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	1.	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. [electronic resource] by Matong, Joseph M Nyaba, Luthando Nomngongo, Philiswa N Producer: 20170119 In: Ecotoxicology and environmental safety vol. 135 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Fractionation of trace elements in agricultural soils using ultrasound assisted sequential extraction prior to inductively coupled plasma mass spectrometric determination. [electronic resource] by Matong, Joseph M Nyaba, Luthando Nomngongo, Philiswa N Producer: 20161223 In: Chemosphere vol. 154 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Speciation of inorganic selenium in environmental samples after suspended dispersive solid phase microextraction combined with inductively coupled plasma spectrometric determination. [electronic resource] by Nyaba, Luthando Matong, Joseph M Dimpe, K Mogolodi Nomngongo, Philiswa N Producer: 20180123 In: Talanta vol. 159 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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