<P> 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 . Buffer solutions are used as a means of keeping pH at a nearly constant value in a wide variety of chemical applications . In nature , there are many systems that use buffering for pH regulation . For example , the bicarbonate buffering system is used to regulate the pH of blood . </P>
<P> 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 . Buffer solutions are used as a means of keeping pH at a nearly constant value in a wide variety of chemical applications . In nature , there are many systems that use buffering for pH regulation . For example , the bicarbonate buffering system is used to regulate the pH of blood . </P>
what is the function of a buffer in chemistry
what is the function of a buffer in chemistry
keeping pH at a nearly constant value in a wide variety of chemical applications
keeping pH at a nearly constant value in a wide variety of chemical applications