This standard specifies the definition, method summary, reagents and materials, instruments and equipment, test conditions, operating procedures and precision of coal ash fusibility determination. This standard applies to lignite, bituminous coal and anthracite.
GB/T 219-1996 history
2008GB/T 219-2008 Determination of fusibility of coal ash
1996GB/T 219-1996 Determination of fusibility of coal ash