ASTM D2035 - 13

    Standard Practice for Coagulation-Flocculation Jar Test of Water

    Active Standard ASTM D2035 | Developed by Subcommittee: D19.03

    Book of Standards Volume: 11.02


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    Significance and Use

    5.1 This practice permits the evaluation of various coagulants and coagulant aids used in the treatment of water and waste water for the same water and the same experimental conditions.

    5.2 The effects of concentration of the coagulants and coagulant aids and their order of addition can also be evaluated by this practice.

    1. Scope

    1.1 This practice covers a general procedure for the evaluation of a treatment to reduce dissolved, suspended, colloidal, and nonsettleable matter from water by chemical coagulation-flocculation, followed by gravity settling. The procedure may be used to evaluate color, turbidity, and hardness reduction.

    1.2 The practice provides a systematic evaluation of the variables normally encountered in the coagulation-flocculation process.

    1.3 The values stated in SI units are to be regarded as standard.

    1.4 This standard does not purport to address 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

    D1129 Terminology Relating to Water

    D1193 Specification for Reagent Water

    D1293 Test Methods for pH of Water

    D3370 Practices for Sampling Water from Closed Conduits

    D6855 Test Method for Determination of Turbidity Below 5 NTU in Static Mode

    D7315 Test Method for Determination of Turbidity Above 1 Turbidity Unit (TU) in Static Mode


    ICS Code

    ICS Number Code 13.060.30 (Sewage water)

    UNSPSC Code

    UNSPSC Code 47101500(Water treatment and supply equipment)


    DOI: 10.1520/D2035-13

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