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    ชุดทดสอบความกระด้างคงเหลือของน้ำ (0 – 5 ppm.)

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    VISOCOLOR® alpha residual Hardness
    Colorimetric determination of residual hardness

    Colorimetry with a mixed indicator
    Copper(II) ions can delay or (in higher concentrations) even block the colour change of the indicator. For this reason allow enough water to run through copper pipes prior to sampling.

    Data and ordering information
    REF 935 080
    Type colorimetric test kit
    Range 0.00 · 0.04 · 0.08 · 0.15 · 0.30 °d
    Sufficient for 200 determinations
    Shelf life at least 1 year
    Sea water suitability no
    Detectable with PF-12 no

    The total hardness of water is based on its content of alkaline earth ions (calcium and magnesium ions). This content depends on the geological conditions the water encounters during its course and may vary widely. Knowledge of the total hardness is important for the use of water in industrial as well as municipal applications, e. g. in the household as wash water or as boiler feed water in industry.

     

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  • Requesting a Quotation and Ordering Products

    131 Thailand Science Park. Innovation Cluster 1 Building,

    Klong 1, Klong Luang, Pathumthani 12120 Thailand. 

    Tel.  02-191-3928 Fax 02-191-3929


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

    E-mail : info@highents.com

     

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