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Contour Comparator, 2 Contour discs with instructions, 3 cuvettes, cuvette brush, crush/stirring rods, reagents for 30 tests for each parameter (0 - 6 mg/l Cl2/..
£102.90 Ex Tax: £85.75
Free chlorine reacts with diethyl-p-phenylene diamine (DPD) in buffered solution to produce a pink coloration. The intensity of the colour is proportional to th..
£20.44 Ex Tax: £17.03