Electro-thermal atomic-absorption determination of copper in mineral waters

doi:10.26565/2220-637X-2012-21-25

A. V. Chuenko
A. V. Lataeva
L. B. Solodova
E. M. Nikipelova
E. M. Koeva
K. A. Koeva
A. V. Dobrynin

DOI: https://doi.org/10.26565/2220-637X-2012-21-25

Keywords: copper, electro-thermal atomic-absorption, mineral waters, metrological control

Abstract

The results of electro-thermal atomic-absorption determination of copper in mineral waters with salinity up to 360 g/dm³ are provided. The metrological control of method is carried out and the possibility of its application in the analysis of mineral waters is confirmed. The results of the analysis obtained by direct atomic-absorption determination of copper and the method of standard additions of highly mineralized waters were compared. The detection limit of copper is 0.0006 mg/dm³ with a relative error of 3 - 5% and the percentage measure of the cor-rectness of 98.9%.

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