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Withdrawn
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Method for Microscopical Sizing and Counting Particles on Membrane Filters Using Image Shear (Withdrawn 1992)
Published date
12-01-2013
Withdrawn date
01-01-1994
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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Withdrawn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| ASTM F 322 : 1980 | Method for Determining the Quality of Calibration Particles for Automatic Particle Counters (Withdrawn 1990) |
| ASTM F 301 : 1991 | Practice for Open Bottle Tap Sampling of Liquid Streams (Withdrawn 2000) |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F 314 : 1970 : R1980 | Methods of Test for Identification of Metallic and Fibrous Contaminants in Aerospace Fluids (Withdrawn 1990) |
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