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Pentane Insoluables
Definition:
Pentane Insoluables (coagulated / uncoagulated) identifies contaminants in used oil. The oil is first diluted with pentane so it loses its solvency for certain oxidation resins (light yellow to dark brown solid or semi-solid materials composed of carbon, hydrogen and oxygen). This dilution also causes the precipitation of such extraneous materials as dirt, soot and wear metals or pentane insoluables.
Standard Test Method Used:
Reporting Measurement:
%
Amount of Sample Needed:
35 mL
Test Limitation:
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