- ASTM StandardD2798 Test Method for Microscopical Determination of the Vitrinite Reflectance of Coal
ASTM D121-09a Standard Terminology of Coal and Coke. 2014.
Look at other dictionaries:
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