buffer solution

aqueous solution consisting of a mixture of a weak acid and its conjugate base, which resists (to a limited degree) pH change when a strong acid or base is added

bicarbonate buffering system
TE buffer
McIlvaine buffer
acetic acid/acetate buffer
Good's buffers
peritoneal dialysis fluid
Scott's tap water substitute
sample buffer
borate buffered saline
phosphate buffered saline
LB buffer
veronal acetate buffer
Lysis buffer
electrophoresis buffer
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