018-09-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration