Determination of mercury by cold-vapor atomic absorption spectrometry with preconcentration on a gold-trap

被引:130
作者
Kopysc, E [1 ]
Pyrzynska, K [1 ]
Garbos, S [1 ]
Bulska, E [1 ]
机构
[1] Univ Warsaw, Dept Chem, PL-02093 Warsaw, Poland
关键词
D O I
10.2116/analsci.16.1309
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The determination of trace levels of mercury by flow injection cold-vapor atomic absorption spectrometry with gold amalgamation was evaluated for organic and inorganic mercury species. The effect of the sodium tetrahydroborate(III) and hydrochloric acid concentrations as well as various instrumental parameters on the analytical performance was studied. The influence of the blank as well as the laboratory procedure for reagent purification was evaluated. The procedure was applied to the determination of mercury in lake water, while focusing on the importance of the sampling protocols.
引用
收藏
页码:1309 / 1312
页数:4
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