Methods for the petrographic analysis of bituminous coal and anthracite -- Part 5: Method of determining microscopically the reflectance of vitrinite
This standard has been revised by ISO 7404-5:2009
Cancels and replaces the first edition (1984). Specifies the method for determining microscopically the maximum and random reflectance in oil of polished surfaces of the vitrinite component of coals. Applicable to either coals from single seams or coal blends covering the whole range of bituminous coal and anthracite.