Home Cosmetic Science Talk Formulating General What do the letters ‘pH’ stand for?

  • What do the letters ‘pH’ stand for?

    Posted by Margaret on March 7, 2023 at 9:12 am

    I’ve read that ‘pH’ stands for ‘the power of hydrogen’, and I had NEVER read that in ANY chemistry text book, EVER. Is this a new definition or B.S.?

    I learned the definition of ‘pH’ to be ‘negative log of the hydrogen ion concentration’.

    PhilGeis replied 1 year, 2 months ago 3 Members · 3 Replies
  • 3 Replies
  • fareloz

    March 7, 2023 at 11:23 am
  • Margaret

    March 7, 2023 at 12:54 pm

    Thanks for the link to the video. It was neat.

    He DID show a chart that declared soap & shampoo to have pHs of 11, which is wrong, but otherwise, it was a good video.

  • PhilGeis

    March 8, 2023 at 5:37 am

    As he said, terminology “pH” - “p” means the negative log value, here concentration, and “H” refers to hydrogen ion.

    and pH balanced is largely BS.

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