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Home > Chemical Test Kits > Single Parameter Test Kits

HI 3826

Ammonia Test Kit for Sea Water


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Concentrations of ammonia in rivers and drinking water reservoirs indicate the presence of agriculture or urban pollution. When the concentration of ammonia is high, it can alter the smell and taste of water. In industrial applications, high concentrations of ammonia can cause corrosion in pipes. Ammonia is also monitored in aquariums and fish farming applications because of its toxicity to fish.

The HANNA ammonia portable test kit determines the ammonia concentration in water in several easy steps. The ammonia level in mg/L (or ppm), ammonia as nitrogen is determined by a colorimetric method. The Nessler reagent reacts with ammonia, under strong alkaline conditions, to form a yellow colored complex (see equation below). An addition of Reagent 1 for Sea Water inhibits precipitation of calcium and magnesium ions due to the presence of the alkaline Nessler reagent. The color intensity of the solution determines the ammonia concentration:

2K2Hgl4 +2NH3 → NH2Hg2I3 + NH4I + 4KI

Order Information:
HI 3826 test kit comes with 20 mL plastic beaker, color comparison cube, 20 mL ammonia reagent 1 (for sea water) and 20 mL Nessler reagent.

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Method   Colorimetric
Range   0.0-2.5 mg/L
Smallest Increment   0.5 mg/L
Chemical Method   Nessler
Number of Tests   approx. 25
Weight   180 g

Click on the links below to download the Safety Data Sheet.

Reagents & Standards
HI 3826-025 Ammonia (NH3-N)

Manual: (Download)