GB/T 23251-2021 Guideline for coal used in coal chemical technology

GB/T 23251-2009 Guideline for coal used in coal chemical conversion

GB/T 5450-2014 Audibert-Arnu dilatometer test of bituminous coal GB 5751-1986 Classification of Chinese coals GB/T 5751-2009 Chinese classification of coals GB/T 6948-1998 Microscopical determination of the reflectance of vitrinite in coal GB/T 6948-2008 Method of determining microscopically the reflectance of vitrinite in coal GB/T 8899-1998 Determination of maceral group composition and minerals in coal GB/T 8899-2013 Determination of maceral group composition and minerals in coal GB/T 15458-1995 Determination of the index of abrasion of coal GB/T 15458-2006 Determination of abrasion index of coal GB/T 15459-1995 Determination of shatter strength of coal GB/T 15459-2006 Determination of shatter indices of 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 18856.5-2002 Test methods for quality of coal water mixture—Part 5—Determination of the stability of coal water mixture GB/T 18856.5-2008 Test methods for coal water mixture—Part 5:Determination of the stability GB/T 18856.6-2002 Test methods for quality of coal water mixture—Part 6—Determination of calorific value of coal water mixture GB/T 18856.6-2008 Test methods for coal water mixture—Part 6:Determination of density GB/T 18856.7-2002 Test methods for quality of coal water mixture—Part 7—Proximate analysis of coal water mixture GB/T 18856.7-2008 Test methods for coal water mixture—Part 7:Determination of pH value GB/T 18856.8-2002 Test methods for quality of coal water mixture—Part 8—Determination of total sulfur in coal water mixture GB/T 18856.9-2002 Test methods for quality of coal water mixture—Part 9:Determination of the density of coal water mixture GB/T 18856.10-2002 Test methods for quality of coal water mixture—Part 10—Determination for fusibility of ash of coal water mixture GB/T 18856.11-2002 Test methods for quality of coal water mixture—Part 11:Determination of carbon and hydrogen in coal water mixture GB/T 18856.12-2002 Test methods for quality of coal water mixture—Part 12—Determination of nitrogen of coal water mixture GB/T 18856.13-2002 Test methods for quality of coal water mixture—Part 13:Determination for the ash of coal water mixture GB/T 18856.14-2002 Test methods for quality of coal water mixture—Part 14:Determination for pH value of coal water mixture GB/T 19227-2003 Determination of nitrogen in coal and coke—semi-micro gasification method GB/T 19227-2008 Determination of nitrogen in coal GB/T 25213-2010 Determination of plastic properties of coal—Constant torque Gieseler plastometer method GB/T 25214-2010 Determination of total sulfur in coal by IR spectrometry GB/T 25215-2010 Guide for testing methods of coal water mixture GB/T 30732-2014 Proximate analysis of coal—Instrumental method GB/T 30733-2014 Determination of total carbon, hydrogen and nitrogen content in coal—Instrumental method GB/T 31356-2014 Quality evaluation and control guide for commercial coal GB/T 31424-2015 Determination of coal ash viscosity GB/T 31428-2021 Vocabulary relating to coal chemical technology GB/T 41039-2021 The general rules of determing designed coal and checked coal in modern coal chemical technology MT/T 1-1996 The method for measuring the content of gangue and the limit rate of coal products MT/T 707-1997 Method for identifying tendency of coal to spontaneous combustion by oxygen adsorption with chromatograph MT/T 739-1997 Determination of the bulk density of coal in a small container MT/T 739-2011 Determination Method for Density of Small Containers of Coal Piles MT/T 740-1997 Determination of the bulk density of coal in a larger container MT/T 740-2011 Determination of bulk density of Coal in a large container SN/T 3511