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

Standard No.

GB/T 23349-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 23349-2020

Replace

GB/T 23349-2009

Scope

This standard specifies methods for the determination of arsenic, cadmium, chromium, lead and mercury content in fertilizers. This standard is applicable to the determination of arsenic, cadmium, chromium, lead and mercury content in fertilizers. The detection limits of this standard method are: arsenic: 0.8 mg/kg for silver diethyldithiocarbamate spectrophotometry, 0.1 μg/kg for atomic fluorescence spectrometry, 0.4 mg/kg for cadmium, and 0.1 mg/kg for chromium. kg, lead is 1 mg/kg, mercury: hydride generation atomic absorption spectrophotometry is 0.1 mg/kg, and atomic fluorescence spectrometry is 0.05 μg/kg.

GB/T 23349-2020 Referenced Document

• HG/T 2843 Chemical fertilezer products-standard volumetrie,standard,reagent and indicator solutions for chemical analysis
• NY/T 1978-2010 Fertilizers-Determination of mercury, arsenic, cadmium, lead and chromium content

GB/T 23349-2020 history

• 2020 GB/T 23349-2020 Determination of arsenic,cadmium,chromium,lead and mercury contents for fertilizers
• 2009 GB/T 23349-2009 Ecological index of arsenic,cadmium,lead,chromium and mercury for fertilizers