Solid Sampling in Analysis of Soils by Two-jet Plasma Atomic Emission Spectrometry

Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry
Natalia P Zaksas, Alexander F Veryaskin

Abstract

The possibility of direct analysis of soils by two-jet plasma atomic emission spectrometry was investigated using certified reference materials of black earth, grey desert and red soils. It was shown that As, B, Cd, Cu, Hg, P, and V could be determined after a 2-fold, and Be, Co, Cr, Ga, Nb, Pb, and Zn-after a 10-fold dilution of the samples by a spectroscopic buffer using calibration samples based on graphite powder. The strongest matrix effects were revealed for red soil having the highest Al and Fe concentration, which led to the overstated concentrations of some elements. The overstating factor depended on analyte concentration and was no more than 2. A clear advantage of the suggested technique over existing methods is the simple sample preparation process, which requires no reagents except a spectroscopic buffer, and possibility of using the same calibration samples for analysis of different soils.

References

Jan 1, 2008·Environmental Monitoring and Assessment·R A KarimM S H Mubin
Apr 17, 2008·Analytical and Bioanalytical Chemistry·Natalia P ZaksasVladimir A Gerasimov
Dec 1, 2009·Journal of Hazardous Materials·Trajce StafilovLyudmila P Strelkova
Jan 8, 2014·Journal of Hazardous Materials·Nanthi BolanKirk Scheckel
May 21, 2014·Talanta·Rajneet Kour SoodanJatinder Kaur Katnoria

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