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Economic Geology; April 1968; v. 63; no. 2; p. 182-187
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A study on the optical and chemical characters of some coals carbonized in the laboratory

T. K. Ghosh

For coals carbonized above 400-500 degrees C, reflectance increases with temperature. The value of the reflectance depends on rank of coal, temperature, and rate and duration of heating. Reflectance is therefore indicative of conditions of carbonization, temperature of carbonization, and carbon content.

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JOURNAL HOME HELP CONTACT PUBLISHER SUBSCRIBE ARCHIVE SEARCH TABLE OF CONTENTS
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