Determination of copper, lead, cadmium, zinc, and iron in calcium fluoride and other fluoride-containing samples by means of direct solid sampling GF-AAS

被引：0

作者：

W. Schrön

A. Detcheva

B. Dreßler

K. Danzer

机构：

[1] Friedrich Schiller University,

[2] Dept. Inorganic and Analytical Chemistry,undefined

[3] D-07743 Jena,undefined

[4] Germany,undefined

[5] Bulgarian Acad. Science,undefined

[6] Inst. General and Inorganic Chemistry,undefined

[7] BG-1113 Sofia,undefined

[8] Bulgaria,undefined

来源：

Fresenius' Journal of Analytical Chemistry | 1998年 / 361卷

关键词：

Graphite; Cadmium; Reference Material; Matrix Effect; Reliable Analysis;

D O I：

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中图分类号：

学科分类号：

摘要：

Direct solid sampling graphite furnace AAS (SS-GF-AAS) provides an advantageous alternative to the conventional AAS which requires wet digestion of the samples. This method is suitable for trace element determination in calcium fluoride and other fluoride-containing samples. Matrix effects were studied by using calibration standards, certified reference materials with different matrices and by means of three-dimensional calibration. 3D calibration is suitable for selection of calibration samples for more reliable analyses. Cu, Pb, Cd, Zn, and Fe were determined by means of calibration with variation of sample weight using certified reference materials and suitable fluoride-containing calibration samples.

引用

页码：106 / 109

页数：3