Test strips Pehanon 1.0-12.0
Description
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Indicator paper Pehanon from MN - pH range 1.0 - 12.0.
An easy way to measure the pH of a liquid is to use these indicator strips. These consist of paper strips with a few colored squares on them. Before use, dip the entire strip in the liquid to be tested. The square in the middle (with no number in it) will discolor. Compare these with the other squares: the color that most closely matches the color in the center indicates the approximate pH.
For measuring very small quantities, only the square without a value imprint can be dipped in the liquid. Because the other squares do not get wet, it is a less accurate method.
pH steps: pH 1
These strips are quite universal, only the pH of very strongly acidic and very strongly basic substances cannot be measured properly.