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ASTM F 490 : 1977

ASTM F 490 : 1977

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Method for Microscopical Sizing and Counting Particles on Membrane Filters Using Image Shear (Withdrawn 1992)

Withdrawn date

01-01-1994

Published date

12-01-2013

Publisher

American Society for Testing and Materials

CONTAINED IN VOL 14.02 Describes microscopical determination for precision sizing and counting of particles on membrane filters. Image shear reduces operator variation and increases analysis speed. Applies to fluids, surfaces, gases and environments.

Committee
ASTM
DocumentType
Test Method
PublisherName
American Society for Testing and Materials
Status
Withdrawn

ASTM F 322 : 1980 Method for Determining the Quality of Calibration Particles for Automatic Particle Counters (Withdrawn 1990)

ASTM F 301 : 1991 Practice for Open Bottle Tap Sampling of Liquid Streams (Withdrawn 2000)
ASTM F 318 : 2006 Standard Practice for Sampling Airborne Particulate Contamination in Cleanrooms for Handling Aerospace Fluids
ASTM F 314 : 1970 : R1980 Methods of Test for Identification of Metallic and Fibrous Contaminants in Aerospace Fluids (Withdrawn 1990)

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