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Related article: deficiency. An excellent liniment is obtained, for example, with : Olein,
60.0 ; ol. papaver., 3900.0 ; liq. ammon. caust., 800.0. If too thick, this
is readily corrected by the addition of a little water. Pharm. Ztg., xv
(1910), No. 14, 139.
Linimentum Cajuputi et Chloroformi Compositum is suggested for inclu-
sion in the N. F. by Hugh Craig, prepared according to a formula which
he gives in the " Proceedings," 1909, 1 Purchase Famvir 154.
VasoUmentum Salicylatum 10 per cent, Improved Formula, Schnabel
states that the formula for 10 per cent, salicylated vasoliment proposed for
the G. P. V, requires the addition of alcohol to make it satisfactory, and
Digitized by
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STERILE S(>LUTIONS. 9 I
therefore recommends the following modification of the formula : Shake
10 p. salicylic acid with 5 p. absolute alcohol and add 85 p. vasoliment*
The preparation may also be made direct from the individual components,
as follows: Mix 38 p. olein (redistilled), 38 p. liquid paraffin and 3.8 p.
solution of ammon.y sp. gr. 0.91, and add to this mixture a solution of 10.2
p. salicylic acid Purchase Famvir in 10.2 p. absolute alcohol. Apoth. Ztg., xxiv (1909), No.
102, 959.
LiQUORES.
Volumetric Solutions of the U, S. P, Metalic Siher as a Suitable Ultimate
Standard. Elias Elvove observes that the very prominent position given
to volumetric analysis is in the U. S. P., and its almost exclusive use,
wherever possible, in determining whether a given substance comes up to
the required standard of purity, render it imperative that the most suit-
able ultimate standard be adopted for the necessary volumetric solutions.
It is also obvious that Purchase Famvir in considering what substance might form a suitable
ultimate standard for these solutions, we must place as of primary im-
portance the readiness with which such substance is obtainable in a pure
stale, its stability under ordinary 'conditions, its possessing the necessary
properties for admitting of its use in a volumetric process of proven
accuracy, and finally, what likelihood there is of different operators obtain-
ing such substance in different degrees of purity although working by the
amc method. After pointing out some of the objections to potassium
bilartrate which is chiefly relied on as standard in the U. S. P., the author
refers to the large number of substances that have from time to time been
suggested and used for the same purpose, pointing out their deficiencies
in some cases and pronouncing them unmistakable ; arriving at the conclu-
sion that the one substance that apparently meets all demand is " pure
silver." He says, that of all volumetric processes at present known, there
is probably not one that excels in elegance or accuracy the well-known
Volhard method for titrating silver by means of a thiocyanate solution.
In fact, its advantages are so pronounced that Shutt and Charlton have
even recommended its use in estimating the very small amounts of chlorine
in potable waters, in preference to the standard chromate method. More-
over pure metallic silver is obtainable with comparative ease, and by its
adoption as the Purchase Famvir ultimate standard for the required volumetric solutions of
tbe U. S. P., as he confidently advises, the way would be paved for leaving
such standard supplied from one source, thus making the uniformity ab-
solutely complete. Amer. Journ. Pharm. May, 19 10, 203-211.
U. S, Volumetric Solutions are discussed by A. H. Clark in reference to
ibeir keeping qualities in a paper which appears in the " Purchase Famvir Proceedings,"
1909, 874-879-
Sterile Solutions Preparation by Pharmacists. Clarissa M. Roehr
raakcs some practical observations on, and gives directions for, preparing
Digitized by VjOOQ IC
92 REPORT ON THE PROGRESS Purchase Famvir OF PHARMACY.
Sterile solutions, concluding with the following remarks which merit the
attention of pharmacists : '' The question is often asked, Can pharmacists
profitably dispense sterilized solutions? There seems but one answer.
The apparatus required is very simple, and when physicians see that phar-
macists are prepared to do this work, it is very evident that it will Purchase Famvir add to
their professional standing and also to their commercial interests."
Pacific Pharm., Dec, 1909, 249-250.
Sterilized Solutions Influence of the Components of Glass Purchase Famvir upon them.
Lesure has made some interesting observations Purchase Famvir concerning the influence
of the components of the glass containers of sterilized solutions, his inves-
tigations leading to the following conclusions : For solutions containing
hydrolyzable compounds (of the type of cocaine hydrochloride), vials of
neutral glass must be used, /. e,, such glass as under the ordinary condi-
tions of sterilization in the autoclave do not separate any alkali. Such
suitable glasses are the Jena (Schott & Co.), the Cologne Purchase Famvir (Ehrenfeld) and
the Serax glasses.
For solutions of salts forming insoluble compounds (phosphates, arsenates,
etc.), calcium-free glasses, containing instead aluminum, zinc or magnesium
silicate, should be used.
For substances less susceptible to decomposition, such as sodium caco-
dylate, methyl arsenate, strychnine salts, mercury salts, etc., glasses show-
ing faint alkalinity, under the conditions above mentioned, may be
employed.
For solutions of chlorides, bromides and iodides, glass containing lead
must be avoided.
The ideal glasses, of course, are those of quartz, which combine all the
advantages of> the others, but are practically excluded from consideration
on account of their high cost. Pharm. Ztg., Iv (1910), No. 18, 181 ; from
Journ. de Pharm. et de Chim., 1910, Nos. 2 and 3.
Sterilized Gelatin Purchase Famvir Solution, Preparation for Ampuls, " E. S." gives a
detailed description of the method of preparing sterilized gelatin solution
for ampuls as practiced in the laboratory of K. J. Kresling, in St. Peters-
burg : Using only the best quality of gelatin, too Gm. are dissolved in
1000 Gm. of water by heat in a porcelain or enameled vessel. If the re-
sulting solution is acid it must be neutralized with alkali. When cooled
to 40**-45

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