ASTM E0372-21
Standard Test Method for Determination of Calcium and Magnesium in Magnesium Ferrosilicon by EDTA Titrimetry
| Označení normy: | ASTM E0372-21 |
| Vydáno: | 15.01.2021 |
| Status: | Active |
| Počet stran: | 4 |
| Sekce: | 03.05 |
| Označení: | calcium; chemical analysis; EDTA; ferrosilicon; magnesium; magnesium ferrosilicon; titration; titrimetry; |
| ASTM označení: | ASTM E372 |
| Nahrazuje: | E0372-13 |
1.1 This test method covers the chemical analysis of magnesium ferrosilicon having chemical compositions within the following limits:
| Element | Composition Range, % |
|
| |
| Aluminum | 2.0 max |
| Calcium | 0.25 to 3.00 |
| Carbon | 0.50 max |
| Cerium | 1.0 max |
| Chromium | 0.50 max |
| Magnesium | 2.00 to 12.00 |
| Manganese | 1.0 max |
| Silicon | 40.00 to 55.00 |
| Sulfur | 0.025 max |
| Titanium | 0.2 max |
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 general precautions to be observed in this test method, refer to Practices E50.
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.