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
GB/T 20387-2006 The following standards are cited: