Research Report RR:C08-1013
An interlaboratory study was run in which randomly drawn test specimens of two materials (tabular alumina and Mucosa 47) were tested for true specific gravity by gas comparison pycnometer to establish precision statements for test method C604.
C604-18 Standard Test Method for True Specific Gravity of Refractory Materials by Gas-Comparison Pycnometer
Committee C08 on Refractories
Subcommittee C08.03 on Physical Properties