ASTM E478 – 08 Standard Test Methods for Chemical Analysis of Copper Alloys

ASTM E478 – 08 Standard Test Methods for Chemical Analysis of Copper Alloys

The chemical analysis of copper alloys having certain chemical compositions is covered in ASTM E478 – 08. The values are stated in SI units.

    Scope:

    ASTM E478 – 08 is of great significance as it is considered as a reference method to test materials for compliance with compositional specifications. It is often performed by trained specialists who are capable of performing laboratory procedures skillfully and safely.

    Procedure:

    The analytical procedures appear in the following sections:

    Test MethodSection
    Aluminum by the Carbamate Extraction-Ethyl-Enedinitrilotetracetate Titrimetric Test               Method [2 % to 12 %]71-78
    Copper by the Combined ElectrodepositionGravimetric and Oxalyldihydrazide Photomet-ric Test Method [50 %, minimum]10-18
    Iron by the 1,10-Phenanthroline PhotometricTest 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 % to30.0 %]29-36
    Nickel by the Dimethylglyoxime Extraction Pho-tometric Test Method [0.03 % to 5.0 %]37-46
    Nickel by the Dimethylglyoxime GravimetricTest Method [4 % to 50 %]55-62
    Nickel by the Dimethylglyoxime GravimetricTest Method [4 % to 50 %]55-62
    Silver in Silver-Bearing Copper by Atomic Ab-sorption Spectrometry [0.01 % to 0.12 %]101-112
    Tin by the Iodometric Titration Test Method[0.5 % to 20 %]63-70
    Tin by the Phenylfluorone Photometric TestMethod [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

    Result:

    In this way, by performing ASTM E478 – 08, chemical analysis of copper alloys can be done.

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