Determination of copper content in soils and ores by laser-induced breakdown spectrometry


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It is demonstrated that the method of laser-induced breakdown spectrometry can be applied for quantitative determination of the copper content at a level of 500–40000 g/t, typical for copper ores and soil in the outcrop areas. To avoid the self-absorption of the resonance copper lines, we studied the most intense nonresonant lines of copper atoms and ions. It is shown that the Cu I 521.82-nm line is rather intense and provides the linear calibration. The copper detection limit for this line of 280 g/t allows its use for rapid mapping of outcrop areas.

Sobre autores

T. Labutin

Moscow State University

Autor responsável pela correspondência
Email: timurla@laser.chem.msu.ru
Rússia, Moscow, 119234

A. Popov

Moscow State University

Email: timurla@laser.chem.msu.ru
Rússia, Moscow, 119234

S. Zaytsev

Moscow State University

Email: timurla@laser.chem.msu.ru
Rússia, Moscow, 119234

I. Cal’ko

Moscow State University

Email: timurla@laser.chem.msu.ru
Rússia, Moscow, 119234

N. Zorov

Moscow State University

Email: timurla@laser.chem.msu.ru
Rússia, Moscow, 119234

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