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364 REPORr ON THE PROGRESS OF PHARMACY.
Caffeine Sodium SaHcylate Preparation and Properties. According to
G. Mossier, caffeine sodium salicylate is prepared by dissolving a mixture
of equal weights of caffeine and sodium salicylate in water and evaporating
to dryness; it forms a white odorless, amorphous powder, with bitter-
sweet taste, soluble in water (i in 2) and in alcohol (i in 50), Buy Kamagra Jelly Buy Kamagra Jelly the watery
solution being neutral in reaction. It answers the various tests for its con-
stituents ; to determine the proportion of caffeine present i Gm. is dis-
solved in 20 Cc. of water and the solution shaken out three times with
chloroform ; the cafleine left on evaporation of the chloroform is anhy-
drous, and should weigh 0.44 to 0.46 Gm., corresponding to 50 per cent,
of caffeine containing one molecule of water. If the caffeine obtained
from the substance is dissolved in water, a little caustic alkali added, and
the solution shaken out with chloroform, the whole of the caffeine should
be obtained again. This shows the absence of theobromine, which is not
taken out of alkaline solution by chloroform. Pharm. Joum. and Pharma-
cist, May 28, 1 9 10, 677 : from Ztschr. Algem. Oesterr. Apoth.-Ver , April
2, 1910, 141.
The Crystalline Alkaloid of Calycanthus Glaucus is the subject of a
third paper (in combination) by H. M. Gordin, which appears in the
"Proceedings," 1908, 889-891. The same author contributes a prelimi-
nary paper Buy Kamagra Jelly on
The Alkaloids of Menispermutn Canadense^ which appears on pp. 891-
892 of the same " Proceedings."
Cocaine Chloride Precaution When Using Chloroform Water as Sol-
vent. V. Zotier states that cocaine hydrochloride only gives a clear solution
with chloroform water if that is prepared with distilled water. If ordinary
water Buy Kamagra Jelly has been used in the preparation of the chloroform water a turbid
solution is produced. The turbidity is a function of the saturation of
water by chloroform, and is due to the formation of a chloroform com-
pound of the base cocaine which is liberated by the action of the calcium
carbonate of the tap water on the cocaine salt. This compound is disso-
ciated by acids and by water. Therefore the addition of a trace of Buy Kamagra Jelly acid
or 10 per cent, of water will render the liquid clear. Pharm. Joum. and
Pharmacist, Oct. 9, 1909, 451 ; from L'Union Pharm., Sept. 1909, 398.
Cinchona Alkaloids New Method of Distinction. Denig^s finds that
if 0.2 Gm. quinine, cupreine, cinchonine or cinchonidine are dissolved in
2 Cc. of glacial acetic acid Buy Kamagra Jelly and 2 Cc. of pure concentrated sulphuric acid
then added, a faint fluorescence is distinctly visible in all cases if viewed
in a magnesium light. If then 2 Cc. of formaldehyde is added, cupreine
and quinine are recognized by a distinct blue- green fluorescence, cin-
chonine a more blue, and cinchonidine a blue-violet fluorescence. On the
further addition of 3 to 4 Cc. of water, the fluorescence Buy Kamagra Jelly in the case of
cupreine disappears completely, but remains in the Buy Kamagra Jelly other alkaloids, that
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QUININE SULPHATE. 365
of quinioe being in fact augmented. The further addition of water causes
the gradual disappearance of fluorescence in the case of cinchonidine, but
that of quinine and cinchonine remains even in much greater dilution
quite distinctly visible. The author believes these reactions to serve well
for distinguishing the cinchona-alkaloids from each other. Pharm. Ztg.,
liv (1909), No. 97, 957 ; from R^p. de Pbarm., 1909^ No. 11.
Cinchona Alkaloids and Their Salts Solubilities in Water. George
L. Schaefer has determined the solubilities of the four principal cinchona
alkaloids, and of all their available salts, in water at a temperature of 25

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