This general rule applies to the determination of the density and relative density of general chemical products *; it does not apply to the determination of the density and relative density of chemical products in special states such as carbon black and open-cell foam rubber or plastic.
GB/T 4472-1984 history
2011GB/T 4472-2011 Detemination of density and relative density for chemical products
1984GB/T 4472-1984 General rule for determination of density and relative density for chemical products