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ASTM F311-97(2002)

Historical Reaffirmation

Standard Practice for Processing Aerospace Liquid Samples for Particulate Contamination Analysis Using Membrane Filters

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1.1 This practice covers the processing of liquids in preparation for particulate contamination analysis using membrane filters and is limited only by the liquid-to-membrane filter compatibility.

1.2 The practice covers the procedure for filtering a measured volume of liquid through a membrane filter. When this practice is used, the particulate matter will be randomly distributed on the filter surface for subsequent contamination analysis methods.

1.3 The practice describes procedures to allow handling particles in the size range between 2 and 50 m with minimum losses during handling.


This practice provides for the processing of liquid samples obtained in accordance with Practice F 302 and Practices F 303. It will provide the optimum sample processing for visual contamination methods such as Method F 312, and Test Method F 314.

SDO ASTM: ASTM International
Document Number F311
Publication Date April 10, 1997
Language en - English
Page Count 3
Revision Level 97(2002)
Supercedes
Committee E21.05
Publish Date Document Id Type View
May 1, 2008 F0311-08 Revision
Jan. 1, 1992 F0311-97 Revision
April 1, 2020 F0311-08R20 Reaffirmation
Nov. 1, 2013 F0311-08R13 Reaffirmation
April 10, 1997 F0311-97R02 Reaffirmation