ASTM D4608 - 89(2009)

    Standard Test Method for Citrate in Detergents

    Active Standard ASTM D4608 | Developed by Subcommittee: D12.12

    Book of Standards Volume: 15.04


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    ASTM D4608

    Significance and Use

    This test method is suitable in research, development, and manufacturing control to monitor the level of citrate, a sequestering agent, in powder and liquid detergents.

    Accurate determination of sequestering agent is important in evaluating cost and performance of detergent products.

    1. Scope

    1.1 This test method covers a potentiometric titration procedure for the determination of citrate in liquid and powder detergents.

    1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    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. Material Safety Data Sheets are available for reagents and materials. Review them for hazards prior to usage. Specific safety precautions are given in Section 8.


    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

    E70 Test Method for pH of Aqueous Solutions With the Glass Electrode

    E180 Practice for Determining the Precision of ASTM Methods for Analysis and Testing of Industrial and Specialty Chemicals


    ICS Code

    ICS Number Code 71.100.40 (Surface active agents)

    UNSPSC Code

    UNSPSC Code 12161902(Detergent surfactants)


    DOI: 10.1520/D4608-89R09

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