This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards Guides and Remendations issued by the World Trade Organization Technical Barriers to Trade (TBT)Committee. Designation:F838-20 INTERNATIONAL Standard Test Method for Determining Bacterial Retention of Membrane Filters Utilized for Liquid Filtration This standard is issued under the fixed designation F838:the number immediately following the designation indicates the year of original adoption or in the case of revision the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon (e)indicates an editorial change since the last revision or reapproval. 1.Scope 2.Referenced Documents 1.1 This test method determines the bacterial retention 2.1 ASTM Standards:2 characteristics of membrane filters for liquid filtration using D1193 Specification for Reagent Water Brevundimonas diminuta as the challenge organism.This test method can be used to evaluate any membrane filter system 3.Terminology used for liquid sterilization. 3.1 Definition...
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