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Page 54
It is under the same impression that pastils are now used, or at least
to cover the _mal odeur_ of the sick-chamber.
There is not much variety in the formula of the pastils that are now in
use; we have first the
INDIAN, OR YELLOW PASTILS.
Santal-wood, in powder, 1 lb.
Gum benzoin, 1-1/2 lb.
" Tolu, 1/4 lb.
Otto of santal, }
" cassia, } each, 3 drachms.
" cloves, }
Nitrate of potass, 1-1/2 oz.
Mucilage of tragacantha, q.s. to make the whole into a stiff paste.
The benzoin, santal-wood, and Tolu, are to be powdered and mixed by
sifting them, adding the ottos. The nitre being dissolved in the
mucilage, is then added. After well beating in a mortar, the pastils are
formed in shape with a pastil mould, and gradually dried.
The Chinese josticks are of a similar composition, but contain no Tolu.
Josticks are burned as incense in the temples of the Buddahs in the
Celestial Empire, and to such an extent as to greatly enhance the value
of santal-wood.
DR. PARIS'S PASTILS.
Benzoin, }
Cascarilla, } of each, 1/4 lb.
Myrrh, 1-1/4 oz.
Charcoal, 1-1/2 lb.
Otto of nutmegs, } of each,
" cloves, } 3/4 oz.
Nitre, 2 oz.
Mix as in the preceding.
PERFUMER'S PASTILS.
Well-burned charcoal, 1 lb.
Benzoin, 3/4 lb.
Tolu, }
Vanilla pods, } of each, 1/4 lb.
Cloves, }
Otto of santal, }
" neroli, } of each, 2 dr.
Nitre, 1-1/2 oz.
Mucilage tragacantha, _q.s._
PIESSE'S PASTILS.
Willow charcoal, 1/2 lb.
Benzoic acid, 6 oz.
Otto of thyme, }
" caraway, }
" rose, } of each, 1/2 dr.
" lavender,}
" cloves, }
" santal, }
Prior to mixing, dissolve 3/4 oz. nitre in half a pint of distilled or
ordinary rose water; with this solution thoroughly wet the charcoal, and
then allow it to dry in a warm place.
When the thus nitrated charcoal is quite dry, pour over it the mixed
ottos, and stir in the flowers of benzoin. When well mixed by sifting
(the sieve is a better tool for mixing powders than the pestle and
mortar), it is finally beaten up in a mortar, with enough mucilage to
bind the whole together, and the less that is used the better.
A great variety of formul� have been published for the manufacture of
pastils; nine-tenths of them contain some woods or bark, or aromatic
seeds. Now, when such substances are burned, the chemist knows that if
the ligneous fibre contained in them undergoes combustion--the slow
combustion--materials are produced which have far from a pleasant odor;
in fact, the smell of burning wood predominates over the volatilized
aromatic ingredients; it is for this reason alone that charcoal is used
in lieu of other substances. The use of charcoal in a pastil is merely
for burning, producing, during its combustion, the heat required to
quickly volatilize the perfuming material with which it is surrounded.
The product of the combustion of charcoal is inodorous, and therefore
does not in any way interfere with the fragrance of the pastil. Such is,
however, not the case with any ingredients that may be used that are not
in themselves perfectly volatile by the aid of a small increment of
heat. If combustion takes place, which is always the case with all the
aromatic woods that are introduced into pastils, we have, besides the
volatilized otto which the wood contains, all the compounds naturally
produced by the slow burning of ligneous matter, spoiling the true odor
of the other ingredients volatilized.
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