...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...

...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...

...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...

...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...

...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. 8. Acidify the filtrate, or combined...

...PbSO4 settle until the solution is cold, filter the precipitate and wash it with very dilute H2SO4. Nearly neutralize the filtrate with ammonia, have the solutions cool (not warmer than 30°C.), and add powdered carbonate of ammonia in about 2 g. excess to precipitate the aluminum. Let...

...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...

...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...

...settle until the solution is cold, filter it off and wash it with very little dilute HzStX Separation of Alumina.- — Nearly neutralize the filtrate with ammonia; have the solutions cool (not over 30°) and add powdered carbonate of ammonia in about 2 g. excess, let the precipitate of alumina...