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Synthesis of chromium-containing pigments from chromium recovered from leather waste

Berry, Frank J.; Costantini, Nicola and Smart, Lesley E. (2002). Synthesis of chromium-containing pigments from chromium recovered from leather waste. Waste Management, 22(7) pp. 761–772.

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Cobalt-chromite green and chrome-tin pink pigments have been prepared from chromium extracted from leather shavings produced as a waste product of the leather-tanning industry. The alkaline agent (NaOH, CaO, MgO, NH4OH) used in the extraction process influences the nature of the final product. The effect of the NH4OH:CaO ratio on the final product in the case of cobalt-chromite green was examined. The pigments obtained were characterized by FT-IR and X-ray diffraction (XRD). Colour measurements were compared with those recorded from materials prepared from pure Cr2O3. The leaching of Cr(VI) from the materials was examined by UV spectroscopy.

Item Type: Journal Article
Copyright Holders: 2002 Elsevier Science Ltd.
ISSN: 0956-053X
Extra Information: Some of the symbols may not have transferred correctly into this bibliographic record.
Academic Unit/Department: Science > Life, Health and Chemical Sciences
Item ID: 2494
Depositing User: Lesley Smart
Date Deposited: 17 Jul 2006
Last Modified: 14 Jan 2016 15:48
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