The standard "GB/T 14550-2003 Gas chromatography, CG for the determination of HCH and DDT in soil" provides a method for the determination of organochlorine pesticide HCH and DDT residues in soil samples. The standard is suitable for the detection of these pesticide residues in soil. The method involves extracting soil samples using organic solvents, undergoing liquid-liquid distribution and purification treatment, and then analyzing them using Gas chromatography, CG and Electron capture detector, OECD. Retention time of Chromatogram for qualitative analysis and quantitative determination using External standard method.
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 | Z18 | ICS | 13.080 |
| Release Date | 2003-11-10 00:00:00 | Implementation Date | 2004-04-01 00:00:00 |