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    Durability & Exposure

    IS 14959 (Part 1):2001

    Determination of Water Soluble & Acid Soluble Chlorides in Mortar and Concrete

    Edition: 1st EditionYear: 2001Pages: 12

    About this code

    Test methods for chloride content in fresh and hardened concrete — water-soluble (free) and acid-soluble (total) chloride.

    Key sections

    1. 01Apparatus
    2. 02Sampling
    3. 03Procedures
    4. 04Calculation

    Critical clauses

    Clause 6.0Limits

    Per IS 456 clause 8.2.5 — 0.6 kg/m3 RCC, 0.4 prestressed.

    In practiceTest if aggregates from coastal areas.

    Practical implications

    For specifiers

    Specify in coastal projects.

    For suppliers

    Quarterly source testing.

    For executors

    Investigate if corrosion seen.

    FAQs

    When to test chlorides?

    Coastal aggregates, sea sand suspicion, corrosion investigation.

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    This summary is for quick reference. For legal compliance and project specification, refer to the official BIS publication. Standards are periodically updated; verify current edition with BIS before reliance.

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