Standard No.:	QB/T 2724-2005
English Name:	Leather -- chemical test -- Determination of ph
Chinese Name:	皮革 化学试验 pH的测定
Chinese Classification:	Y45    Leather processing and products in general
Professional Classification:	QB    Professional Standard - Light Industry
ICS Classification:	59.14 59.14    Leather technology 59.14
Issued by:	NDRC
Issued on:	2005-3-19
Implemented on:	2005-9-1
Status:	superseded
Superseded by:	QB/T 2724-2018 Leather - Chemical tests - Determination of pH
Superseded on:	2019-7-1
Language:	English
File Format:	PDF
Word Count:	2500 words
Price(USD):	264.0
Delivery:	via email in 1 business day

1 Scope This standard specifies determination method of pH value and difference figure for leather aqueous extract. This standard is applicable to various leathers. 2 Normative References The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrigendum), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies. GB/T 6682-1992 Water for Laboratory Use; Specifications QB/T 2706-2005 Leather - Chemical Physical and Mechanical and Fastness Tests - Sampling Location QB/T 2716-2005 Leather - Preparation of Chemical Test Samples (ISO 4044: 1977, MOD) 3 Terms and Definitions