Year-book of Pharmacy

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J. & A. Churchill, 1875
 

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Página 660 - A Manual of Chemical Analysis, as applied to the Examination of Medicinal Chemicals and their Preparations. Being a Guide for the Determination of their Identity and Quality, and for the Detection of Impurities and Adulterations. For the use of Pharmacists, Physicians, Druggists and Manufacturing Chemists, and Pharmaceutical and Medical Students.
Página 660 - Chemical Analysis. THE COMMERCIAL HANDBOOK of CHEMICAL ANALYSIS ; or Practical Instructions for the determination of the Intrinsic or Commercial Value of Substances used in Manufactures, in Trades, and in the Arts. By A. NORMANDY, Author of " Practical Introduction to Rose's Chemistry," and Editor of Rose's " Treatise on Chemical Analysis.
Página 659 - Medicinal Plants : Being descriptions, with original figures, of the Principal Plants employed in Medicine, and an account of their Properties and Uses.
Página 145 - It also possesses the advantage that the materials for its construction are to be found in every laboratory. They are : 1. A glass measuring tube of about a foot in length, drawn out at the end, which will be uppermost when the tube is used, like a Mohr's burette, and subdivided into 30 parts of equal capacity, the aggregate volume of which is 55 cc 2. A small wide-mouthed gas bottle of about 60 cc capacity. 3. A short test-tube of about 10 cc capacity, and of such height that when introduced into...
Página 271 - ... copper jacket, is a small space for holding water. The silver kettle, which fits on a ring near the top of the outer covering, has a cup-like cover, in which rice is placed, with a little water; the ginseng with water in the inner vessel; a cover placed over all, and the apparatus put on the fire. When the rice in the cover is sufficiently cooked, the medicine is ready, and is then eaten by the patient, who drinks the ginseng tea at the same time.
Página 146 - ... of glass tubing, open at both ends, and is then connected with the measuring tube by means of a piece of elastic tubing. It is now inclined so as to allow the urine to mix with the hypobromite. Effervescence at once commences, and as it proceeds the measuring tube is gradually raised so as to relieve the disengaged nitrogen from the hydrostatic pressure. The flask is shaken a few times, and when the reaction is completely over, the apparatus is left for a few minutes until it has acquired the...
Página 146 - NaHO, 250 cc of water, 25 cc of bromine) having been poured into the flask, the test-tube containing the urine is introduced by means of a forceps, care being taken that none of its contents shall spill into the hypobromite. The flask is now closed with a very accurately fitting india-rubber stopper, perforated with a hole in which is inserted a short piece of glass tubing open at both ends, and is then connected with the measuring tube by means of a piece of elastic tubing. It is now inclined so...
Página 272 - The inspection finished, each root was carefully returned to its place in the box, and this to its position on the lime; the parcels of the latter were readjusted, the outer box locked ; and my friend, with a look of relief, would sit down and continue his conversation. This man, who had a great repute for exceedingly good ginseng, was well known by the common dealers, who regarded him as an authority in his line of business. When asked as to the amount of his...
Página 171 - Fig. 5, and then remind one strongly of miniature cockle-shells (Fig. 4), with the valves open exposing the animals. This appearance is owing to the fact that, as in two or three other closely allied genera, the endocarp separates at a very early stage, and thus forms an inner case for the seed, as represented in Figs.
Página 145 - A small wide-mouthed gas bottle of about 60 cc capacity. 3. A short test-tube of about 10 cc capacity, and of such height that when introduced into the gas bottle it will stand within it in a slightly inclined position. The following are the arrangements for combining the apparatus and working an experiment : The graduated tube, held in a clamp attached to a retort stand, is depressed into a glass cylinder, nearly filled with water, until the zero mark, which is near the upper end, exactly coincides...

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