Indicator paper, roll of 5 m length, blue litmus paper, blue-red / 8,0-5,0
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Indicator paper, roll of 5 m length, blue litmus paper, blue-red / 8,0-5,0 from Gentaur.
Description: The pH indicator papers are impregnated with colored reagent solutions which allow a quick and efficient reading of the pH of all liquid solutions. Just dip a piece of pH paper in the solution you want to test and compare the color with the color scale provided.