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Ion Specific Colorimeters (Photometers)
Digital Colorimeters for Ammonia, Nitrate, or Nitrite Nitrogen allow you to test water quality directly in ppm NH4, NO3, or NO2. Determine levels in soil or compost using extraction/filtration. Portable Field Meters With Laboratory Accuracy Hanna Instruments - The world’s leading manufacturer of electro-analytical instruments has the right solution to solve the problem of measuring water parameters in an easy, inexpensive and accurate way. Ion specific meters are a simpler alternative to Ion Selective Electrodes and time-consuming chemical test kits.
Specifications: Simple reagents are added to each sample to produce a color change that represents the concentration of the measured parameter. Each meter reads this change in color with a silicon photocell and shows the value of the parameter on the large LCD with lab grade accuracy from the powerful microprocessor.
Nitrite HR, ferrous sulfate method
Range: 0 to 150 mg/L (ppm)
Reagents
HI 93708-01 Reagent kit; 100 tests (NO2? HR)
Product Details...
$27.00
Average customer rating:  Total votes: 0
Ammonia LR, Nessler method
Range: 0.00 to 3.00 mg/L (ppm)
Reagents
HI 93700-01 Reagent kit; 100 tests (NH3 LR)
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$36.00
Average customer rating: Total votes: 0
Nitrate, cadmium reduction method
Range: 0.0 to 30.0 mg/L (ppm)
Reagents
HI 93728-01 Reagent kit; 100 tests (NO3?)
HI 93728-03 Reagent kit; 300 tests (NO3?)
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$54.00
Average customer rating: Total votes: 0
Nitrates are present in nature as a result of the decomposition of organic microorganisms or due to their use as fertilizers. Nitrates reduce to nitrites, which in turn easily combine to form substances dangerous to man.
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$189.00
Average customer rating: Total votes: 0
Test water quality in ppm NH4. Determining NH4 levels in soil or compost requires extraction/filtration. Range 0-3.00 ppm NH4 in increments of 0.01 ppm. Accuracy ?4% of full scale.
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$199.00
Average customer rating: Total votes: 0
Nitrites are an intermediate product in the nitrogen cycle and are produced during ammonia oxidation with water, or even originate in industrial waste directly. They must not be present in drinking water.
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$199.00
Average customer rating: Total votes: 0
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