ASTM C925-79(2000) PDF

1.1 This test method covers the determination of the particle size distribution of pulverized alumina and quartz for particle sizes from 45 to 5 µm by wet sieving.

1.2 This standard does not purport to address the safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.