A Manual of Chemical Analysis as Applied to the Examination of Medicinal Chemicals: A Guide for the Determination of Their Identity and Quality, and for the Detection of Impurities and Adulterations ...H. C. Lea's son & Company, 1883 - 624 pagina's |
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Pagina 67
... strongly heating , when it is reduced to chloride , and may then be tested by argentic nitrate . Of the more ... heated on platinum - foil , to ascertain the pre- sence or absence of organic acids . ( a ) The powdered substance is treated ...
... strongly heating , when it is reduced to chloride , and may then be tested by argentic nitrate . Of the more ... heated on platinum - foil , to ascertain the pre- sence or absence of organic acids . ( a ) The powdered substance is treated ...
Pagina 122
... strongly acid reaction . The acid containing much water does not crystallize ... strong acid , and its solvent prop- erties for the above mentioned substances ... heated with a mixture of equal parts of alcohol and concentrated sulphuric ...
... strongly acid reaction . The acid containing much water does not crystallize ... strong acid , and its solvent prop- erties for the above mentioned substances ... heated with a mixture of equal parts of alcohol and concentrated sulphuric ...
Pagina 129
... heated to redness , maintaining the tube in a nearly horizontal position , after which the tube is grad- ually ... strongly heated in a perfectly dry test - tube , the arsenic will become volatilized , and at the same time oxidized to ...
... heated to redness , maintaining the tube in a nearly horizontal position , after which the tube is grad- ually ... strongly heated in a perfectly dry test - tube , the arsenic will become volatilized , and at the same time oxidized to ...
Pagina 130
... strongly heated on platinum- foil , or by an insoluble residue when heated with a solution of potassium hydrate or hydrochloric acid . When a residue is ob- tained by either of these tests , it is collected on a filter , washed with a ...
... strongly heated on platinum- foil , or by an insoluble residue when heated with a solution of potassium hydrate or hydrochloric acid . When a residue is ob- tained by either of these tests , it is collected on a filter , washed with a ...
Pagina 134
... strongly acidulated with dilute sulphuric acid , and carefully evap orated , at a gentle heat in a porcelain capsule , until vapors of sulphuric acid begin to appear , in order to effect the removal of the nitric and nitrous acids . The ...
... strongly acidulated with dilute sulphuric acid , and carefully evap orated , at a gentle heat in a porcelain capsule , until vapors of sulphuric acid begin to appear , in order to effect the removal of the nitric and nitrous acids . The ...
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Overige edities - Alles bekijken
Manual of Chemical Analysis as Applied to the Examination of Medicinal ... Friedrich Hoffmann Geen voorbeeld beschikbaar - 2016 |
Veelvoorkomende woorden en zinsdelen
acetic acid added addition alcohol alkaline hydrates alkaloids ammonia ammonia-water ammonium sulphide amount antimony aqueous solution argentic nitrate arsenic barium chloride blue coloration bromide burette calcium carbon bisulphide cent chloroform colorless completely precipitated concentrated sulphuric acid containing crystalline cubic centimeters decomposed detected dilute sulphuric acid dissolved drops of solution ether evaporated Examination excess ferric ferrous filtered filtrate flask gentle heat grams grav hydrochloric acid hydrogen sulphide impurities indicate insoluble iodine latter liquid litmus magnesium metallic mixture neutral nitric acid number of cubic odor oxalic oxide plumbic potassium ferrocyanide potassium hydrate potassium iodide potassium or sodium powder presence produced pure readily reagent residue salt saturated with hydrogen sodium carbonate sodium hydrate solu solution of argentic solution of potassium solution of sodium spec specific gravity strongly heated subsequently sulphate sulphuric acid supersaturated tartaric acid taste temperature test-tube tested tion tube warm water of crystallization weight white precipitate yellow zinc
Populaire passages
Pagina 11 - A Treatise on Pharmacy : designed as a Text-book for the Student, and as a Guide for the Physician and Pharmaceutist.
Pagina 3 - The safest mode of remittance is by bank check or postal money order, drawn to the order of the undersigned; where these are not accessible, remittances for subscriptions may be made at the risk of the publishers by forwarding in registered letters.
Pagina 5 - In one handsome royal 12mo. volume of 816 large pages, cloth, $3 25; leather, $3 75. The arrangement of this volume in the form of question and answer renders it especially suitable for the office examination of students, and for those preparing for graduation.
Pagina 7 - MD, Professor of General and Surgical Anatomy in the Medical College of Ohio. Illustrated with three hundred and ninety-seven engravings on wood. In one large and handsome octavo volume, of over 600 large pages; extra cloth, $4 00; leather, $5 00.
Pagina 5 - AN ANALYTICAL COMPENDIUM OF THE VARIOUS BRANCHES OF MEDICAL SCIENCE; for the Use and Examination of Students. A new edition, revised and improved. In one very large and handsomely printed royal 12mo. volume, of about one thousand pages, with 374 wood-cuts.
Pagina 11 - EDITION, thoroughly revised, with numerous additions, by ROBERT P. THOMAS MD, Professor of Materia Medica in the Philadelphia College of Pharmacy.