Standard No.:	GB/T 13531.1-2008
English Name:	General methods on determination of cosmetics—Determination of pH
Chinese Name:	化妆品通用检验方法 pH值的测定
Chinese Classification:	Y42    Cosmetics
Professional Classification:	GB    National Standard
ICS Classification:	71.100.70 71.100.70    Cosmetics. Toiletries 71.100.70
Issued by:	AQSIQ; SAC
Issued on:	2008-12-28
Implemented on:	2009-6-1
Status:	valid
Superseding:	GB/T 13531.1-2000 General methods on determination of cosmetics--Determination of pH
Language:	English
File Format:	PDF
Word Count:	1000 words
Price(USD):	70.0
Delivery:	via email in 1 business day

1 Scope This part of GB/T 13531 specifies the method on determination of cosmetics' pH. This part is applicable to determination of cosmetics' pH. 2 Normative References The following documents contain provisions which, through reference in this part of GB/T 13531, constitute provisions of this part. For dated reference, subsequent amendments to (excluding amending errors in the part) to, or revisions of, any of these publications do not be applied. However, the parties whose enter into agreement according to these specifications are encouraged to research the latest editions of these references are applied or not. For any undated references, the latest edition of the document referred to applies. GB/T 6682 "Water for Analytical Laboratory Use--Specification and Test Methods" (GB/T 6682-2008, ISO 3696: 1987, MOD)

Contents Foreword I 1 Scope 2 Normative References 3 Principle 4 Reagent 5 Apparatus 6 Analysis Procedures 7 Expression of Analysis Results 8 Precision