Can someone please explain me the difference between protonation and ionization? Am studying about the adsorptive mechanism of fluoride ions and came across the following sentance in a literature.
The effect of pH on the surface charge of HAp particles can
be attributed to the protonation and ionization of the OH
functional groups present at the HAp−water interface. The OH
group would be protonated below pH 8 and ionized above pH
8.
Can anyone explain me this
If pH is lower than the pKa, then the compound will be protonated. If the pH is higher than the pKa , than the compound will be deprotonated. Acids are neutral when protonated and negativelay charged ( ionised ) when deprotonated . Bases are neutral when deprotonated and positivity charged ( ionised ) when protonated.
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