Ph-papers 1-12 universal 20 sheets
To check the pH of juice, wine, beer, combucha, ... or to check the acidity with the acidometer. Packed per 20 sheets with built-in colour scale ! Reading per 1 pH.
- range 1-12 pH
- division 1,0 ph
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What is pH?
pH is the measurement of the concentration of free hydrogen ions in a liquid. The pH of pure water is 7. Liquids having a larger concentration of hydrogen ions than water are acid and have a pH-value of less than 7. Liquids with a lower concentration of hydrogen ions, on the other hand, are base and have a pH value higher than 7. The pH scale runs from 1 to 14.