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Geochemical and analytical implications of extensive sulfur retention in ash from Indonesian peats

By
Jean S. Kane
Jean S. Kane
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Sandra G. Neuzil
Sandra G. Neuzil
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Published:
January 01, 1993

Sulfur is an analyte of considerable importance to the complete major element analysis of ash from low-sulfur, low-ash Indonesian peats. Most analytical schemes for major element peat- and coal-ash analyses, including the inductively coupled plasma atomic emission spectrometry method used in this work, do not permit measurement of sulfur in the ash. As a result, oxide totals cannot be used as a check on accuracy of analysis. Alternative quality control checks verify the accuracy of the cation analyses. Cation and sulfur correlations with percent ash yield suggest that silicon and titanium, and to a lesser extent, aluminum, generally originate as minerals, whereas magnesium and sulfur generally originate from organic matter. Cation correlations with oxide totals indicate that, for these Indonesian peats, magnesium dominates sulfur fixation during ashing because it is considerably more abundant in the ash than calcium, the next most important cation in sulfur fixation.

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GSA Special Papers

Modern and Ancient Coal-Forming Environments

James C. Cobb
James C. Cobb
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C. Blaine Cecil
C. Blaine Cecil
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Geological Society of America
Volume
286
ISBN print:
9780813722863
Publication date:
January 01, 1993

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