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ASTM International - ASTM D1533-00(2005)

Standard Test Method for Water in Insulating Liquids by Coulometric Karl Fischer Titration

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Organization: ASTM International
Publication Date: 1 October 2005
Status: inactive
Page Count: 5
ICS Code (Insulating oils): 29.040.10
significance And Use:

Electrical characteristics of an insulating liquid may be affected deleteriously by excessive water content. A high water content may make a dielectric liquid unsuitable for some electrical... View More

scope:

1.1 This test method covers the measurement of water present in insulating liquids by coulometric Karl Fischer titration. This test method is used commonly for test specimens below 100 % relative saturation of water in oil. The coulometric test method is known for its high degree of sensitivity (typically 10 g H2O). This test method requires the use of equipment specifically designed for coulometric titration.

1.2 This test method recommends the use of commercially available coulometric Karl Fischer titrators and reagents.

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practice and determine the applicability of regulatory limitations prior to use. For specific precautionary statements see and .

Document History

November 1, 2020
Standard Test Method for Water in Insulating Liquids by Coulometric Karl Fischer Titration
1.1 This test method covers the measurement of water present in insulating liquids by coulometric Karl Fischer titration. This test method is used commonly for test specimens below 100 % relative...
December 1, 2012
Standard Test Method for Water in Insulating Liquids by Coulometric Karl Fischer Titration
1.1 This test method covers the measurement of water present in insulating liquids by coulometric Karl Fischer titration. This test method is used commonly for test specimens below 100 % relative...
ASTM D1533-00(2005)
October 1, 2005
Standard Test Method for Water in Insulating Liquids by Coulometric Karl Fischer Titration
1.1 This test method covers the measurement of water present in insulating liquids by coulometric Karl Fischer titration. This test method is used commonly for test specimens below 100 % relative...
April 10, 2000
Standard Test Method for Water in Insulating Liquids by Coulometric Karl Fischer Titration
1.1 These test methods cover the determination of water present in insulating liquids, in concentrations most commonly below 200 ppm. 1.2 Annex A2 lists modified solvent systems which allow the use...
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