Standard No.:	GB/T 30157-2013
English Name:	Textiles - Determination of Total Content of Lead and Cadmium
Chinese Name:	纺织品 总铅和总镉含量的测定
Chinese Classification:	W04    Basic standards and general methods
Professional Classification:	GB    National Standard
ICS Classification:	59.080.01 59.080.01     Textiles in general 59.080.01
Source Content Issued by:	AQSIQ;SAC
Issued on:	2013-12-17
Implemented on:	2014-10-15
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	80.0
Delivery:	via email in 1 business day

1 Scope This Standard specifies determination methods for total content of lead and cadmium in textile products. This Standard is applicable to various textile products. 2 Normative References The following document is essential for the application of this document. For dated reference, only the edition cited applies. For undated reference, the latest edition (including any amendments) applies. GB/T 6682 Water for Analytical Laboratory Use - Specification and Test Methods 3 Principle After the specimen is digested with concentrated acid and the digested solution is diluted and scaled to the volume, emission intensity of lead and cadmium is determined with inductively coupled plasma emission spectrometer (ICP-AES) under appropriate conditions; by comparison of standard work curves, concentration of various metal ions is determined and total amount of heavy metal in the specimen is calculated. 4 Reagents and Materials

Foreword I 1 Scope 2 Normative References 3 Principle 4 Reagents and Materials 5 Apparatuses 6 Analysis Steps 7 Calculation of Results 8 Determination of Lower Limit and Precision 9 Test Report Appendix A (Informative) Pretreatment Method for Accessories and Decoration Components of Textile Products Appendix B (Informative) Operating Conditions of ICP Spectrometer