1 Scope
This standard specifies the method for determining the total content and extractable content of nine elements - lead (Pb), cadmium (Cd), nickel (Ni), chromium (Cr), cobalt (Co), copper (Cu), stibium (Sb), arsenic (As) and mercury (Hg) - in the leather and fur.
This standard is applicable to various leathers, furs and their derived products.
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, all parties coming to an agreement 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 applies.
GB/T 3922 Textiles - Testing Method for Color Fastness to Perspiration (GB/T 3922-1995, eqv ISO 105-E04:1994)
GB/T 6682 Water for Analytical Laboratory Use - Specification and Test Methods (GB/T 6682-2008, ISO 3696:1987, MOD)
QB/T 1267 Finished Fur Products - Position and Marking of Sample Piece
QB/T 1272 Finished Fur Products - Preparation of Chemical Analysis Sample and General Rules for Chemical Analysis
QB/T 1273 Finished Fur Products - Determination of Volatile Content
QB/T 2706 Leather - Chemical, Physical and Mechanical and Fastness Tests - Sampling Location (QB/T 2706 - 2005, ISO 2418: 2002, MOD)
QB/T 2716 Leather - Preparation of Chemical Test Samples (QB/T 2716 - 2005, ISO 4044:1977, MOD)
QB/T 2717 Leather - Chemical Test - Determination of Volatile
3 Principle
Foreword i
1 Scope
2 Normative References
3 Principle
4 Reagents and Materials
5 Apparatus
6 Sample Preparation
7 Test Procedure
8 Expression of Results
9 Test Report
Appendix A (Informative) Method Detection Limit and Recovery Rate
