See Also: Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Buffer(money)
Buffer(medicine)
buffer(1)(dictionary)
buffer(2)(dictionary)
buffer value(medicine)
buffer(encyclopedia)
buffer(dictionary)
buffer value of the blood(medicine)
Buffer Wax - Skiing(gambling)

Buffer (medicine)


buffer
<biochemistry, chemistry> A system that acts to minimise the change in concentration of a specific chemical species in solution against addition or depletion of this species.

PH buffers: weak acids or weak bases in aqueous solution. The working range is given by pKa +/ 1.

Metal ion buffers: a metal ion chelator for example EDTA, partially saturated by the metal ion acts, as a buffer for the metal ion.