Significance and Use
Leakage of aqueous engine coolant into the crank case weakens the ability of the oil to lubricate. If ethylene glycol is present, it promotes varnish and deposit formation. This test method is designed for early detection to prevent coolant from accumulating and seriously damaging the engine.
1.1 This test method covers the determination of ethylene glycol as a contaminant in used engine oil. This test method is designed to quantitate ethylene glycol in the range from 5 to 200 mass ppm.
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.For specific warning statements, see Section 6.
Note 1—A qualitative determination of glycol-base antifreeze is provided in Test Methods D 2982. Procedure A is sensitive to about 100 ppm.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1193 Specification for Reagent Water
D2982 Test Methods for Detecting Glycol-Base Antifreeze in Used Lubricating Oils
D4057 Practice for Manual Sampling of Petroleum and Petroleum Products
antifreeze; ethylene glycol; gas chromatography; used engine oil; Antifreeze (engine); Engine coolants/concentrates; Ethylene glycol; Gas chromatography (GC)--petroleum products; Lubricating oils; Used engine oils
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Citing ASTM Standards
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