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ASTM International - ASTM D971-20

Standard Test Method for Interfacial Tension of Insulating Liquids Against Water by the Ring Method

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Organization: ASTM International
Publication Date: 1 April 2020
Status: active
Page Count: 4
ICS Code (Lubricants, industrial oils and related products): 75.100
significance And Use:

4.1 Interfacial tension measurements on electrical insulating liquids provide a sensitive means of detecting small amounts of soluble polar contaminants and products of oxidation. A high value for... View More

scope:

1.1 This test method covers the measurement of the interfacial tension between insulating liquid that has a relative density (specific gravity) less than water and water, under non-equilibrium conditions.

1.2 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. See 7.2 for a specific warning statement.

1.3 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 Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Document History

ASTM D971-20
April 1, 2020
Standard Test Method for Interfacial Tension of Insulating Liquids Against Water by the Ring Method
1.1 This test method covers the measurement of the interfacial tension between insulating liquid that has a relative density (specific gravity) less than water and water, under non-equilibrium...
May 1, 2012
Standard Test Method for Interfacial Tension of Oil Against Water by the Ring Method
1.1 This test method covers the measurement of the interfacial tension between mineral oil and water, under non-equilibrium conditions. 1.2 This standard does not purport to address all of the...
October 1, 2004
Standard Test Method for Interfacial Tension of Oil Against Water by the Ring Method
Interfacial tension measurements on electrical insulating oils provide a sensitive means of detecting small amounts of soluble polar contaminants and products of oxidation. A high value for new...
October 10, 1999
Standard Test Method for Interfacial Tension of Oil Against Water by the Ring Method
1.1 This test method covers the measurement of, under nonequilibrium conditions, the interfacial tension of mineral oils against water. 1.2 This standard does not purport to address all of the...
January 1, 1991
Standard Test Method for Interfacial Tension of Oil Against Water by the Ring Method
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