The determination of chromium, copper and nickel in groundwater using axial plasma inductively coupled plasma atomic emission spectrometry and proportional correction matrix effect reduction

被引:18
作者
de Boer, JLM [1 ]
van Leeuwen, W [1 ]
Kohlmeyer, U [1 ]
Breugem, PM [1 ]
机构
[1] RIVM, NL-3720 BA Bilthoven, Netherlands
来源
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1998年 / 360卷 / 02期
关键词
Matrix Effect; Groundwater Sample; Emission Spectrometry; Plasma Atomic Emission; Correction Procedure;
D O I
10.1007/s002160050677
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The performance of a proportional correction matrix effect reduction procedure was investigated for an axially viewed inductively coupled plasma. It was shown that the proportional correction factor (ratio of analyte matrix effect and internal standard matrix effect) was sufficiently stable over the investigated matrix element concentration ranges (0-2000 mg/L of Na and 0-400 mg/L of Ca) for the procedure to be successful. Proportional correction results in the best correction for matrix effects compared to the classical 1 : 1 intensity ratio correction procedure or the approach without any correction, as was shown in recovery experiments using analyte spiked groundwater samples. Matrix effects as high as 18% without correction were reduced to less than 4% applying proportional correction.
引用
收藏
页码:213 / 218
页数:6
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