TUTDoR

Ngobeni, P.

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Date: 2015/02/04
Language: en
Type: Text
Identifier: tut:3314
Description: A method for speciation of vanadium in solid samples was developed for quantification of vanadium(+5) in solid samples of sediment Certified Reference Materials (CRM) PACS-2 and MESS-3 (Trace Elements ... More
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Date: 2010-04-09
Type: Text
Identifier: tut:1526
Description: Matrix solid-phase dispersion and gas chromatography-mass spectrometry were used for the rapid screening of 36 pesticides in agricultural products. Homogenized sample (0.5 g), C8-modified silica (0.5 ... More
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Date: 2006-11-24
Type: Text
Identifier: tut:1404
Description: The level of the generation of hexavalent chromium during ferrochrome productionwas checked. The concentration of Cr(VI) increases with each stage of ferrochrome production, 7070 g g−1 being the highe ... More
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Date: 2006-09-04
Type: Text
Identifier: tut:1407
Description: The distribution of vanadium(V) species between soil and plants around the vanadium mine have been studied. The mine dam spilled water around this area after collapsing some time ago. V(V) species wer ... More
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Date: 2006-03-17
Type: Text
Identifier: tut:1403
Description: The impact of a chromium smelter on pollution was evaluated by determining Cr(VI) in topsoil, grass and tree bark by electhrothermal atomic absorption spectrometry (ETAAS). It was found that bark refl ... More
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Date: 2003-04-30
Type: Text
Identifier: tut:1413
Description: A transverse heated filter atomizer (THFA) was applied to the direct determination of Cd and Pb in urine, and its analytical performances were investigated using a PerkinElmer SIMAA 6000 atomic absorp ... More
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