23
Some Constituents of Opium Smoke.
By Frank Browne, F. J. C.
such substances as
Moissan has shown (Comptes Rendus, 6' Dec. 1892) that the amoke of good opium extract of chandoo contained only a very small quantity of morphine and pleasant odorous substances, and that the smoke of chandoo of indifferent quality contained
pyrrole, acetone, and hydropyridic bases. In the 1908 report of the Straits settlements and Federated Malay states Opium Commission, Appendices XXIII and XXIV, are two papers on the chemistry of of cum smoke. F. Dent found that the smoke from 100 grams of chandoo yielded 0.100 gram of
oog morphine, and H. Frases and B. J. Caton obtained
B.J. an almost identical result. As gross opium extract is very largely smoked in the East, it
ammonia,
seemed to be desirable to ascertain in more detail the nature of its smoke and attention was directed. to the estimation of the carbon monoxide, hydrocy anic acid,
nia, pyridine bases, and morphine, contained therein. Fross ofuum extract is prepared by boiling together opium dross or residues from the smoking of chandoo, hálán or residues from the smoking a small quantity of dross opium extract, and of ching ko or demorphinated opium, filtering and evaporating the filtrate to a proper consistence
Of the dross opium extract 29.5
grams, prepared for smoking by a Chinese conversant
with the melts"
tubulus was
was placed
in a retort, The filled with a cork connected
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