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    ชุดทดสอบความเป็นกรด-ด่างของน้ำ 4.0 – 10.0 pH

    HI 38058
    pH Test Kit (pH 4.0 – 10.0)
    Product Description:pH represents acidity or alkalinity of an aqueous solution and is proportional to the hydrogen-ion concentration of the solution. Under neutral conditions water is dissociated into the (OH)— and H+ ions in equal ratio and hence it has a pH of 7. When bases or acids are added to a water solution they ionize, increasing the concentration of (OH)—  or H+, respectively. Thus solutions with a pH of 1-3 contain strong acids, whereas those with a pH of 4-6 contain weak acids.Weak bases result in solutions of pH 8-10 and strong bases in pH of 11-13.Order Information:

    HI 38058 test kit comes with 30 mL pH 4.0-10.0 reagent, checker disc, glass vials with caps (2) and 3 mL plastic pipette.


    Method           Checker Disc
    Range           4.0-10.0 pH
    Smallest Increment           0.5 pH
    Chemical Method           pH indicator
    Number of Tests           100
    Weight           215 g


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