This standard applies to the determination of the true-to-density of foundry coke, metallurgical coke and other cokes.
GB/T 4511.4-1984 history
2008GB/T 4511.1-2008 Coke.Determination of true relative density apparent relative density and porosity
1984GB/T 4511.4-1984 Coke--Determination of true relative density
GB/T 4511.4-1984 Coke--Determination of true relative density was changed to GB/T 4511.1-2008 Coke.Determination of true relative density apparent relative density and porosity.