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    ชุดทดสอบความกระด้างคงเหลือของน้ำ (1 -36 ppm.)

    VISOCOLOR® HE total Hardness H 2 F 
    Titrimetric determination of total hardness

    Complexometric titration in accordance with DIN 38406 E3 and DIN 38409 H6.

    Data and ordering information
    Cat. No. 915 002 (915 202)
    Type high sensitive titration kit (refill pack)

    1 syringe is sufficient for the determination of 0.05 – 2.0 °d or 0.01 – 0.36 mmol/l Ca2+
    (corresponds to 1 – 36 mg/l CaCO3).

    Sufficient for 200 tests with an average hardness of 1 °d or 0.18 mmol/l Ca2+
    Shelf life at least 18 months
    Sea water suitability no
    Detectable with PF-11 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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    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 :


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