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Rodgers, K. A. (1972) The decomposition and analysis of chrome spinel. A survey of some published techniques. Mineralogical Magazine, 38 (299) 882-889 doi:10.1180/minmag.1972.038.299.12

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Reference TypeJournal (article/letter/editorial)
TitleThe decomposition and analysis of chrome spinel. A survey of some published techniques
JournalMineralogical Magazine
AuthorsRodgers, K. A.Author
Year1972 (September)Volume38
Issue299
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_38/38-299-882.pdf+
DOIdoi:10.1180/minmag.1972.038.299.12Search in ResearchGate
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Mindat Ref. ID6592Long-form Identifiermindat:1:5:6592:8
GUID0
Full ReferenceRodgers, K. A. (1972) The decomposition and analysis of chrome spinel. A survey of some published techniques. Mineralogical Magazine, 38 (299) 882-889 doi:10.1180/minmag.1972.038.299.12
Plain TextRodgers, K. A. (1972) The decomposition and analysis of chrome spinel. A survey of some published techniques. Mineralogical Magazine, 38 (299) 882-889 doi:10.1180/minmag.1972.038.299.12
In(1972, September) Mineralogical Magazine Vol. 38 (299) Mineralogical Society
Abstract/NotesSummaryExamination of published procedures for the decomposition and subsequent analysis of chromite and chrome ores shows some to be unnecessarily complicated and time consuming. Others fail to yield consistent and reproducible results. Decomposition is rapidly and effectively accomplished using the peroxide frit technique of Rafter. Chromium may then be removed and determined volumetrically allowing the rest of the analysis to proceed along conventional silicate lines. Fe2+ is determined by oxidimetry following digestion with a mixture of phosphoric and sulphuric acids in the presence of ceric sulphate.


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