demonstrated
that the as-obtained crystal product is composed of
NaHSO
4
and 39.4
and NaHSO
4
H
2
4
O. The sharp intense peaks (25.0
) implied that crystal with regular morphology was
obtained.
It was also found that all the crystal samples have the
most
intense diffraction peak at 25.9
especially at 400 W. It
implied
that the crystals predominantly expose a specific plane
and
the crystal prepared at 400 W has better crystalline. In the
following
experiments, 400 W was selected as the optimal output
power.