ASTM F 322 : 1980
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Method for Determining the Quality of Calibration Particles for Automatic Particle Counters (Withdrawn 1990)
31-12-1992
31-12-2010
Describes examination of essentially spherical near-monodisperse particles from 7.5 to 100 micron m of known density such as glass or polystyrene to establish whether suitable for calibrating automatic particle counters for gaseous or liquid suspensions.
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