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Bisulphite ion (HSO
3
-
) (anion)
The
Bisulphite ion (HSO
3
-
)
is the predominant form of FSO
2
(
free sulphur dioxide
) at
juice and wine pH values
The
Bisulphite ion (HSO
3
-
)
concentrations, as a
percentage
of
free sulphur dioxide (FSO
2
)
concentration, is very large at juice and
wine pH
values and changes only slightly with a change in pH.
