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ASTM D5391-99

Historical Revision

Standard Test Method for Electrical Conductivity and Resistivity of a Flowing High Purity Water Sample (Withdrawn 2023)

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1.1 This test method covers the determination of electrical conductivity and resistivity of high purity water samples below 10 [mu]S/cm (above 0.1 Mohm-cm). It is applicable to both continuous and periodic measurements but in all cases, the water must be flowing in order to provide representative sampling. Static grab sampling cannot be used for such high purity water. Continuous measurements are made directly in pure water process lines, or in side stream sample lines to enable measurements on high temperature or high pressure samples, or both.

1.2 The values stated in SI units are to be regarded as the standard.

1.3 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


SDO ASTM: ASTM International
Document Number D5391
Publication Date June 10, 1999
Language en - English
Page Count 7
Revision Level 99
Supercedes
Committee D19.03
Publish Date Document Id Type View
April 1, 2023 D5391-23 Revision
Feb. 1, 2014 D5391-14 Revision
June 10, 1999 D5391-99 Revision
May 1, 2009 D5391-99R09 Reaffirmation
April 1, 2005 D5391-99R05 Reaffirmation