ASTM E478 - 08

    Standard Test Methods for Chemical Analysis of Copper Alloys

    Active Standard ASTM E478 | Developed by Subcommittee: E01.05

    Book of Standards Volume: 03.05


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    Significance and Use

    These test methods for the chemical analysis of metals and alloys are primarily intended as referee methods to test such materials for compliance with compositional specifications. It is assumed that all who use these methods 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.

    1. Scope

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

    ElementConcentration, %
    Aluminum12.0 max
    Antimony 1.0 max
    Arsenic 1.0 max
    Cadmium 1.5 max
    Cobalt 1.0 max
    Copper40.0 min
    Iron 6.0 max
    Lead27.0 max
    Manganese 6.0 max
    Nickel50.0 max
    Phosphorus 1.0 max
    Silicon 5.0 max
    Sulfur 0.1 max
    Tin20.0 max
    Zinc50.0 max

    1.2 The test methods appear in the following order:

    Sections
    Aluminum by the Carbamate Extraction-Ethyl-
    enedinitrilotetraacetate Titrimetric Test Method [2 % to 12 %]
    71-78
    Copper by the Combined Electrodeposition Gravimetric and Oxalyldihydrazide Photometric Test Method [50 %, minimum]10-18
    Iron by the 1,10-Phenanthroline Photometric Test Method [0.003 % to 1.25 %]19-28
    Lead by Atomic Absorption Spectrometry [0.002 % to 15 %]90-100
    Lead by the Ethylenedinitrilotetraacetic Acid (EDTA) Titrimetric Test Method [2.0 % to 30.0 %]29-36
    Nickel by the Dimethylglyoxime Extraction Photometric Test Method [0.03 % to 5.0 %]37-46
    Nickel by the Dimethylglyoxime Gravimetric Test Method [4 % to 50 %]55-62
    Silver in Silver-Bearing Copper by Atomic Absorption Spectrometry [0.01 % to 0.12 %]101-112
    Tin by the Iodotimetric Titration Test Method [0.5 % to 20 %]63-70
    Tin by the Phenylfluorone Photometric Test Method [0.01 % to 1.0 %]113-123
    Zinc by Atomic Absorption Spectrometry [0.2 % to 2 %]79-89
    Zinc by the Ethylenedinitrilotetraacetic Acid (EDTA) Titrimetric Test Method [2 % to 40 %]47-54

    1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.4 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.

    10.1 This test method covers the determination of copper in concentrations greater than 50 %.

    19.1 This test method covers the determination of iron in concentrations from 0.003 % to 1.25 %.

    29.1 This test method covers the determination of lead in concentrations from 2.0 % to 30.0 %.

    37.1 This test method covers the determination of nickel in concentrations from 0.03 % to 5.0 %.

    47.1 This test method covers the determination of zinc in the range from 2 % to 40 %.

    55.1 This test method covers the determination of nickel in concentrations from 4 % to 50 %.

    63.1 This test method covers the determination of tin in concentrations from 0.5 % to 20 %.

    71.1 This test method covers the determination of aluminum in concentrations from 2 % to 12 %.

    79.1 This test method covers the determination of zinc in concentrations from 0.02 % to 2 %.

    90.1 This test method covers the determination of lead in concentrations from 0.002 % to 15 %.

    101.1 This test method covers the determination of silver in concentrations from 0.01 % to 0.12 %.

    113.1 This test method covers the determination of tin in concentrations from 0.01 % to 1.0 %.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E50 Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials

    E60 Practice for Analysis of Metals, Ores, and Related Materials by Spectrophotometry

    E135 Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials

    E173 Practice for Conducting Interlaboratory Studies of Methods for Chemical Analysis of Metals

    E255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition

    E1601 Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method


    ICS Code

    ICS Number Code 77.040.30 (Chemical analysis of metals); 77.120.30 (Copper and copper alloys)

    UNSPSC Code

    UNSPSC Code 12141711(Copper Cu)


    DOI: 10.1520/E0478-08

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