Standard Number: HJ 1005-2018(HJ1005-2018)
Chinese:环境空气 降水中阳离子（Na+、NH4+、K+、Mg2+、Ca2+）的测定 离子色谱法
English:Ambient air Determination of cations (Na+, NH4+, K+, Mg2+, Ca2+) in precipitation Ion Chromatography
Effective Date:2019-06-01
Standard Applicability:This standard applies to the determination of five cations (Na+, NH4+, K+, Mg2+, Ca2+) in precipitation.
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