ASTM C40-04

    Historical Standard: ASTM C40-04 Standard Test Method for Organic Impurities in Fine Aggregates for Concrete

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    1. Scope

    1.1 This test method covers two procedures for an approximate determination of the presence of injurious organic impurities in fine aggregates that are to be used in hydraulic cement mortar or concrete. One procedure uses a standard color solution and the other uses a glass color standard.

    1.2 The values given in SI units are to be regarded as the standard. The values given in parentheses are for information only.

    1.3 This standard does not purport to address all of the safety problems, 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

    C33 Specification for Concrete Aggregates

    C87 Test Method for Effect of Organic Impurities in Fine Aggregate on Strength of Mortar

    C125 Terminology Relating to Concrete and Concrete Aggregates

    C702 Practice for Reducing Samples of Aggregate to Testing Size

    D75 Practice for Sampling Aggregates

    D1544 Test Method for Color of Transparent Liquids (Gardner Color Scale)


    ICS Code

    ICS Number Code 91.100.30 (Concrete and concrete products)

    UNSPSC Code

    UNSPSC Code 30111800(Aggregates); 30111500(Concrete and mortars)


    DOI: 10.1520/C0040-04

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