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Books Books 1 - 5 of 5 on HNO3 and heat on a steam bath. Wh'en the solution is quiet, remove the cover and....
" HNO3 and heat on a steam bath. Wh'en the solution is quiet, remove the cover and evaporate to dryness. Add 3 cc of HC1 and 5 cc of water to the residue and let it stand on the steam bath for a few minutes, stirring occasionally. Dilute with 25 cc of hot... "
Bulletin - Page 88
1914
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A Preliminary Report on Uranium, Radium, and Vanadium, Volumes 70-74

Richard Bishop Moore, Karl Ludwig Kithil - Radium - 1913 - 101 pages
...permanganate as a correction for end point and rcductor errors. GRAVIMETRIC METHOD FOR VANADIUM AND UBANITTM IN CARNOTITE AND OTHER ORES. . . Treat from 2 to 5...remove the cover and evaporate to dryness. Add 3 cc of HC1 and 5 cc of water to the residue and let it stand on the steam bath for a few minutes, stirring...
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Bulletin, Volumes 68-74

Mines and mineral resources - 1913
...end point and reductor errors. GRAVIMETRIC METHOD FOB, VANADIUM AND UBANIUM IN CABNOTITB AND OTHEB ORES. Treat from 2 to 5 grams of ore, according to...stand. 15 minutes, shaking it occasionally. Add 5 cc of UNO, and heat on a steam bath. When the solution is quiet, remove the cover and evaporate to dryness....
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Technical Paper, Issue 88

United States. Bureau of Mines - Mines and mineral resources - 1915
...the volumetric determination of vanadium. GRAVIMETRIC METHOD FOR VANADIUM AND URANIUM IN CARNOTTTE. Treat from 2 to 5 grams of ore, according to the proportion...stand 15 minutes, shaking it occasionally. Add 5 cc of HNO2 and heat on a steam bath. When quiet remove the cover and evaporate to dryness. Add 3 cc of HC1...
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Analytical Methods for Certain Metals Including Cerium, Thorium, Molybdenum ...

Richard Bishop Moore, Samuel Colville Lind, John Wesley Marden, John Paul Bonardi, Charles Wesley Davis, J. E. Conley - Chemistry, Analytic - 1923 - 325 pages
...NH4OH=(NH4)aU3O7+4 NH4NO3+3 HaO. On ignition, the ammonium uranate goes to U3Og. METHOD OF PROCEDURE. Treat from 2 to 5 grams of ore, according to the proportion...remove the cover and evaporate to dryness. Add 3 cc of HC1 and 5 cc of water to the residue and let it stand on the steam bath for a few minutes, stirring...
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The Mines Magazine, Volume 4

Mineral industries - 1914
...••Blair, Analysis of iron and steel, 7th ed., p. 94. Gravimetric Method for Vanadium and Uranium in Carnotite and Other Ores. Treat from 2 to 5 grams...stand 15 minutes, shaking it occasionally. Add 5 cc of HNOa and heat on a steam bath. When the solution is quiet, remove the cover and evaporate to dryness....
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