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Akademický článek

Determination of As, Cr, Mo, Sb, Se and V in agricultural soil samples by inductively coupled plasma optical emission spectrometry after simple and rapid solvent extraction using choline chloride-oxalic acid deep eutectic solvent.

Autor: Matong JM; Department of Applied Chemistry, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Johannesburg 2028, South Africa., Nyaba L; Department of Applied Chemistry, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Johannesburg 2028, South Africa., Nomngongo PN; Department of Applied Chemistry, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Johannesburg 2028, South Africa. Electronic address: pnnomngongo@uj.ac.za.

Publikováno v: Ecotoxicology and environmental safety [Ecotoxicol Environ Saf] 2017 Jan; Vol. 135, pp. 152-157. Date of Electronic Publication: 2016 Oct 11.

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Akademický článek

Speciation of inorganic selenium in environmental samples after suspended dispersive solid phase microextraction combined with inductively coupled plasma spectrometric determination.

Autor: Nyaba L; Department of Applied Chemistry, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Johannesburg 2028, South Africa., Matong JM; Department of Applied Chemistry, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Johannesburg 2028, South Africa., Dimpe KM; Department of Applied Chemistry, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Johannesburg 2028, South Africa., Nomngongo PN; Department of Applied Chemistry, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Johannesburg 2028, South Africa. Electronic address: pnnomngongo@uj.ac.za.

Publikováno v: Talanta [Talanta] 2016 Oct 01; Vol. 159, pp. 174-180. Date of Electronic Publication: 2016 Jun 14.

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Akademický článek

Fractionation of trace elements in agricultural soils using ultrasound assisted sequential extraction prior to inductively coupled plasma mass spectrometric determination.

Autor: Matong JM; Department of Applied Chemistry, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Johannesburg, 2028, South Africa., Nyaba L; Department of Applied Chemistry, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Johannesburg, 2028, South Africa., Nomngongo PN; Department of Applied Chemistry, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Johannesburg, 2028, South Africa. Electronic address: pnnomngongo@uj.ac.za.

Publikováno v: Chemosphere [Chemosphere] 2016 Jul; Vol. 154, pp. 249-257. Date of Electronic Publication: 2016 Apr 06.

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