ASTM F 490 : 1977
Withdrawn
Withdrawn
Method for Microscopical Sizing and Counting Particles on Membrane Filters Using Image Shear (Withdrawn 1992)
Published date
01-12-2013
Withdrawn date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Withdrawn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| ASTM F 322 : 1980 | Method for Determining the Quality of Calibration Particles for Automatic Particle Counters (Withdrawn 1990) |
| ASTM F 301 : 1991 | Practice for Open Bottle Tap Sampling of Liquid Streams (Withdrawn 2000) |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F 314 : 1970 : R1980 | Methods of Test for Identification of Metallic and Fibrous Contaminants in Aerospace Fluids (Withdrawn 1990) |
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