Buffer solution
AQUEOUS SOLUTION CONSISTING OF A MIXTURE OF A WEAK ACID AND ITS CONJUGATE BASE, WHICH RESISTS PH CHANGE WHEN A STRONG ACID OR BASE IS ADDED
Chemical buffer; Buffering agent; Buffer (chemistry); Buffering solution; Buffer Solution; Buffer Solutions; Buffers (chemistry); PH Buffer; PH buffer; Buffering compound; Buffer compound; Chemical buffers; Buffering agents; Buffering compounds; Buffer compounds; Buffered solution; Buffer agent; Buffer solutions; Buffer capacity; Tribonat; Buffer range; Acid base buffers; Buffering capacity
A buffer solution (more precisely, pH buffer or hydrogen ion buffer) is an aqueous solution consisting of a mixture of a weak acid and its conjugate base, or vice versa. Its pH changes very little when a small amount of strong acid or base is added to it.