ASTM International - ASTM E372-21
Standard Test Method for Determination of Calcium and Magnesium in Magnesium Ferrosilicon by EDTA Titrimetry
|Publication Date:||15 January 2021|
|ICS Code (Chemical analysis of metals):||77.040.30|
significance And Use:
4.1 This test method for the chemical analysis of metals and alloys is primarily intended to test such materials for compliance with compositional specifications. It is assumed that all who use... View More
4.1 This test method for the chemical analysis of metals and alloys is primarily intended to test such materials for compliance with compositional specifications. It is assumed that all who use this test method will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory.View Less
1.1 This test method covers the chemical analysis of magnesium ferrosilicon having chemical compositions within the following limits:
|Element||Composition Range, %|
|Calcium||0.25 to 3.00|
|Magnesium||2.00 to 12.00|
|Silicon||40.00 to 55.00|
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.