GB/T 23349-2020 Active
GB/T 23349-2020 Determination of arsenic,cadmium,chromium,lead and mercury contents for fertilizers
Abstract
This standard specifies the determination methods for the content of arsenic, cadmium, chromium, lead, and mercury in fertilizers.
This standard is applicable to the determination of the content of arsenic, cadmium, chromium, lead, and mercury in fertilizers.
The detection limits of the methods in this standard are as follows: for arsenic, the silver diethyl dithiocarbamate spectrophotometry method is 0.8 mg/kg, and the atomic fluorescence spectrometry method is 0.1 μg/kg; for cadmium, it is 0.4 mg/kg; for chromium, it is 0.1 mg/kg; for lead, it is 1 mg/kg; and for mercury, the hydride generation atomic absorption spectrometry method is 0.1 mg/kg, and the atomic fluorescence spectrometry method is 0.05 μg/kg.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 23349-2020 |
| CCS | Fertilizers and pesticides |
| ICS | Fertilizer |
| Implement Date | 2021-06-01 |