ASTM D7637-10R25
Standard Test Method for Determination of Glycerin Assay by Titration (Sodium Meta Periodate)
| Označení normy: | ASTM D7637-10R25 |
| Vydáno: | 01.09.2025 |
| Status: | Active |
| Počet stran: | 4 |
| Sekce: | 15.05 |
| Označení: | antifreeze; engine coolant; ethylene; glycerin; glycerine; glycerol; titrimetric; |
| ASTM označení: | ASTM D7637 |
| Nahrazuje: | D7637-10R21 |
1.1 This test method provides the quantitative determination of glycerin by the titrimetric method. It is applicable to all glycerin or glycerin/water mixtures >75 %.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns associated with its use. It is the responsibility of the user of this standard to consult the established and appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific precautions are listed in Section 8.
1.4 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.