GB/T 31426-2015 Coal water slurry for gasification

GB/T 212-2001 Proximate analysis of coal GB/T 212-2008 Proximate analysis of coal GB/T 219-1996 Determination of fusibility of coal ash GB/T 219-2008 Determination of fusibility of coal ash GB/T 3058-1996 Determination of arsenic in coal GB/T 3058-2008 Determination of arsenic in coal GB/T 3058-2019 Determination of arsenic in coal GB/T 3558-1996 Determination of chlorine in coal GB/T 3558-2014 Determination of chlorine in coal GB/T 16659-1996 Determination of mercury in coal GB/T 16659-2008 Determination of mercury in coal GB/T 16659-2024 Determination of mercury of coal GB/T 18856.1-2002 Test methods for quality of coal water mixture—Part 1—Sampling for coal water mixture GB/T 18856.1-2008 Test methods for coal water mixture—Part 1:Sampling GB/T 18856.2-2002 Test methods for quality of coal water mixture—Part 2—Determination of the solid load of coal water mixture GB/T 18856.2-2008 Test methods for coal water mixture—Part 2:Determination of mass percentage of solid GB/T 18856.3-2002 Test methods for quality of coal water mixture—Part 3—Sieving method for coal water mixture GB/T 18856.3-2008 Test methods for coal water mixture—Part 3:Sieving method GB/T 18856.4-2002 Test methods for quality of coal water mixture—Part 4—Determination of apparent viscosity of coal water mixture GB/T 18856.4-2008 Test methods for coal water mixture—Part 4:Determination of apparent viscosity GB/T 25209-2010 Commercial coal marking GB/T 25209-2022 Commercial coal marking GB/T 25215-2010 Guide for testing methods of coal water mixture