Modifications to EPA Method 3060A to Improve Extraction of Cr(VI) from Chromium Ore Processing Residue-Contaminated Soils

It has been shown that EPA Method 3060A does not adequately extract Cr(VI) from chromium ore processing residue (COPR). We modified various parameters of EPA 3060A toward understanding the transformation of COPR minerals in the alkaline extraction and improving extraction of Cr(VI) from NIST SRM 2...

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Veröffentlicht in:	Environmental science & technology 2017-10, Vol.51 (19), p.11235-11243
Hauptverfasser:	Mills, Christopher T, Bern, Carleton R, Wolf, Ruth E, Foster, Andrea L, Morrison, Jean M, Benzel, William M
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum Borosilicate glass Brownmillerite Calcium aluminum ferrite Chromium Chromium ores Extraction processes Grinding Hydroxides Industrial Waste Minerals Oxidation Parameter modification Polytetrafluoroethylene Sediment pollution Soil Soil contamination Soil Pollutants Soil pollution Spectroscopy Vessels X-Ray Absorption Spectroscopy
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