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    ชุดทดสอบไนเตรท (water: 0-50 mg/L) (soil: 0-60 mg/L)

    HI 38050
    Nitrate Test Kit for Soil and Irrigation Water

    Product Description:

    The HANNA nitrate test kit for soil and irrigation water makes it possible to determine the need for nitrogen fertilization. It also obtains the best crop response and avoids over-fertilization.

    Nitrate is reduced to nitrite in the presence of cadmium. The nitrite thus produced reacts with the reagent to yield an orange compound. The amount of color developed is proportional to the concentration of nitrate present in the aqueous sample.

    The HANNA nitrate-nitrogen test can be performed the whole year round, but testing is particularly recommended during spring and late spring, when rainfall and temperature related bursts of microbiological activity often have great influence on the availability of nitrate-nitrogen.

    Order Information:

    HI 38050 test kit comes with 200 packets nitrogen reagent, checker disc, glass vials with caps (2), 10 g calcium sulfate, demineralizer bottle with filter cap for 12 L, soil sieve, 50 mL plastic test tube with screw cap, large funnel, 100 paper filter discs, brush, 50 mL calibrated vessels (2), 2 g sample cup, 3 mL plastic pipette and spoons (2)


    Method           Checker Disc
    Range           water: 0-50 mg/L
    soil: 0-60 mg/L
    Smallest Increment           water: 1 mg/L
    soil: 2 mg/L
    Chemical Method           Cadmium reduction
    Cadmium reduction
    Number of Tests           100
    Weight           1026 g



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    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

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