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Books Books 1 - 6 of 6 on OF ALUMINA. Nearly neutralize the filtrate with ammonia, have the solutions cool....
" OF ALUMINA. Nearly neutralize the filtrate with ammonia, have the solutions cool (not warmer than 30 C.), and add powdered carbonate of ammonia in about 2 grams excess to precipitate the aluminum. Let the precipitate settle, filter, and wash it with... "
Bulletin - Page 89
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
...until the solution is cold, filter the precipitate and wash it with very dilute II2SO4. SEPARATION OF ALUMINA. Nearly neutralize the filtrate with ammonia,...precipitate settle, filter, and wash it with warm water. If 90 URANIUM, RADIUM, AND VANADIUM. the precipitate is bulky or is at all yellow, dissolve it in a little...
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Technical Methods of Ore Analysis

Albert Howard Low - Metallurgical analysis - 1913 - 362 pages
...carbonate in about 2 grams excess. This will precipitate the aluminum and hold the uranium in solution. Let the precipitate settle, filter, and wash it with...or is at all yellow, dissolve it in a little dilute sulphuric acid and repredpitate with ammonium carbonate as before. 7. Acidify the filtrate, or combined...
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Technical Methods of Ore Analysis

Albert Howard Low - Metallurgical analysis - 1913 - 362 pages
...carbonate in about 2 grams excess. This will precipitate the aluminum and hold the uranium in solution. Let the precipitate settle, filter, and wash it with...or is at all yellow, dissolve it in a little dilute sulphuric acid and reprecipitate with ammonium carbonate as before. 7. Acidify the filtrate, or combined...
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Technical Paper, Issue 88

United States. Bureau of Mines - Mines and mineral resources - 1915
...the solution is cold; filter, and wash the precipitate with [a little very] dilute H2S04. SEPARATION OF ALUMINA. Nearly neutralize the filtrate with ammonia;...aluminum, let the precipitate settle, filter, and wash with warm water. If the precipitate is bulky or is at all yellow, dissolve it in a little dilute H2SO4...
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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
...PbSO4 settle until the solution is cold, filter the precipitate, and wash it with very dilute H2SO4. Nearly neutralize the filtrate with ammonia, have...or is at all yellow, dissolve it in a little dilute H28O4 and reprecipitate with carbonate of ammonia as described. Acidulate the filtrate from the alumina...
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The Mines Magazine, Volume 4

Mineral industries - 1914
...settle until the solution is cold, filter the precipitate and wash it with very dilute H,SO,. Separation of Alumina. Nearly neutralize the filtrate with ammonia,...is at all yellow, dissolve it In, a little dilute H.SO, and reprecipitate with carbonate of ammonia as described. Acidulate the filtrate from the alumina...
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