Speciation of chromium in soils near Sheba Leather Industry, Wukro Ethiopia

Speciation of chromium in soils near Sheba Leather Industry, Wukro Ethiopia

A study on speciation of chromium in soils near Sheba Leather Industry was performed by Flame Atomic Absorption (FAAS) after selective extraction of Cr(VI) using the EPA 3060A method, and oxidizing the Cr(III) residue in the soils with HNO3 and H2O2. The extraction method was evaluated using the spi...

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Veröffentlicht in:Talanta (Oxford) 2013-11, Vol.116, p.626-629
Hauptverfasser: Gitet, Hintsa, Subramanian, P.A., Minilu, Daniel, Kiros, Teame, Hilawie, Masho, Gebremariam, Gebremedhin, Taye, Kebede
Format: Artikel
Sprache:eng
Schlagworte:
1,5-diphenyl carbazide
Blanks
Chromium
Chromium - analysis
Diphenylcarbazide - chemistry
EPA 3060A
Ethiopia
Extraction
FAAS
Hexavalent chromium
Humans
Hydrogen Peroxide - chemistry
Hydrogen-Ion Concentration
Industrial Waste - analysis
Leather
Limit of Detection
Nitric Acid - chemistry
Oxidation-Reduction
Soil
Soil - chemistry
Soil Pollutants - analysis
Soils
Speciation
Spectrophotometry, Atomic
Spiking
Standard deviation
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Zusammenfassung:A study on speciation of chromium in soils near Sheba Leather Industry was performed by Flame Atomic Absorption (FAAS) after selective extraction of Cr(VI) using the EPA 3060A method, and oxidizing the Cr(III) residue in the soils with HNO3 and H2O2. The extraction method was evaluated using the spiking method with satisfactory results (recoveries>95% and RSDs
ISSN:0039-9140
1873-3573
DOI:10.1016/j.talanta.2013.07.039