BS 6127-3:1981
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Petrographic analysis of bituminous coal and anthracite Method of determining maceral group composition of bituminous coal and anthracite
Hardcopy , PDF
15-04-1995
English
31-08-1981
Gives the scope, definitions, principle, materials, procedure, expression of results, experimental error, and test report and describes the procedure for determining the proportions of maceral groups (and mineral matter if desired) in coals using polished particulate blocks with white light.
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