Complete colour comparison kit TESTOVAL Iron for fast manual analysis of the iron content in water in the concentration range 0 - 10 mg/l Fe. The individual values 0.25 mg/l, 0.5 mg/l, 1 mg/l, 2.5 mg/l, 5 mg/l and 10 mg/l can be read by optical colour comparison. In addition to the three reagents, the kit includes a colour comparator for easy concentration determination.Meer tonenMinder tonen