ph paper

  1. G.Patton

    pH Summary

    What is pH? pH Is a measure of hydrogen ion concentration, a measure of the acidity or alkalinity of a solution. The pH scale usually ranges from 0 to 14. Aqueous solutions at 25°C with a pH less than 7 are acidic, while those with a pH greater than 7 are basic or alkaline. A pH level of 7.0 at...
  2. How pH Is measured

    How pH Is measured

    https://bbgate.com/threads/ph-summary.2773/
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