This standard BS ISO 1170:2020 Coal and coke. Calculation of analyses to different bases is classified in these ICS categories:
73.040 Coals
75.160.10 Solid fuels
This document gives equations that allow analytical data relating to coal and coke to be expressed on the various different bases in common use. Consideration is given to corrections that can be applied to certain determined values for coal prior to their calculation to other bases.