最終更新日:2022/12/24
The sulphate of potash insoluble in this fluid, being separated by the filter; the excess of sulphuric acid was precipitated by acetate of lead; then, by decomposing this latter salt, by sulphuretted hydrogen, and again filtering and evaporating to dryness, the Cathartine, or purgative principle of senna, was obtained.
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元となった例文
The
sulphate
of
potash
insoluble
in
this
fluid,
being
separated
by
the
filter;
the
excess
of
sulphuric
acid
was
precipitated
by
acetate
of
lead;
then,
by
decomposing
this
latter
salt,
by
sulphuretted
hydrogen,
and
again
filtering
and
evaporating
to
dryness,
the
Cathartine,
or
purgative
principle
of
senna,
was
obtained.