Octet Comparator Method (9859C70 and C71) For determining ammonia nitrogen in water using Nessler method Octet Comparator has color standards representing 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0 and 8.0 ppm ammonia nitrogen Sufficient for 50 tests Octa-Slide Comparator Method…