USE OF THE SIMPLIFIED GENERALIZED STANDARD ADDITIONS METHOD FOR CALIBRATION IN SOLID SAMPLING ELECTROTHERMAL VAPORIZATION INDUCTIVELY-COUPLED PLASMA-ATOMIC EMISSION-SPECTROMETRY

被引：16
作者：
BOONEN, S
VERREPT, P
MOENS, LJ
DAMS, RFJ
机构：
[1] Laboratory of Analytical Chemistry, Institute for Nuclear Sciences, University Gent, B-9000
来源：
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY | 1993年 / 8卷 / 05期
关键词：
INDUCTIVELY COUPLED PLASMA ATOMIC EMISSION SPECTROMETRY; ELECTROTHERMAL VAPORIZATION; SOLID SAMPLES; CALIBRATION; STANDARD ADDITIONS;
D O I：
10.1039/ja9930800711
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
To find a useful calibration strategy for the direct analysis of solid samples by electrothermal vaporization inductively coupled plasma atomic emission spectrometry (ETV-ICP-AES), the simplified generalized standard additions method was investigated. This method leads, by varying both the mass of the solid sample and the amount of analyte (standard solution) added, to a response surface from which the analyte concentration can be deducted by multiple linear regression. The analytical results obtained for Cu, Pb and Cd determinations in a number of biological and environmental reference materials are in good agreement with the certified values. The number of data points required to yield precise results (typical RSD<10%) depends on the sample homogeneity.
引用
收藏
页码：711 / 714
页数：4
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