GB/T 6609.25-2023 Methods of chemical analysis and determination of physical properties of alumina - Part 25: Determination of bulk and tapped densities (English Version)
2023GB/T 6609.25-2023 Methods of chemical analysis and determination of physical properties of alumina - Part 25: Determination of bulk and tapped densities
2004GB/T 6609.25-2004 Chemical analysis methods and determination of physical performance of alumina Determination of untamped density
1986GB/T 6522-1986 Aluminium oxide powders--Determination of apparent density