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    ชุดทดสอบแมงกานีส (0.0 – 0.5 ppm.)

    VISOCOLOR® HE Manganese Principle:
    High sensitivity colorimetry with comparator block and colour comparison disc

    • visual evaluation
    • environment-friendly, without toxic reagents
    • economically priced
    • convenient handling
    • highest accuracy due to extremely narrow gradation
    • highest sensitivity down to 0.002 mg/l due to longer
    • measuring tubes
    • reagent bottles with clear dosing instructions
    • compensation of turbidities and colours
    • refill packs available

    Colorimetric determination of manganese

    In alkaline solution manganese ions react with formaldoxime to form an orange-red complex.
    Nickel interferes causing a yellow-green reaction colour.
    (Reaction principle analogous to DIN 38406-E2)

    Data and ordering information
    Cat. No. 920 055
    Type high sensitive test kit

    0.0 · 0.03 · 0.06 · 0.10 · 0.15 · 0.20 ·
    0.25 · 0.30 · 0.40 · 0.50 mg/l Mn

    Sufficient for 100 determinations
    Shelf life at least 18 months
    Sea water suitability

    yes, but depending on the composition of the sea water

    Detectable with PF-11 no

    Natural waters contain manganese in the divalent, soluble form as well as in colloidal tri- and tetravalent states. Valencies are interchanged by oxidation-reduction reactions taking place in the water. The test procedure determines all oxidation states of manganese.


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