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Low Range Nitrite Checker HC for Freshwater:
The HI 707 uses an adaptation of EPA diazotization method 354.1. The reaction between nitrite and the reagent causes a pink tint in the sample.
Designed as a more accurate alternative to chemical test kits, the HI 707 provides quick, accurate results in four easy steps..
Order Information:The HI 707 Checker®HC is supplied with 2 cuvettes and caps, reagent starter kit (6 packets of nitrite LR reagent), 1 x 1.5V AAA battery, and an instruction manual.