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    ชุดทดสอบเหล็กในน้ำ (0.0 -1.0 ppm.)


    Colorimetric determination of iron

    Triazine method: iron(II) ions react with a triazine derivative to form a violet complex. Iron(III) ions are reduced and thus also determined.

    Data and ordering information
    Cat. No. 931 026 (931 226)
    Type colorimetric test kit (refill pack)

    0 0.04 0.07 0.10 0.15 0.20 0.30 0.50 1. mg/l Fe

    Sufficient for 100 determinations
    Shelf life at least 2 years
    Sea water suitability


    Detectable with PF-11 yes

    Natural waters as well as waste waters often contain some iron. It can be present as Fe(II) or Fe(III) ions if the pH value of the water is below 3 or if the water is free of oxygen. At higher pH values Fe(III) forms an insoluble oxyhydrate. Frequently the sample is in a transition state with finely dispersed iron oxides. In waste water and natural water containing humic acids iron is often present in the form of a complex salt.

    The VISOCOLOR® test kits only determine iron which is present in dissolved form as Fe2+or Fe3+ ions. Iron complexes are not covered unless they are decomposed by oxidation with nitric acid and sulphuric acid.

  • Requesting a Quotation and Ordering Products

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

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