Octet Comparator Method
- For determining cadmium in water using Dithizone method; commonly occurs from the deterioration of galvanized pipe
Octet comparator has color standards representing 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.8 and 1.0 ppm cadmium. For use only where organic matter is absent and ion concentrations of silver, mercury, copper, nickel, and cobalt are each below 0.5 ppm. Sufficient for 40 tests.