Область применения

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

ElementConcentration Range, %Copper68.0 to 72.0Manganese28.0 to 32.0Carbon0.03 maxIron0.01 maxPhosphorus0.01 maxSilicon0.05 maxSulfur0.01 max

1.2 The test methods appear in the following order:

SectionsIron by the 1,10-Phenanthroline Photometric Method11-20Manganese by the (Ethylenedinitrilo) Tetraacetic Acid (EDTA-Back-Titrimetric Method21.27Phosphorus by theMolybdivanadophosphoric Acid Extraction Photometric Method28.38

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.