This standard specifies a method for the determination of 7 polychlorinated biphenyls residues in dyestuff products using gas chromatograph - Mass spectrometry (GC/MS). Applicable to all categories of dyestuff products. The standard describes the detailed steps for sample extraction, purification, condensation and assay, including Sample Handling using dichloromethane and a solid phase extraction column. The accuracy of the test results is ensured by GC/MS analysis, and standard methods and operating procedures for the detection of PCBs are provided.
| Status | Active |
|---|---|
| CCS | G55 | ICS | 71.100.01;87.060.10 |
| Release Date | 2020-11-19 00:00:00 | Implementation Date | 2021-10-01 00:00:00 |