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, 1881 Includes the transactions of the British Pharmaceutical Conference at its 7th-64th annual meetings. |
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Pagina 6
... cold chloro- form , which dissolves from it the caffeine , leaving the citric acid undissolved . Mr. Lloyd therefore employs a mixture of 2 parts of chloroform and 1 part of alcohol , which exerts a nearly equal solvent action on both ...
... cold chloro- form , which dissolves from it the caffeine , leaving the citric acid undissolved . Mr. Lloyd therefore employs a mixture of 2 parts of chloroform and 1 part of alcohol , which exerts a nearly equal solvent action on both ...
Pagina 21
... cold water , evaporating the extract at a gentle heat , and , after mixing the syrupy mass with soda solution , agitating with benzene to extract the alkaloid . The benzene solution was then agitated with dilute sulphuric acid , and the ...
... cold water , evaporating the extract at a gentle heat , and , after mixing the syrupy mass with soda solution , agitating with benzene to extract the alkaloid . The benzene solution was then agitated with dilute sulphuric acid , and the ...
Pagina 29
... cold , but readily so in hot water . The solution of the alkaloid in pure sulphuric acid has a blue colour , which is greatly intensified by the addition of lead peroxide or potassium bichromate . In these and other reactions it ...
... cold , but readily so in hot water . The solution of the alkaloid in pure sulphuric acid has a blue colour , which is greatly intensified by the addition of lead peroxide or potassium bichromate . In these and other reactions it ...
Pagina 32
... cold , and only sparingly soluble in boiling water , but easily in alcohol or ether . It unites energetically with hydrochloric acid , but the hydrochloride does not crystallize . The platinochloride ( C10 H10 N2 H CI ) 2 Pt Cl + 2 H2O ...
... cold , and only sparingly soluble in boiling water , but easily in alcohol or ether . It unites energetically with hydrochloric acid , but the hydrochloride does not crystallize . The platinochloride ( C10 H10 N2 H CI ) 2 Pt Cl + 2 H2O ...
Pagina 35
... cold , but when warmed , hydrochloric acid imparts a slightly reddish colour , and nitric acid turns it yellow . Concentrated sulphuric acid turns it brown after some time , immediately when warmed . Platinic chloride does not ...
... cold , but when warmed , hydrochloric acid imparts a slightly reddish colour , and nitric acid turns it yellow . Concentrated sulphuric acid turns it brown after some time , immediately when warmed . Platinic chloride does not ...
Alte ediții - Afișează-le pe toate
Yearbook of Pharmacy: Comprising Abstracts of Papers Relating to Pharmacy ... Vizualizare completă - 1874 |
Yearbook of Pharmacy: Comprising Abstracts of Papers Relating to Pharmacy ... Vizualizare completă - 1880 |
Yearbook of Pharmacy: Comprising Abstracts of Papers Relating to Pharmacy ... Vizualizare completă - 1923 |
Termeni și expresii frecvente
3rd series acetic acid action alcohol alkalies alkaloid ammonia ammonium aqueous atropine bark boiling bromine camphor carbolic acid carbonate cent Chem chemical Chemistry Chemists chloride chloroform cinchona cinchonidine colour colourless compound containing crystalline crystals decomposition dilute dissolved distilled water dried Druggists ergot ether evaporated examined experiments extract ferric ferric chloride filtered filtrate fluid formula glycerin grams heat High Street hydrate hydrobromic acid hydrochloric acid hydrogen hyoscyamine insoluble iodide iodine Journ latter liquid London Manchester Messrs mixed mixture nitrate nitric acid obtained odour ounces oxide paper pepsin Pharm Pharmaceutical Pharmacopoeia Pharmacy plant portion potash potassium powder precipitate prepared present Prof proportion pure quinine reaction residue resin Road salicylic salicylic acid salt sample small quantity soda sodium soluble soluble in water solution species starch substance sugar sulphate sulphuric acid syrup temperature tincture Verlag washed Year-Book yellow yields
Pasaje populare
Pagina 306 - THE FIELDS OF GREAT BRITAIN. A Text-Book of Agriculture. Adapted to the Syllabus of the Science and Art Department. For Elementary and Advanced Students. By HUGH CLEMENTS (Board of Trade). Second Edition, Revised, with Additions.
Pagina 590 - Chemists and Medicine Vendors at Home and Abroad. Sent free by post in the United Kingdom for 8, 14, or 33 stamps.
Pagina 577 - SULPHINE strikes at the root of numerous diseases, by destroying the germs which enter the system along with the food we eat, the beverages we drink, and the air we breathe. SULPHINE purifies the blood from these sources of disease, by destroying the germs, or animated cells, which are carried by the circulation to every part of the system, and which propagate with amazing rapidity: it renders all the secretions healthy.
Pagina 257 - ... one thousand parts; lake, ten parts; pure tannin, fifteen parts ; oil of mint, oil of aniseed, and oil of orange-flowers, so much as to impart an agreeable flavor to the composition. His directions for the preparation of this toothpowder are, to rub well the lake with the tannin, and gradually add the sugar of milk, previously powdered and sifted; and lastly, the essential oils are to be carefully mixed with the powdered substances. Experience has convinced him of the efficacy of this tooth-powder,...
Pagina 417 - Two grains of it with an ounce of distilled water, to which five minims of hydrochloric acid have been added, form a mixture in which at least 100 grains of hard-boiled white of egg.
Pagina 261 - ... alone. But, after a few days, the latter compound (prepared without water) overtakes the former in hardness, and remains so. If it is desired to produce a cement which rapidly hardens, and still has considerable firmness, it is advisable to use water with the glycerine.
Pagina 58 - ... them we may obtain a clue as to which of the acids may be present in a solution. Thus with salicylic acid the reaction is not disturbed or hindered by the presence of acetic, boracic, sulphuric, nitric or hydrochloric acids (all acids in dilute condition), common salt, nitre, glycerin, alcohol, amyl alcohol or ether. It is hindered by caustic alkalies, alkaline carbonates, sodium acetate, ammonium acetate, borax, potassium iodide, sodium phosphate, oxalic, citric, tartaric, phosphoric and arsenic...
Pagina 382 - Defend me therefore, common sense, say I, From reveries so airy, from the toil Of dropping buckets into empty wells, And growing old in drawing nothing up...
Pagina 590 - 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.
Pagina 503 - Vrij found the bark of this species to yield 10'G7 of total alkaloids, with 4'72 of crystallized sulphate of quinine. " If under all conditions this bark be found to yield this amount of alkaloids, and especially quinine, it is certainly the best plant we can grow, being hardy and of rapid growth, and perfectly free from canker and other diseases to which the (rQicimilis and especially the calisaya are liable.