This standard specifies the method for the determination of bulk density of dyes and dye intermediates. This standard applies to the determination of the bulk density of dyes and dye intermediates.
GB/T 21877-2015 history
2015GB/T 21877-2015 Dyestuffs and intermediate of dyes.Determination of tapping density
2008GB/T 21877-2008 Dyestuffs and intermediate of dyes.Determination of tapping density