This standard applies to anthracite, hard and brown coals, lignites, peat, oil shale and their enrichment products, as well as
GOST 2057-1994 Referenced Document
GOST 10274-1979 Graphite for production of electrocarbon products. Specifications
GOST 10742-1971 Brown coals, hard coals, anthracite, combustible shales and coal briquettes. Methods of sampling and preparation of samples for laboratory tests
GOST 11022-1990 Solid mineral fuels. Methods for the determination of ash