ASTM D3557 - 12

    Standard Test Methods for Cadmium in Water

    Active Standard ASTM D3557 | Developed by Subcommittee: D19.05

    Book of Standards Volume: 11.01


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    Significance and Use

    4.1 The test for cadmium is necessary because it is a toxicant and because there is a limit specified for cadmium in potable water in the National Interim Primary Drinking Water Regulations. This test serves to determine whether the cadmium content of potable water is above or below the acceptable limit.

    1. Scope

    1.1 These test methods cover the determination of dissolved and total recoverable cadmium in water and wastewater by atomic-absorption spectrophotometry and differential pulse anodic stripping voltammetry.2 Four test methods are included as follows:

     

    Concentration
    Range

    Sections

    Test Method A—Atomic Absorption,
    Direct

    0.05 to 2.0 mg/L

     7 to 15

    Test Method B—Atomic Absorption,
    Chelation-Extraction

    5 to 200 μg/L

    16 to 24

    Test Method C—Differential Pulse
    Anodic Stripping Voltammetry

    1 to 100 μg/L

    25 to 34

    Test Method D—Atomic Absorption,
    Graphite Furnace

    2 to 10 μg/L

    35 to 43


    1.2 Test Method B can be used to determine cadmium in brines. It is the user's responsibility to ensure the validity of these test methods for waters of untested matrices.

    1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are mathematical conversions and may not be exact equivalents; therefore, each system shall be used independently of the other.

    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.


    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

    D858 Test Methods for Manganese in Water

    D1066 Practice for Sampling Steam

    D1068 Test Methods for Iron in Water

    D1129 Terminology Relating to Water

    D1193 Specification for Reagent Water

    D1687 Test Methods for Chromium in Water

    D1688 Test Methods for Copper in Water

    D1691 Test Methods for Zinc in Water

    D1886 Test Methods for Nickel in Water

    D2777 Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water

    D3370 Practices for Sampling Water from Closed Conduits

    D3558 Test Methods for Cobalt in Water

    D3559 Test Methods for Lead in Water

    D3919 Practice for Measuring Trace Elements in Water by Graphite Furnace Atomic Absorption Spectrophotometry

    D4841 Practice for Estimation of Holding Time for Water Samples Containing Organic and Inorganic Constituents

    D5810 Guide for Spiking into Aqueous Samples

    D5847 Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis


    ICS Code

    ICS Number Code 13.060.50 (Examination of water for chemical substances)

    UNSPSC Code

    UNSPSC Code 11101710(Cadmium); 41115407(Atomic absorption AA spectrometers)


    DOI: 10.1520/D3557-12

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