This standard specifies a method for determining the particle size distribution of powdered materials by gravity settling in a liquid phase using a pipette.
JIS Z 8820-2:2004 history
2004JIS Z 8820-2:2004 Determination of particle size distribution by gravitational liquid sedimentation methods -- Part 2: Fixed pipette method
1999JIS Z 8821:1999 Determination of particle size distribution by the sedimentation in liquid using the pippette apparatus
1990JIS Z 8821:1990 Determination of particle size distribution by the sedimentation in liquid using the pipette apparatus