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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.
The test is based on the reaction of the cationic polyquat with an anionic polyelectrolyte using Toluidine Blue O as the indicator. The color change is blue to purple Levels are determined using the drop count method Range and Sensitivity is 1 drop = 1 ppm Polyquat