Yearbook of Pharmacy: Comprising Abstracts of Papers Relating to Pharmacy, Materia Medica and Chemistry Contributed to British and Foreign Journal...with the Transactions of the British Pharmaceutical ConferenceJohn Churchill & Sons, 1880 Includes the transactions of the British Pharmaceutical Conference at its 7th-64th annual meetings. |
Dentro del libro
Resultados 1-5 de 48
Página 32
... Society . ) Butlerow and the author have shown ( Ber . xi . , 1235 ) that cincho- nine , under certain as yet undefined conditions , is decomposed by fusing potash into chinoline and a base which they have 32 YEAR - BOOK OF PHARMACY .
... Society . ) Butlerow and the author have shown ( Ber . xi . , 1235 ) that cincho- nine , under certain as yet undefined conditions , is decomposed by fusing potash into chinoline and a base which they have 32 YEAR - BOOK OF PHARMACY .
Página 36
... decomposed by alkalies when in solution , yielding free berberine . It keeps well and is not affected by exposure to the air . Should it absorb moisture from the air , the salt may be regarded as impure , and containing either free ...
... decomposed by alkalies when in solution , yielding free berberine . It keeps well and is not affected by exposure to the air . Should it absorb moisture from the air , the salt may be regarded as impure , and containing either free ...
Página 38
... decomposed with potash as above . The product is finally heated to 110 ° for six hours by a paraffin - bath , and a slow stream of dry hydrogen passed through it to remove ammonia , ether , and water . The temperature is then gradually ...
... decomposed with potash as above . The product is finally heated to 110 ° for six hours by a paraffin - bath , and a slow stream of dry hydrogen passed through it to remove ammonia , ether , and water . The temperature is then gradually ...
Página 42
... decomposed with elimination of acetic acid ; this circumstance and the analytical results show that it is an acetyl- compound of the formula C19 H20 Og . By the action of bromine a 8 compound is produced , crystallizing in prisms ( m 42 ...
... decomposed with elimination of acetic acid ; this circumstance and the analytical results show that it is an acetyl- compound of the formula C19 H20 Og . By the action of bromine a 8 compound is produced , crystallizing in prisms ( m 42 ...
Página 44
... decomposed by fuming hydrochloric acid at 300 ° . The hydrochloride combines directly with bromine to form a crystalline addition - product , which rapidly decomposes even at the ordinary temperature . On heating this bromine compound ...
... decomposed by fuming hydrochloric acid at 300 ° . The hydrochloride combines directly with bromine to form a crystalline addition - product , which rapidly decomposes even at the ordinary temperature . On heating this bromine compound ...
Otras ediciones - Ver todas
Términos y frases comunes
acetic acetic acid aconitine albumen alcohol alkali alkaloid ammonia amount Aquæ aqueous arsenic arsenic acid atropine bark boiling bottle Calisaya carbolic acid carbonate cent Chem Chemists chloride chloroform cinchona cinchonine colour compound containing crystalline crystals decomposed dilute dissolved distilled drachm dried emulsion evaporated experiments extract filtered filtrate fluid fluid ounces formula grams GREENISH heated henbane High Street hydrate hydrochloric acid hydrogen hyoscyamine insoluble iodide iodine iron Journ juice leaves liquid London Market matter mixed mixture naphtha nitrate nitric acid obtained odour ounces oxidation paper petroleum Pharm pharmacists Pharmacopoeia pharmacy plant portion potash potassium powder precipitate prepared present Professor ATTFIELD pure quantity quinine reaction residue resin Road root salt sample soda sodium soluble solution spirit substance sugar sulphate sulphuric acid Swansea syrup tannin temperature terpenes tincture trace treated turpentine volatile washed weight Year-Book yield
Pasajes populares
Página 614 - PRESCRIPTIONS; containing 3000 Prescriptions. Collected from the Practice of the most eminent Physicians and Surgeons, English and Foreign. Third Edition. 18mo. cloth, 6s. THE DRUGGIST'S GENERAL' RECEIPT-BOOK : comprising a copious Veterinary Formulary and Table of Veterinary Materia Medica ; Patent and Proprietary Medicines, Druggists
Página 583 - Chemistry, General, Medical and Pharmaceutical; Including the Chemistry of the US Pharmacopoeia. A Manual of the General Principles of the Science, and their Application to Medicine and Pharmacy. By JOHN ATTFIELD, MA, Ph.
Página 278 - ... menstruum to saturate the powder and leave a stratum above it. When the liquid begins to drop from the percolator, close the lower orifice, and, having closely covered the percolator, macerate for forty-eight hours. Then allow the percolation to proceed, gradually adding menstruum, until the hydrastis is exhausted.
Página 634 - Rheumatism, as may be seen from the Testimonials published from time to time. By the timely use of such a remedy many of the seriously afflicting disorders, which result from proper means being neglected, might be avoided and much suffering saved, for " PREVENTION is BETTER THAN CURE.
Página 634 - Sold in Boxes, price i\dt is. r}rf., and vs. gd., by G. WHELPTON & SON, 3, Crane Court, Fleet Street, London, and by Chemists and Medicine Vendors at Home and Abroad. Sent free by post in the United Kingdom for 8, 14, or 33 stamps.
Página 477 - Fifty grains dissolved in a fluid ounce of water and treated with a slight excess of ammonia give a white precipitate, which, when collected on a filter and dried, weighs eight grains. The precipitate is almost entirely soluble in pure ether, and when burned leaves but a minute residue.
Página 346 - In dissolving glue, it is best to weigh the glue, and weigh or measure the water. If not done there is a liability of getting more glue than the water can properly dissolve. It is a good plan, when once the quantity of water that any sample of glue will take up has been ascertained, to put the glue and water together at least 6 hours before heat is applied, and if...
Página 351 - Silicate of soda 60 parts Both glass and fluorspar must be in the finest possible condition, which is best done by shaking each in fine powder, with water allowing the coarser particles to deposit, and then to pour off the remainder, which holds the finest particles in suspension. The mixture must be made very rapidly by quick stirring, and when thoroughly mixed must be at once applied. This is said to yield an excellent cement.
Página 611 - Farquharson has conferred a distinct benefit on the present and future members of the medical profession, and we venture to think that his book will do much to assist the progress which therapeutics is making towards scientific exactness.'— STUDENT'S JOITHKAL.
Página 471 - First's cooks, who supplied is majesty's table with fresh oysters, " not so 'igh in flaviour" as those to which his Hanoverian Highness had been accustomed. The discoloration of syrup of iodide of iron is doubtless due mainly to the presence of free iodine ; when turbidity is present there is probably also a basic persalt of iron in suspension, which adds to the effect. To get rid of both of these it is only necessary to dilute the syrup with say a third of its volume of water, to boil briskly for...