 Heat to boiling and add 10 cc. of a 10 per cent. solution of oxalic acid. Stir until the oxides of iron and aluminum are entirely dissolved and only a slight precipitate of calcium oxalate remains. Now add 200 cc. of boiling water and sufficient (20 cc.)...  The Mining World - Page 8601908Full view - About this book
 | William Albert Noyes - Chemistry - 1905 - 810 pages
...precipitate of calcium oxalate remains. Now add 200 cc. of boiling water and sufficient (20 cc.) of a saturated solution of ammonium oxalate to precipitate...heat, allow the precipitate to settle and filter on an 1 1 cm. filter. Wash the precipitate and paper ten times with hot water, using not more than 10... | |
 | Chemistry - 1905 - 814 pages
...gram, stir up with a little water, add 2o cc. of the strong acid and heat until solution is complete. precipitate the lime. Boil and stir for a few moments,...heat, allow the precipitate to settle and filter on an n cm. filter. Wash the precipitate and paper ten times with hot water, using not more than 1o or... | |
 | Richard Kidder Meade - Portland cement - 1906 - 422 pages
...iron and aluminum are entirely dissolved and only a slight precipitate of calcium oxalate remains. Now add 200 cc. of boiling water and sufficient (20 cc.)...heat, allow the precipitate to settle and filter on an 11 cm. filter. Wash the precipitate and paper ten times with hot water using not more than 10 or... | |
 | Richard Kidder Meade - Portland cement - 1906 - 418 pages
...iron and aluminum are entirely dissolved and only a slight precipitate of calcium oxalate remains. Now add 200 cc. of boiling water and sufficient (20 cc.)...heat, allow the precipitate to settle and filter on an n cm. filter. Wash the precipitate and paper ten times with hot water using not more than 10 or... | |
 | Richard Kidder Meade - Portland cement - 1906 - 422 pages
...iron and aluminum are entirely dissolved and only a slight precipitate of calcium oxalate remains. Now add 200 cc. of boiling water and sufficient (20 cc.)...saturated solution of ammonium oxalate to precipitate tin* lime. Boil and stir for a few moments, remove from the heat, allow the precipitate to settle and... | |
 | Albert Howard Low - Metallurgical analysis - 1908 - 388 pages
...aluminum hydroxides are entirely dissolved and only a slight precipitate of calcium oxalate remains. Now add 200 cc. of boiling water and sufficient (20 cc.)...saturated solution of ammonium oxalate to precipitate the calcium. Boil and stir for a few moments, remove from the heat, allow the precipitate to settle, and... | |
 | International Correspondence Schools - Cement - 1910 - 670 pages
...centimeters of boiling water and sufficient saturated solution of ammonium oxalate, say 20 cubic centimeters, to precipitate the lime. Boil and stir for a few moments,...heat, allow the precipitate to settle, and filter on an 11-centimeter filter. Wash the precipitate and paper ten times with hot water, using not more than... | |
 | Richard Kidder Meade - Portland cement - 1911 - 568 pages
...iron and alumina are entirely dissolved and only a slight precipitate of calcium oxalate remains. Now add 200 cc. of boiling- water and sufficient (20 cc....stir for a few moments, remove from the heat, allow 1 Chemical Engineer, I., 21. the precipitate to settle and filter on an 11 cm. filter. Wash the precipitate... | |
 | Richard Kidder Meade - Portland cement - 1911 - 566 pages
...iron and alumina are entirely dissolved and only a slight precipitate o{ calcium oxalate remains. Now add 200 cc. of boiling water and sufficient (20 cc.)...stir for a few moments, remove from the heat, allow i Chemical Engineer, I., 21. the precipitate to settle and filter on an 1 1 cm. filter. Wash the precipitate... | |
 | Albert Howard Low - Metallurgical analysis - 1913 - 390 pages
...aluminum hydroxides are entirely dissolved and only a slight precipitate of calcium oxalate remains. Now add 200 cc. of boiling water and sufficient (20 cc.)...saturated solution of ammonium oxalate to precipitate the calcium. Boil and stir for a few moments, remove from the heat, allow the precipitate to settle, and... | |
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