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    ชุดทดสอบแอซิดิตี้ (0.0-2.5 meq/100 g)

    HI 38084
    Total Exchangeable Acidity Test Kit
    Product Description:The total exchangeable acidity (TEA) is a measure of the amount of acidic cations (hydrogen, aluminum, iron and manganese) present in soil. It is expressed in milliequivalent per 100 grams (meq/100 g) of soil. The more acidic it is a soil, the lower the soil pH value will be. Soils in humid regions normally accumulate increasing amounts of exchangeable acidity as they get older. Soil acidity may develop toxicity that can damage or kill plants.

    The extraction method is the potassium chloride method. The acidic cations are firstly leached from the soil and then titrated with a standard alkali. The reaction endpoint is visually indicated by a color change (from colorless to pink) of the indicator reagent.

    Order Information:

    HI 38084 test kit comes with 380 g potassium chloride, 20 mL phenolphthalein indicator, 120 mL titrant solution, 12 L demineralized water bottle with filter cap, 1 mm soil sieve, large funnel, 100 paper filter discs, 50 mL plastic test tube with screw cap, 50 mL calibrated plastic vessel, 2 g sample cups (2), 1 g sample cup, plastic pipette, brush and spoon

    Method           Titration
    Range           0.0-2.5 meq/100 g
    Smallest Increment           0.1 meq/100 g
    Chemical Method           Potassium Chloride
    Number of Tests           100
    Weight           1027 g


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    Tel.  02-191-3928 Fax 02-191-3929

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

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