ASTM C760 - 90(2007)

    Standard Test Methods for Chemical and Spectrochemical Analysis of Nuclear-Grade Silver-Indium-Cadmium Alloys

    Active Standard ASTM C760 | Developed by Subcommittee: C26.03

    Book of Standards Volume: 12.01


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    Significance and Use

    Silver-indium-cadmium alloy is used as a control material in nuclear reactors. In order to be suitable for this purpose, the material must meet the specifications for assay and impurity content. These test methods are designed to show whether or not a given material meets the specifications as given in Specification C 752.

    3.1.1 An assay is performed to determine whether the material has the chemical composition specified.

    3.1.2 The impurity content is determined to ensure that the maximum concentration limit of impurities is not exceeded.

    1. Scope

    1.1 These test methods cover procedures for the chemical and spectrochemical analysis of nuclear grade silver-indium-cadmium (Ag-In-Cd) alloys to determine compliance with specifications.

    1.2 The analytical procedures appear in the following order:

    Sections
    Silver, Indium, and Cadmium by a Titration Method 7-15
    Trace Impurities by Carrier-Distillation Spectro-
    chemical Method
    16-22

    1.3 The values stated in SI units are to be regarded as the 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. For specific hazard and precautionary statements, see Section 5 and Practices E50.

    7.1 This test method is applicable to the determination of silver, indium, and cadmium in alloys of approximately 80 % silver, 15 % indium, and 5 % cadmium used in nuclear reactor control rod applications. The titrimetric methods presented , will yield results with a bias of the order of 0.1 %.

    16.1 This test method is applicable to the determination of the trace impurities listed in 19.1 in silver-indium-cadmium alloys.


    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

    C752 Specification for Nuclear-Grade Silver-Indium-Cadmium Alloy

    D1193 Specification for Reagent Water

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

    E115 Practice for Photographic Processing in Optical Emission Spectrographic Analysis

    Other Document

    NBSCircular602Availa


    ICS Code

    ICS Number Code 77.040.30 (Chemical analysis of metals)

    UNSPSC Code

    UNSPSC Code 11101711(Non ferrous alloy)


    DOI: 10.1520/C0760-90R07

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