碳酸钙共沉淀原子吸收法测定天然水中锶  

Determination of Trace Strontium in Natural Water by Air-acetylene Flame AAS after Concentration by CaCO_3 Coprecipitation

作　　者：卢治平[1] 

机构地区：[1]华东地质学院地科系

出　　处：《广东微量元素科学》1995年第8期29-31,共3页Trace Elements Science

摘　　要：采用ＣａＣＯ３共沉淀富集天然水中痕量锶后，再用空气－乙炔焰原子吸收法测定，使方法灵敏度提高一个数量级．本法简便、准确，最低检出限达０．００１２ｍｇ／Ｌ．对０．１０ｍｇ／Ｌ的锶水样，十次测定的标准偏差为０．００８２，相对标准偏差为８．２％。In this paper method of determining trace strontium in natural water by air-acetylene flame AAS after concentration by CaCO3 coprecipitation. is suggested. This method is simple, precise and high sensitivity. The detection limit is 0.0012 mg/L. Standard deviration is 0. 0082 with respect of the water sample with 0. 10 mg/L of Sr. Variance coefficient is 8. 2%

关 键 词：碳酸钙共沉淀原子吸收法 空气-乙缺焰原子吸收法 锶 天然水 水卫生 

分 类 号：R123.1[医药卫生—环境卫生学]