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 27
... excess , it gives a black precipitate . There are other instances where an excess of the solution under consideration , as well as of the reagent , may redissolve , and consequently destroy , the pre- cipitate whereon the reaction is ...
... excess , it gives a black precipitate . There are other instances where an excess of the solution under consideration , as well as of the reagent , may redissolve , and consequently destroy , the pre- cipitate whereon the reaction is ...
Pagina 55
... excess of the reagent , will be formed . The solution of the precipitate in a small amount of hydrochloric acid , becomes turbid on the addition of much water . Copper is recognized when the filtrate from the preceding bis- muth ...
... excess of the reagent , will be formed . The solution of the precipitate in a small amount of hydrochloric acid , becomes turbid on the addition of much water . Copper is recognized when the filtrate from the preceding bis- muth ...
Pagina 57
... excess , added . If a precipitate is formed , it is examined as directed under ( b ) , whilst the alkaline solution or filtrate is examined as follows : It is first boiled for some time , when chro- mium will be precipitated ; its ...
... excess , added . If a precipitate is formed , it is examined as directed under ( b ) , whilst the alkaline solution or filtrate is examined as follows : It is first boiled for some time , when chro- mium will be precipitated ; its ...
Pagina 58
... excess , and solution of ammonium oxalate . Magnesium . - Sodium acetate , in slight excess , is added to the solution , and subsequently ferric chloride until a red coloration is produced . The liquid is then heated to boiling ...
... excess , and solution of ammonium oxalate . Magnesium . - Sodium acetate , in slight excess , is added to the solution , and subsequently ferric chloride until a red coloration is produced . The liquid is then heated to boiling ...
Pagina 59
... excess added . If no precipitate is formed on the addition of these reagents , the solution may be further examined as directed under group V. If , however , a precipitate is obtained , it is collected and washed on a filter , and the ...
... excess added . If no precipitate is formed on the addition of these reagents , the solution may be further examined as directed under group V. If , however , a precipitate is obtained , it is collected and washed on a filter , and 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.
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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.