This
indicates
that
the
interactions
mainly
responsible
for
Hg(II)
bonding/adsorption
are
not
electrostatic
, or
we
should
expect
simple
fitting
of
the
metal
ions
within
the
appropriately
sized
pores
of
the
hybrid
composite
via weak
electrostatic
interactions
between
metal
ions
and
siloxane
domains
(Figure 2(d)).