ASTM E34 Chemical Analysis of Aluminum and Aluminum-Base Alloys

The chemical analysis of aluminum and aluminum-based alloys with a definite composition is covered in ASTM E34.

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    ASTM E34 is used for metals and alloys to ensure that the materials meet compositional standards. All users of these test methods are expected to be qualified analysts capable of completing conventional laboratory operations competently and safely. The job will most likely be done in a professionally equipped laboratory.

    Test Procedure:

    The analytical procedures appear in the following sections:

    Test MethodSection
    Beryllium by the morin (fluorometric) test method8-19
    Bismuth by the thiourea (photometric) test method20-29
    Boron by the carmine (photometric) test method30-38
    Chromium by the diphenylcarbazide (photometric) test method39-47
    Chromium by the persulfate oxidation (titrimetric) test method48-53
    Copper by the neocuproine (photometric) test method54-63
    Copper and lead by the electrolytic (gravimetric) test method64-72
    Iron by the 1,10-phenanthroline (photometric) test method73-81
    Iron by the 1,10-phenanthroline (photometric) test method82-87
    Magnesium by the ethylenediamine tetraacetate (titrimetric) test method88-93
    Manganese by the periodate (photometric) test method94-102
    Nickel by the dimethylglyoxime (photometric) test method103-111
    Nickel by the dimethylglyoxime (gravimetric) test method112-117
    Silicon by the molybdisilicic acid (photometric) test method118-127
    Silicon by the sodium hydroxide-Perchloric acid (gravimetric) test method128-133
    Tin by the iodate (titrimetric) test method134-140
    Titanium by the chromotropic acid (photometric) test method141-150

    Video 01: Tests for aluminum ion

    Specimen size:

    The diameter of the drill bits should not be less than 0.95 cm (3⁄8 in.) and not larger than 1.27 cm (1⁄2 in.) in diameter for ASTM E34 testing.


    For ASTM E34, the percentage of each test method is calculated, and values are rounded to the necessary number of decimal places using the practice’s rounding procedure. 


    ASTM E34 is used for metals and alloys to ensure that the materials meet compositional standards.


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