GB/T 18817-2002 Specifications of bituminous coal used for blast furnace PCI

GB/T 189-1997 Classification standard for size fractions of coal GB/T 211-1996 Determination of total moisture in coal GB/T 211-2007 Determination of total moisture in coal GB/T 211-2017 Determination of total moisture in coal GB/T 212-2001 Proximate analysis of coal GB/T 212-2008 Proximate analysis of coal GB/T 213-1996 Determination of calorific value of coal GB/T 213-2003 Determination of calorific value of coal GB/T 213-2008 Determination of calorific value of coal GB/T 214-1996 Determination of total sulfur in coal GB/T 214-2007 Determination of total sulfur in coal GB/T 216-2003 Determination of phosphorus in coal GB 474-1996 Preparation of coal sample GB/T 474-2008 Method for preparation of coal sample GB 475-1996 Sampling for commercial coal GB/T 475-2008 Method for manual sampling of commercial coal GB/T 1574-1995 Analysis of coal ash GB/T 1574-2007 Test method for analysis of coal ash GB/T 2565-1998 Determination of grindability index of coal(Hardgrove method) GB/T 2565-2014 Determination of grindability index of coal—Hardgrove method GB/T 4634-1996 Determination of potassium, sodium, iron, calcium, magnesium and manganese in coal ash by atomic absorption spectrometric method GB 5751-1986 Classification of Chinese coals GB/T 5751-2009 Chinese classification of coals GB/T 18666-2002 Method for quality sport check and acceptance of commercial coal GB/T 18666-2014 Method for quality sport check and acceptance of commerical coal GB/T 214-2026 Determination of total sulfur in coal