This standard specifies the method for determining the total moisture content of lots of coal and coke. There are two methods for measuring the total moisture content of lofts: a one-step drying method and a two-step drying method.
JIS M 8820:2000 history
2001JIS M 8820 ERRATUM 1:2001 Coal and coke -- Determination of total moisture content of a lot (Erratum 1)
2000JIS M 8820:2000 Coal and coke -- Determination of total moisture content of a lot