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.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| 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 |