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Raman spectroscopy as a tool to characterize heterogenite (CoO·OH) (Katanga Province, Democratic Republic of Congo)

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Title: Raman spectroscopy as a tool to characterize heterogenite (CoO·OH) (Katanga Province, Democratic Republic of Congo)
Authors: Burlet, C. christian.burlet@naturalsciences.be, Vanbrabant, Y.1, Goethals, H.1, Thys, T.1, Dupin, L.1
Source: Spectrochimica Acta Part A: Molecular & Biomolecular Spectroscopy. Oct2011, Vol. 80 Issue 1, p138-147. 10p.
Subjects: Cobalt ores, Raman spectroscopy, Hydroxylation, Phase transitions, Laser beams, Stratigraphic geology
Geographic Terms: Congo (Democratic Republic)
Abstract: Abstract: Natural heterogenite (CoO·OH) samples were studied by Raman microspectroscopy, electronic microprobe and Electronic BackScattered Diffraction (EBSD). Raw samples and polished sections were made from 10 mines covering the Katanga copperbelt (Katanga Province, Democratic Republic of Congo). Four typical Raman responses have been obtained leading to investigate the laser-induced dehydroxylation of heterogenite into a Co-spinel structure. The results are also compared with EBSD patterns from oven heated heterogenite samples. A close relationship was established between the chemical substitutions of Co by mainly Cu, Ni, Mn and Al and their impact on the mineral Raman response. [Copyright &y& Elsevier]
Copyright of Spectrochimica Acta Part A: Molecular & Biomolecular Spectroscopy is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
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Header DbId: egs
DbLabel: Engineering Source
An: 64859286
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Raman spectroscopy as a tool to characterize heterogenite (CoO·OH) (Katanga Province, Democratic Republic of Congo)
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  Data: <searchLink fieldCode="AR" term="%22Burlet%2C+C%2E%22">Burlet, C.</searchLink><i> christian.burlet@naturalsciences.be</i><br /><searchLink fieldCode="AR" term="%22Vanbrabant%2C+Y%2E%22">Vanbrabant, Y.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Goethals%2C+H%2E%22">Goethals, H.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Thys%2C+T%2E%22">Thys, T.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Dupin%2C+L%2E%22">Dupin, L.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Spectrochimica+Acta+Part+A%3A+Molecular+%26+Biomolecular+Spectroscopy%22">Spectrochimica Acta Part A: Molecular & Biomolecular Spectroscopy</searchLink>. Oct2011, Vol. 80 Issue 1, p138-147. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Cobalt+ores%22">Cobalt ores</searchLink><br /><searchLink fieldCode="DE" term="%22Raman+spectroscopy%22">Raman spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Hydroxylation%22">Hydroxylation</searchLink><br /><searchLink fieldCode="DE" term="%22Phase+transitions%22">Phase transitions</searchLink><br /><searchLink fieldCode="DE" term="%22Laser+beams%22">Laser beams</searchLink><br /><searchLink fieldCode="DE" term="%22Stratigraphic+geology%22">Stratigraphic geology</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Congo+%28Democratic+Republic%29%22">Congo (Democratic Republic)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract: Natural heterogenite (CoO·OH) samples were studied by Raman microspectroscopy, electronic microprobe and Electronic BackScattered Diffraction (EBSD). Raw samples and polished sections were made from 10 mines covering the Katanga copperbelt (Katanga Province, Democratic Republic of Congo). Four typical Raman responses have been obtained leading to investigate the laser-induced dehydroxylation of heterogenite into a Co-spinel structure. The results are also compared with EBSD patterns from oven heated heterogenite samples. A close relationship was established between the chemical substitutions of Co by mainly Cu, Ni, Mn and Al and their impact on the mineral Raman response. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Spectrochimica Acta Part A: Molecular & Biomolecular Spectroscopy is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=64859286
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      – Type: doi
        Value: 10.1016/j.saa.2011.03.007
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      – Code: eng
        Text: English
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        PageCount: 10
        StartPage: 138
    Subjects:
      – SubjectFull: Cobalt ores
        Type: general
      – SubjectFull: Raman spectroscopy
        Type: general
      – SubjectFull: Hydroxylation
        Type: general
      – SubjectFull: Phase transitions
        Type: general
      – SubjectFull: Laser beams
        Type: general
      – SubjectFull: Stratigraphic geology
        Type: general
      – SubjectFull: Congo (Democratic Republic)
        Type: general
    Titles:
      – TitleFull: Raman spectroscopy as a tool to characterize heterogenite (CoO·OH) (Katanga Province, Democratic Republic of Congo)
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              Text: Oct2011
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