Synthesis of chromium-containing pigments from chromium recovered from leather waste
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.
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2002 |
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| Erschienen: |
2002 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:22 |
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| Enthalten in: |
Waste management (New York, N.Y.) - 22(2002), 7 vom: 04., Seite 761-72 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Berry, Frank J [VerfasserIn] |
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| Themen: |
0R0008Q3JB |
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| Anmerkungen: |
Date Completed 06.02.2003 Date Revised 06.11.2019 published: Print Citation Status MEDLINE |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM121563626 |
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| 245 | 1 | 0 | |a Synthesis of chromium-containing pigments from chromium recovered from leather waste |
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| 500 | |a Date Completed 06.02.2003 | ||
| 500 | |a Date Revised 06.11.2019 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a 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 | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 7 | |a Chromium Compounds |2 NLM | |
| 650 | 7 | |a Coloring Agents |2 NLM | |
| 650 | 7 | |a Industrial Waste |2 NLM | |
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| 700 | 1 | |a Costantini, Nicola |e verfasserin |4 aut | |
| 700 | 1 | |a Smart, Lesley E |e verfasserin |4 aut | |
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