This standard specifies the classification, name and code of the microscopic components of bituminous coal, and is applicable to the production, scientific research and teaching of bituminous coal resource evaluation, processing and utilization, and cause research. Lignite and anthracite whose coalification degree is close to that of bituminous coal can be used as a reference.
GB/T 15588-2001 history
2013GB/T 15588-2013 Classification of macerals for bituminous coal
2001GB/T 15588-2001 Classification of macerals for bituminous coal