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ASTM D971-1999a(2004) Standard Test Method for Interfacial Tension of Oil Against Water by the Ring Method

Standard Number:  ASTM D971-1999a(2004)
Title:  Standard Test Method for Interfacial Tension of Oil Against Water by the Ring Method
Language:  English
Replacing Standard:  ASTM D971-99a

Status:  Superseded
Publisher:  American Society for Testing Material (ASTM)
Price:  
Number of Pages:3P.;A4  

Description:

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 mineral insulating oil indicates the absence of most undesirable polar contaminants. The test is frequently applied to service-aged oils as an indication of the degree of deterioration.


FIG. 1 Interfacial Tensiometer


FIG. 2 Top View of Interfacial Tensiometer

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 safety concerns, 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.

  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  114KB
Tile in English:  Standard Test Method for Interfacial Tension of Oil Against Water by the Ring Method

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