Normally found in water and soil as ammonia (NH3), nitrate (NO3), and nitrite (NO2), nitrogen is an indispensable part of the life cycle. However, concentrations above certain levels can present problems.
Thomas No. 3241S80
Utilizing the simple color disc method, this kit measures Nitrogen, Nitrate as NO3-
Thomas No. 9866L61
Stepped color comparator offers low-cost, fast, reliable results in an easy-to-carry kit.
Contains mercury. Dispose of according to local, state and federal regulations.
Thomas No. 146803
One of Hach's most popular test kits, it uses the simple, low-cost color disc method.
Nitrogen pre-treatment kit 3241S85 is required for models NI-14* and NI-11* to remove high-level nitrite interference, color, and turbidity from samples.
Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.