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    ชุดทดสอบสังกะสีในน้ำ (0.0 -3.0 ppm.)

    HI 3854

    Zinc – Range 0.0-3.0 mg/L

    Even though zinc is nontoxic to humans, concentrations higher than 5 mg/L (ppm) can leave a bitter, astringent taste.

    This level of zinc can also result in a milky color in alkaline water and is an irritant to the human digestion system. Zinc in low quantities is a beneficial and necessary element for body growth.

    Zinc is normally introduced into drinking water through industrial effluents. In addition to drinking water, zinc is measured in surface finishing, boilers and cooling towers, water conditioning and effluent waters.


    Method   Colorimetric
    Range   0.0-3.0 mg/L
    Smallest Increment   0.6 mg/L
    Chemical Method   Zincon
    Number of Tests   100
    Weight   250 g


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