This standard specifies a method for the determination of seven plant growth regulators in fertilizers by GC-MS. Methods cover from acetone extraction samples to gas chromatograph separation and mass spectrometry detection, qualitative and quantitative analysis by reference material mass spectrometry and quantitative External standard methods.
| Status | Active |
|---|---|
| CCS | G20 | ICS | 65.080 |
| Release Date | 2023-08-06 00:00:00 | Implementation Date | 2024-03-01 00:00:00 |