This kit tests for nitrite nitrogen using the diazotization/coupling reaction to form a pink color. The results are determined using the Octa-Slide 2 Comparator. Range/sensitivity is 0.05, 0.10, 0.20, 0.30, 0.40, 0.50, 0.60, 0.80 ppm NO2--N. Refill Part Number: LAMR3352
