Standard Test Methods for Chemical Analysis of Manganese-Copper Alloys

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 72.0Manganese28.0 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.

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AnAmerican National Standard
Designation:E581–04
Standard Test Methods for
1
Chemical Analysis of Manganese-Copper Alloys
This standard is issued under the fixed designation E 581; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope E 50 Practices for Apparatus, Reagents, and Safety Precau-
tions for Chemical Analysis of Metals
1.1 These test methods cover the chemical analysis of
E 55 PracticeforSamplingWroughtNonferrousMetalsand
manganese-copper alloys having chemical compositions
Alloys for Determination of Chemical Composition
within the following limits:
E 60 Practice for Photometric and Spectrophotometric
Element Concentration Range,%
Methods for Chemical Analysis of Metals
Copper 68.0 to 72.0
Manganese 28.0 to 32.0
E 88 Practice for Sampling Nonferrous Metals and Alloys
Carbon 0.03 max
in Cast Form for Determination of Chemical Composition
Iron 0.01 max
E 135 Terminology Relating to Analytical Chemistry for
Phosphorus 0.01 max
Silicon 0.05 max
Metals, Ores, and Related Materials
Sulfur 0.01 max
E 173 Practice for Conducting Interlaboratory Studies of
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1.2 The test methods appear in the following order: Methods for Chemical Analysis of Metals
Sections E 1601 Practice for Conducting an Interlaboratory Study to
Iron by the 1,10-Phenanthroline 11-20
Evaluate the Performance of an Analytical Method
Photometric Method
Manganese by the (Ethylenedinitrilo)
3. Terminology
TetraaceticAcid (EDTA— 21-27
Back-Titrimetric Method
3.1 Definitions—For definitions of terms used in this test
Phosphorus by the
method, refer to Terminology E 135.
MolybdivanadophosphoricAcid Extraction 28-38
Photometric Method
4. Significance and Use
1.3 This standard does not purport to address all of the
4.1 These test methods for the chemical analysis of metals
safety concerns, if any, associated with its use. It is the
and alloys are primarily intended to test such materials for
responsibility of the user of this standard to establish appro-
compliance with compositional specifications. It is assumed
priate safety and health practices and determine the applica-
that all who use these test methods will be trained analysts
bility of regulatory limitations prior to use. For precaution to
capable of performing common laboratory procedures skill-
be observed in the use of certain reagents, refer to Practices
fully and safely. It is expected that work will be performed in
E 50. A specific precautionary statement is given in 24.7.
a properly equipped laboratory.
2. Referenced Documents
5. Apparatus
2
2.1 ASTM Standards:
5.1 Photometers shall conform to the requirements pre-
D 1193 Specification for Reagent Water
scribed in Practice E 60.
E 29 Practice for Using Significant Digits in Test Data to
Determine Conformance with Specifications
6. Reagents and Materials
6.1 Reagents required for each determination are listed in
separate sections of each test method. The standard solutions
1
These methods are under the jurisdiction of ASTM Committee E01 on
and certain other reagents used in more than one procedure
Analytical Chemistry for Metals, Ores, and Related Materials and are the direct
responsibility of Subcommittee E01.05 on Cu, Pb, Zn, Cd, Sn, Be, theirAlloys and shall conform to the requirements prescribed in Practices E 50.
Related Metals.
6.2 Purity of Reagents—Reagent grade chemicals shall be
CurrenteditionapprovedJune1,2004.PublishedJuly2004.Originallyapproved
used in all tests. Unless otherwise indicated, it is intended that
in 1976. Last previous edition approved in 1996 as E 581–76 (1996).
2
all reagents conform to the specifications of the Committee on
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
3
the ASTM website. Withdrawn.
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E581–04
Analytical Reagents of the American Chemical Society where 14. Stability of Color
4
such specifications are available . Other grades may be used,
14.1 The color develops within 5 min and is stable for at
provided it is first ascertained that the reagent is of sufficiently
least 4 h.
high purity to permit its use without lessening the accuracy of
the determination. 15. Interferences
6.3 Purity of Water—Unless otherwise indicated, references
15.1 Elements ordinarily present do not interfere if their
to water shall be understood to mean reagent water a
...

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