GB/T 23349-2020 Active National standards

GB/T 23349-2020 Determination of arsenic,cadmium,chromium,lead and mercury contents for fertilizers

Publish Date: 2020-11-19 Implement Date: 2021-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 23349-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Fertilizers and pesticides

ICS Name: Fertilizer

Publish Date: 2020-11-19

Implement Date: 2021-06-01

Pages: 15 pages

Scope

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.