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PH scale

  1. Sep 5, 2011 #1
    What is the mechanism of pH scale?
  2. jcsd
  3. Sep 5, 2011 #2
    Please read the article at http://en.wikipedia.org/wiki/PH
    which may be a satisfactory answer to your question.

    If you have any more questions relating to this topic, then feel free to post them.
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