ASTM D4711 - 89(2009)

    Standard Test Method for Sulfonic and Sulfuric Acids in Alkylbenzene Sulfonic Acids

    Active Standard ASTM D4711 | Developed by Subcommittee: D12.12

    Book of Standards Volume: 15.04


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    ASTM D4711

    Significance and Use

    Alkylbenzene sulfonic acids are important intermediates in the synthetic detergent industry and are defined under alkyl benzene sulfonate in Terminology D459. This test method is suitable for the rapid monitoring of the sulfonic and sulfuric acid levels, both of which have a vital bearing on final product performance and appearance.

    1. Scope

    1.1 This test method is applicable to the determination of sulfonic and sulfuric acids in branched and linear alkylbenzene sulfonic acids used as intermediates in synthetic 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.


    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

    D459 Terminology Relating to Soaps and Other Detergents

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


    ICS Code

    ICS Number Code 71.080.40 (Organic acids)

    UNSPSC Code

    UNSPSC Code 12352106(Organic acids or its substitutes); 12161902(Detergent surfactants)


    DOI: 10.1520/D4711-89R09

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