Octet Comparator For determining total iron (dissolved, suspended and collodial) in natural waters Octet Comparator has color standards representing 0.5, 1.0, 2.0, 3.0, 4.0, 6.0, 8.0 and 10 ppm iron Bipyridyl indicator Sufficient for 100 tests Octet Comparator For determining trace…

A simple color chart kit for measuring Copper from 0.05 to 1.0 ppm. Eight color standards are provided on the chart. Economical and easy-to-use.

The Low Range Manganese test kit measures Manganese levels at 0.05, 0.1, 0.2, 0.4, 0.6, 0.8 and 1.0 ppm using the Octa-Slide 2 Comparator.