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Home>ASTM D2798-20

ASTM D2798-20

ASTM D2798-20

Standard Test Method for Microscopical Determination of the Vitrinite Reflectance of Coal

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1.1 ,This test method covers the microscopical determination of both the mean maximum and mean random reflectances measured in oil of polished surfaces of vitrinite and other macerals present in coals ranging in rank from lignite to anthracite. This test method can be used to determine the reflectance of other macerals.

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