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    ชุดทดสอบซิลิกา – ซิลิคอนในน้ำ (0 – 3.0 ppm.)


    Colorimetric determination of silica

    In acidic solution soluble silica or silicates react with ammonium molybdate to form yellow silicomolybdic acid, which is reduced to silico-molybdenum blue with a reducing agent.
    Phosphates interfere only in high concentrations (> 30 mg/l PO43-).
    (Reaction principle analogous to APHA 4500-SI-E, DIN EN ISO 16264-H57)

    Data and ordering information
    Cat. No. 931 033 (931 233)
    Type colorimetric test kit (refill pack)

    0 · 0.2 · 0.4 · 0.6 · 1.0 · 1.5 · 2.0 ·
    2.5 · 3.0 mg/l SiO2

    Sufficient for 100 determinations
    Shelf life at least 36 months
    Sea water suitability


    Detectable with PF-11 yes

    Natural water contains silica in different amounts, depending on the geological conditions the water encounters during its course. The silica occurs partly as soluble silicate, partly colloidal as polysilicic acids. The silica content in water for medium and high pressure boilers may not exceed certain limits; in power plants therefore constant measurement of the silica content is required.

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    Tel.  02-191-3928 Fax 02-191-3929

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

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