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固相萃取/液相色谱-原子荧光法测定地表水中的甲基汞

刘静 王俊伟

四川环境2017,Vol.36Issue(5):24-28,5.
四川环境2017,Vol.36Issue(5):24-28,5.

固相萃取/液相色谱-原子荧光法测定地表水中的甲基汞

Determination of Methyl Mercury in Water by SPE-LC-AFS with Solid-Solid Extraction

刘静 1王俊伟2

作者信息

  • 1. 四川省环境保护科学研究院,成都610041
  • 2. 四川省环境监测总站,成都 610091
  • 折叠

摘要

Abstract

Methyl mercury is a metallo-organic compound which is toxic and strongly carcinogenic,the toxicity of which is much higherthan any other inorganic mercury.Any form of mercury (metallic mercury,inorganic divalent mercury,and mercury alkyl etc) can convert to toxic methyl mercury under certain condition in the environment.Using solid phase extraction column enrichment,methyl mercury in the surface water were detected by liquid chromatography atomic fluorescence spectroscopy (SPE-LC-AFS),through the optimization of current lamp,peristaltic pump speed,current-carrying hydrochloric acid content,carrier gas flow,oxidant and reductant amount,the method has advantages of little interference,easy to operate,accurate,reliable,and practicable.

关键词

甲基汞/固相萃取/液相色谱/原子荧光光谱

Key words

Methyl mercury/solid-solid extraction/liquid chromatography/atomic fluorescence spectroscopy

分类

资源环境

引用本文复制引用

刘静,王俊伟..固相萃取/液相色谱-原子荧光法测定地表水中的甲基汞[J].四川环境,2017,36(5):24-28,5.

基金项目

国家水体污染控制与治理科技重大专项课题(2012ZX07104-003). (2012ZX07104-003)

四川环境

OACSTPCD

1001-3644

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