D2798

D2798
ASTM Standard
D2798 Test Method for Microscopical Determination of the Vitrinite Reflectance of Coal

ASTM D121-09a Standard Terminology of Coal and Coke. 2014.

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  • vitrinite — n the predominant maceral in most coals of intermediate reflectance occurring as substantial volumes of more or less uniformly reflecting material or as a matrix enclosing particles of other macerals and mineral matter or as particles or bands… …   Coke&Coal Terminology

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