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TAPSO is used to make
buffer solution 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 ...
s. It has a pKa value of 7.635 (I=0, 25°C). It can be used to make buffer solutions in the
pH range In chemistry, pH (), historically denoting "potential of hydrogen" (or "power of hydrogen"), is a scale used to specify the acidity or basicity of an aqueous solution. Acidic solutions (solutions with higher concentrations of ions) are ...
7.0-8.2.


References

{{reflist Buffer solutions