ASTM E581 : 04

Standard Test Methods for Chemical Analysis of Manganese-Copper Alloys

Standard Details

1.1 These test methods cover the chemical analysis of manganese-copper alloys having chemical compositions within the following limits:

Element	Concentration Range, %
Copper	68.0 to 72.0
Manganese	28.0 to 32.0
Carbon	0.03 max
Iron	0.01 max
Phosphorus	0.01 max
Silicon	0.05 max
Sulfur	0.01 max

1.2 The test methods appear in the following order:

	Sections
Iron by the 1,10-Phenanthroline Photometric Method	11-20
Manganese by the (Ethylenedinitrilo) Tetraacetic Acid (EDTA-Back-Titrimetric Method	21.27
Phosphorus by theMolybdivanadophosphoric Acid Extraction Photometric Method	28.38

1.3 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 and health practices and determine the applicability of regulatory limitations prior to use. For precaution to be observed in the use of certain reagents, refer to Practices E 50. A specific precautionary statement is given in 24.7.