Standard No.:	HJ 1269-2022
English Name:	Soil and sediment-Determination of methyl mercury and ethyl mercury -Purge and trap/gas chromatography - cold vapor atomic fluorescence spectrometry
Chinese Name:	土壤和沉积物 甲基汞和乙基汞的测定 吹扫捕集/气相色谱-冷原子荧光光谱法
Professional Classification:	HJ    Professional Standard - Environment
Source Content Issued by:	MEE
Issued on:	2022-12-12
Implemented on:	2023-6-15
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	6500 words
Translation Price(USD):	195.0
Delivery:	via email in 1~3 business day

本标准规定了测定土壤和沉积物中甲基汞和乙基汞的吹扫捕集/气相色谱-冷原子荧光光谱法。
本标准适用于土壤和沉积物中甲基汞和乙基汞的测定。
取样量为 0.5 g，提取液体积为 30 ml 时，甲基汞和乙基汞的方法检出限均为 0.2 μg/kg，测定下限均为 0.8 μg/kg。详见附录 A。