ASTM E35-88(2002)

    Standard Test Methods for Chemical Analysis of Magnesium and Magnesium Alloys (Withdrawn 2008)

    Withdrawn Standard: ASTM E35-88(2002) | Developed by Subcommittee: E01.04

    WITHDRAWN, NO REPLACEMENT


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    Withdrawn Rationale:

    These test methods cover the chemical analysis of magnesium and magnesium alloys having chemical compositions within the following limits:

    Aluminum, %0.5 to 12
    Copper, %0.005 to 0.1
    Iron, %0.002 to 0.1
    Lead, %0.001 to 0.5
    Manganese, %0.01 to 2.0
    Nickel, %0.0005 to 0.5
    Rare earth elements, %0.2 to 10
    Silicon, %0.01 to 0.8
    Thorium, %0.2 to 25
    Tin, %0.5 to 10
    Zinc, %0.3 to 20
    Zirconium, %0.03 to 1.0
    Magnesium, %remainder

    Formerly under the jurisdiction of Committee E01 on Analytical Chemistry for Metals, Ores, and Related Materials; these test methods were withdrawn in September 2008. This standard was withdrawn with no replacement because it does not contain bias or precision data for any of the test methods and this information is now required to be included.

    1. Scope

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

    Aluminum, %0.5 to 12
    Copper, %0.005 to 0.1
    Iron, %0.002 to 0.1
    Lead, %0.001 to 0.5
    Manganese, %0.01 to 2.0
    Nickel, %0.0005 to 0.5
    Rare earth elements, %0.2 to 10
    Silicon, %0.01 to 0.8
    Thorium, %0.2 to 25
    Tin, %0.5 to 10
    Zinc, %0.3 to 20
    Zirconium, %0.03 to 1.0
    Magnesium, %remainder

    1.2 The analytical procedures appear in the following order:

    Section
    Aluminum:
    Benzoate-Oxinate (Gravimetric) Method8-15
    Sodium Hydroxide (Potentiometric) Method (Optional Routine Method)16-23
    Copper:
    Neocuproine (Photometric) Method24-33
    Hydrobromic Acid-Phosphoric Acid (Photometric) Method34-43
    Iron by the 1,10-Phenanthroline (Photometric) Method44-53
    Lead by the Dithizone (Photometric) Method54-63
    Magnesium-Analysis for Manganese an Zinc by Direct Current Plasma Spectroscopy (Proposal)
    Manganese by the Periodate (Photometric) Method64-73
    Nickel:
    Dimethylglyoxime Extraction (Photometric) Method74-83
    Dimethylglyoxime (Gravimetric) Method84.-91
    Rare Earth Elements by the Sebacate-Oxalate (Gravimetric) Method92-98
    Silicon:
    Perchloric Acid (Gravimetric) Method99-104
    Molybdosilicic Acid (Photometric) Method105-114
    Thorium by the Benzoate-Oxalate (Gravimetric) Method115-121
    Tin by the Iodine (Volumetric) Method122-129
    Zinc:
    Ethylenediamine Tetraacetate (Volumetric) Method130-137
    Potassium Ferrocyanide (Volumetric) Method138-144
    Zirconium by the Alizarin Red (Photometric) Method145-154

    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. Specific precautions are given in Section 5.



    DOI: 10.1520/E0035-88R02

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