GB/T 15224.1-2018 Translated English of Chinese Standard. (GBT 15224.1-2018, GB/T15224.1-2018, GBT15224.1-2018): Classification for quality of coal - Part 1: Ash

This Part of GB/T 15224 specifies the classification of coal based on dry basis ash (Ad) range, naming and inspection of ash. This Part is applicable to coal resource exploration and evaluation, as well as guidance on coal production and processing.