The Analytical Chemistry of UraniumLongmans, Green, and Company, 1903 - 45 páginas |
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Página 5
... evaporate , and ignite to low redness , so as to restore the characteristic yellow colour . Uranium may be electro - deposited from acetate solutions , and ignited to U2O . Separations from barium , calcium , magnesium , and zinc have ...
... evaporate , and ignite to low redness , so as to restore the characteristic yellow colour . Uranium may be electro - deposited from acetate solutions , and ignited to U2O . Separations from barium , calcium , magnesium , and zinc have ...
Página 19
... evaporation to remove any such insoluble body as silica , and reprecipitated as before . The ignited precipitate has the characteristic green colour , and may , if desired , be converted to the yellow pyrophosphate . Not more than a ...
... evaporation to remove any such insoluble body as silica , and reprecipitated as before . The ignited precipitate has the characteristic green colour , and may , if desired , be converted to the yellow pyrophosphate . Not more than a ...
Página 25
... silica is not removed by evaporation with acids prior to the precipitation , it remains insoluble on digesting the pyrophosphate with nitric acid , and can be filtered off , weighed THE SEPARATION OF URANIUM . 25 FROM SILICA.
... silica is not removed by evaporation with acids prior to the precipitation , it remains insoluble on digesting the pyrophosphate with nitric acid , and can be filtered off , weighed THE SEPARATION OF URANIUM . 25 FROM SILICA.
Página 26
... evaporate a second time with nitric acid only , in order to secure the yellow pyrophosphate free from fluorides . A mixture of hydrofluoric and sulphuric acids may also be used if the weight of the green residue is being depended upon ...
... evaporate a second time with nitric acid only , in order to secure the yellow pyrophosphate free from fluorides . A mixture of hydrofluoric and sulphuric acids may also be used if the weight of the green residue is being depended upon ...
Página 28
... Evaporation to dryness on the water - bath with a good excess of hydrochloric acid is a very satisfactory means of making the separation , because , after boiling with dilute hydrochloric acid ( 1 in 5 ) , all the tungsten is left in ...
... Evaporation to dryness on the water - bath with a good excess of hydrochloric acid is a very satisfactory means of making the separation , because , after boiling with dilute hydrochloric acid ( 1 in 5 ) , all the tungsten is left in ...
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Términos y frases comunes
20 grams acetic acid acid solution added alkaline aluminium ammonium acetate ammonium carbonate ammonium chloride amount of uranium ANALYSIS ASTRONOMY B.Sc boiling BOTANY BUILDING CONSTRUCTION CHEMICAL Coloured complete precipitation Crown 8vo D.Sc DAVID ALLAN Low Diagrams and Illustrations dissolved E. A. SCHÄFER Edition ELECTRICITY AND MAGNETISM ELEMENTARY PRACTICAL evaporated Examination Papers Fellow filter filtrate FURNEAUX GEOMETRY gram uranium green residue HARRY BREARLEY HEAT hydrochloric acid hydrogen HYDROSTATICS HYGIENE ignited Illus Illustrations and Diagrams INORGANIC Institute INTRODUCTION iron JOHN Lecturer LL.D Lond London LONGMANS Manual Maps MECHANICS MEDICINE Medium 8vo Metallurgy metals microcosmic salt mixture nitrate nitric acid numerous Examples oxide permanganate peroxide Ph.D PHYSIOGRAPHY PHYSIOLOGY PLANE Plates Professor of Engineering Professor of Physics pyrophosphate Royal 8vo separation silica sodium carbonate solution containing STEAM STRENGTH OF MATERIALS Students sulphate sulphide Surgeon Text TEXT-BOOK THEORETICAL thiosulphate THORNTON tions trations TREATISE TRIGONOMETRY University College uranate vanadium weighed WILLIAM Woodcuts zinc