This standard specifies the definition of the determination of gangue content and lower limit rate of commercial coal, coal sample collection, measurement steps and result expression. This standard applies to all kinds of raw coal and lump coal produced, sold and used.
MT/T 1-1996 history
2007MT/T 1-2007 Determination of refuse-content and undersize fraction of commercial coal
1996MT/T 1-1996 Determination method of gangue content rate and lower limit rate of commercial coal