ASTM E581-04 - 1.6.2004
 
1. Scope

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 72.0
Manganese28.0 to 32.0
Carbon0.03 max
Iron0.01 max
Phosphorus0.01 max
Silicon0.05 max
Sulfur0.01 max

1.2 The test methods appear in the following order:

Sections
Iron by the 1,10-Phenanthroline Photometric Method11-20
Manganese by the (Ethylenedinitrilo) Tetraacetic Acid (EDTA-Back-Titrimetric Method21.27
Phosphorus 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.

 
2. Referenced Documents

E29-22

Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

D1193-06(2018)

Standard Specification for Reagent Water

E88-11(2017)

Standard Practice for Sampling Nonferrous Metals and Alloys in Cast Form for Determination of Chemical Composition

E173-93

Practice for Conducting Interlaboratory Studies of Methods for Chemical Analysis of Metals (Withdrawn 1997)

E135-23a

Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials (Includes all amendments and changes 7/17/2023).

E60-11(2022)e1

Standard Practice for Analysis of Metals, Ores, and Related Materials by Spectrophotometry (Includes all amendments and changes 6/29/2022).

E55-23

Standard Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical Composition

E50-17

Standard Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials

E1601-19

Standard Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method