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Standard Test Method for Measurement of Lubricant Generated Insoluble Color Bodies in In-Service Turbine Oils using Membrane Patch ColorimetryTranslate name
STANDARD published on 1.4.2021
Designation standards: ASTM D7843-21
Publication date standards: 1.4.2021
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM
membrane patch colorimetry, turbine oil, varnish,, ICS Number Code 75.100 (Lubricants, industrial oils and related products)
|Significance and Use|
5.1This test can be a guide to end-users on the formation of lubricant-generated, insoluble deposits.
5.2The results from this test are intended to be used as a condition monitoring trending tool as part of a comprehensive program, as outlined in standards such as Practice .
1.1This test method extracts insoluble contaminants from a sample of in-service turbine oil onto a patch and the color of the membrane patch is analyzed by a spectrophotometer. The results are reported as a ?E value, within the CIELAB scale.
1.2This test method is not appropriate for turbine oils with dyes.
1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4This 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.
1.5This 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.
|2. Referenced Documents|
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