ASTM D4291-21R25
Standard Test Method for Trace Ethylene Glycol in Used Engine Oil
| Označení normy: | ASTM D4291-21R25 |
| Vydáno: | 01.10.2025 |
| Status: | Active |
| Počet stran: | 4 |
| Sekce: | 05.02 |
| Označení: | antifreeze; ethylene glycol; gas chromatography; used engine oil; |
| ASTM označení: | ASTM D4291 |
| Nahrazuje: | D4291-21 |
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 mass ppm 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific warning statements, see Section 7.
Note 1: A qualitative determination of glycol-base antifreeze is provided in Test Methods D2982. Procedure A is sensitive to about 100 ppm.
1.3 This 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.