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    ชุดทดสอบคาร์บอเนต ฮาร์ดเนส 2 (1drop=18 ppm.)

    VISOCOLOR® ECO Carbonate hardness

    Titrimetric determination of carbonate hardness

    The determination is preformed as titration with hydrochloric acid against a mixed indicator, which changes colour at pH 4.5. (Reaction principle analogous to APHA 2320, DIN EN ISO 9963-1 C23 & -2 C24)

    Data and ordering information
    Cat. No. 931 014
    Type titration test

    1 drop = 1 °d (corresp. to 18 mg/l CaCO3)

    Sufficient for about 100 tests with an average hardness of 10 °d
    Shelf life at least 2 years
    Sea water suitability


    Detectable with PF-11 no

    Carbonate hardness is that portion of calcium and magnesium ions which are present as carbonate or hydrogen carbonate.

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    For more information please contact 081-847-6768 (Ms. Nareerat) IDLine: @alltestkit

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