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Ph vs Thymolsulphonephthalein - What's the difference?

ph | thymolsulphonephthalein |

As an abbreviation pH

is the negative of the logarithm to the base 10 of the concentration of hydrogen ions, measured in moles per liter; a measure of acidity or alkalinity of a substance, which takes numerical values from 0 (maximum acidity) through 7 (neutral) to 14 (maximum alkalinity).

As a noun thymolsulphonephthalein is

thymol blue, a brownish-green or reddish-brown crystalline powder used as a pH indicator.

ph

Translingual

(wikipedia pH)

Symbol

(head)
  • (chemistry) Measure of the acidity or basicity of an aqueous solution.
    • ----

    thymolsulphonephthalein

    English

    Alternative forms

    * thymolsulfonephthalein

    Noun

    (-)
  • Thymol blue, a brownish-green or reddish-brown crystalline powder used as a pH indicator.