pK

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See also: pk, PK, and .pk

Translingual[edit]

Abbreviation[edit]

pK

  1. (chemistry) the negative logarithm (to the base 10) of the dissociation constant of an electrolyte.
  2. (chemistry) the pH at which equal concentrations of the acidic and basic forms of a substance are present.
  3. (metrology) Symbol for the picokelvin, an SI unit of thermodynamic temperature equal to 10−12 kelvins.

Derived terms[edit]