作者：陈江, 杨晓红, 叶敏, 何晔波, 张海宾

作者单位：湖州市环境监测中心站, 浙江 湖州 313000

关键词：LiCl; ICP-OES法; 铅; 锰; 原子线; 离子线

摘要：

为研究光谱载体LiCl对ICP-OES法测定Pb、Mn的影响,通过测定在不同LiCl浓度、射频功率、观测高度、载气流量和进样量条件下谱线MnⅠ279.482 nm,MnⅠ403.075 nm,MnⅡ257.610 nm,MnⅡ259.372 nm,PbⅠ217.000 nm,PbⅠ283.306 nm,PbⅡ220.353 nm的净强度,得到了各谱线灵敏度的影响规律。证明LiCl是ICP-OES法测定Pb、Mn的良好光谱载体,LiCl增敏ICP-OES法测定地表水中Pb、Mn是可行的。

Impact of spectrum carrier lithium chloride on determining lead and manganese by ICP-OES

CHEN Jiang, YANG Xiao-hong, YE Min, HE Ye-bo, ZHANG Hai-bin

Huzhou Environmental Monitoring Center, Huzhou 313000, China

Abstract: In order to study the impact of spectrum carrier LiCl on determining lead and manganese by ICP-OES, the law of spectrum sensitivity changes was obtained by determining the spectrum net intensity of MnⅠ279.482 nm, MnⅠ403.075 nm, MnⅡ257.610 nm, MnⅡ259.372 nm, PbⅠ217.000 nm, PbⅠ283.306 nm and PbⅡ220.353 nm in different conditions. The conditions were obtained through changing the concentration of LiCl, RF Power, observation height, the flow of carrier gas and injection volume. LiCl was proved to be good spectrum carrier for determining lead and manganese by ICP-OES. It was proved to be feasible for determining lead and manganese in water with Lithium chloride as sensitizer by ICP-OES.

Keywords: LiCl; ICP-OES; Lead; Manganese; Atomic line; Ion line

2010, 36(2): 41-43  收稿日期: 2009-7-30;收到修改稿日期: 2009-10-17

基金项目: 浙江省科技厅重点科研社会发展项目(2006C23070)

作者简介: 陈江(1980-),男,浙江湖州市人,工程师,主要从事环境监测工作。

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