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News|Articles|November 11, 2026
Determination of Ethylene Glycol and Propylene Glycol in New and In-Service Engine Oil
Author(s)PerkinElmer, Inc.
Antifreeze leaking into engine oil is one of the clearest early signs of coolant system failure, but confirming it has traditionally meant slow, interference prone extraction testing. This application note shows how the PerkinElmer GC 2400 System uses an ASTM D7922 headspace method with phenylboronic acid derivatization to quantify ethylene and propylene glycol in engine oil, delivering a faster, cleaner path to condition monitoring.
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