Standard No.:	GB/T 20387-2006
English Name:	Textiles―Determination of the content of polychlorinated biphenyls (PCBs)
Chinese Name:	纺织品 多氯联苯的测定
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:	2006-05-25
Implemented on:	2006-12-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	2000 words
Translation Price(USD):	174.0
Delivery:	via email in 1 business day

1 Scope This Standard specifies a determination method for the polychlorinated biphenyl (see Appendix A) residual quantity in textile products with gas chromatograph-mass selection detector (GC-MSD). This Standard is applicable to textile products. 2 Principle Extract the polychlorinated biphenyl which might remain on the test sample in ultrasonic bath with normal hexane; determinate with gas chromatograph equipped with mass selection detector (GC-MSD), confirm by selective ion detection, and quantitate with external standard method. 3 Reagents and Materials