1 Scope
This part of GB/T 17593 specifies the method for determining the eight extractable heavy metal elements i.e. cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), nickel (Ni), lead (Pb), stibium (Sb) and zinc (Zn) in textiles with graphite furnace or flame atomic absorption spectrophotometer.
This part is applicable to textile materials and their derived products.
2 Normative References
The following documents contain provisions which, through reference in this part of GB/T 17593, constitute provisions of this part. For dated reference, subsequent amendments (excluding corrected content) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this part are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document 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 6682-1992, neq ISO 3696: 1987)
3 Principle
Foreword i
1 Scope
2 Normative References
3 Principle
4 Reagents and Materials
5 Apparatus
6 Analytical Procedures
7 Calculation of Result
8 Determination of Lower Limit and Precision
9 Test Report
Appendix A (Informative) Graphite Furnace (Transverse Heated Platform Tube) Parameters and Matrix Modifiers