buffer value

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buff·er val·ue

the power of a substance in solution to absorb acid or alkali without change in pH; this is highest at a pH value equal to the pKa value of the acid of the buffer pair.
See also: buffer capacity.
Synonym(s): buffer index

buff·er val·ue

(bŭf'ĕr val'yū)
The power of a substance in solution to absorb acid or alkali without change in pH; this is highest at a pH value equal to the pKa value of the acid of the buffer pair.