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  • หน้าแรก>>Products>>Water Test Kits A-O>>pH Test Kits>>ชุดทดสอบความเป็นกรด-ด่างของน้ำ (pH 5.0 – 9.0)
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    ชุดทดสอบความเป็นกรด-ด่างของน้ำ (pH 5.0 – 9.0)

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    VISOCOLOR® alpha pH 5 – 9
    Colorimetric determination of pH-value

    A special mixture of indicator dyes assumes a characteristic colour for every pH value within the range of the kit. The favourable ratio between sample volume and amount of indicator minimises the indicator error (acid-base-error). This allows reliable pH measurements in weakly buffered solutions as well. High contents of neutral salts and colloids as well as organic solvent concentrations above 10 % can cause wrong results.

    Data and ordering information
    REF 935 075
    Type colorimetric test kit
    Range pH 5.0 · 5.5 · 6.0 · 6.5 · 7.0 · 7.5 ·
    8.0 · 8.5 · 9.0
    Sufficient for 200 determinations
    Shelf life at least 3 years
    Sea water suitability yes
    Detectable with PF-12 no

    The pH value indicates whether a water reacts acidic, alkaline or neutral. It is determined by the concentration of hydrogen ions. All biological processes in water are tied to specific pH ranges. For municipal and industrial applications, too, the control of specific pH limits is important since e. g. the efficiency of sewage plants or the corrosive action of tap water on the pipes depend in the pH value. Contrary to pH indicator papers VISOCOLOR® pH test kits can also be used to determine accurate pH values in unbuffered sample solutions.

     

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    For more information please contact +6681-443-8724 (Ms. Saowapap) 

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