 ... sulphuric anhydride begin to come off, add water, heat until all the iron is in solution, filter off the silica ' and carbon, and wash with water acidulated with sulphuric acid. Make the filtrate nearly neutral with ammonia, and add to the beaker...  Technology Quarterly - Página 2271891Visualização integral - Acerca deste livro
 | 1891 - 346 páginas
...neutral with ammonia, and add to the beaker in which the electrolysis is to be made about one hundred times as much mercury as the weight of iron or steel...taken. The bulk of the solution should be from 300 — 500 cc Conned with the battery or dynamo current in such a way that about 2 amperes may pass through... | |
 | Edward Hart - 1891 - 744 páginas
...neutral with ammonia, and add to the beaker in which the electrolysis is to be made, about one hundred times as much mercury as the weight of iron or steel...about two amperes may pass through the solution over uight. This we have generally accomplished by using three lamps 32-candle power arranged in parallel... | |
 | Howard Van Fleet Furman - 1893 - 498 páginas
...neutral with ammonia, and add to the beaker, in which the electrolysis is to be made, about one hundred times as much mercury as the weight of iron or steel...500 cc. Connect with the battery or dynamo current so that about two amperes will pass through the solution over night. The connection with the mercury... | |
 | Howard Van Fleet Furman - 1893 - 414 páginas
...neutral with ammonia, and add to the beaker, in which the electrolysis is to be made, about one hundred times as much mercury as the weight of iron or steel...500 cc. Connect with the battery or dynamo current so that about two amperes will pass through the solution over night. The connection with the mercury... | |
 | Edgar Fahs Smith - 1894 - 156 páginas
...iron or steel taken. The bulk of the solution should be from 300-500 cc Connect with battery or dynamo in such a way that about two amperes may pass through the solution over night. . . When the solution gives no test for iron it is removed from the beaker with a pipette while the... | |
 | Thomas Bliss Stillman - 1897 - 564 páginas
...nearly neutral with ammonia, and add to the beaker in which the electrolysis is to be made, about 100 times as much mercury as the weight of iron or steel...amperes may pass through the solution over night. This is generally accomplished by using three lamps (thirty-two candle power) arranged in parallel on an... | |
 | Edgar Fahs Smith - 1902 - 248 páginas
...filtrate nearly neutral with ammonia, and add to the beaker in which the electrolysis is made about 100 times as much mercury as the weight of iron or steel taken. The volume of the solution should be from 300 to 500 cc Connect with battery or dynamo in such a way that... | |
 | Edgar Fahs Smith - 1907 - 358 páginas
...filtrate nearly neutral with ammonia, and add to the beaker in which the electrolysis is made about 100 times as much mercury as the weight of iron or steel taken. The volume of the solution should be from 300 to 500 cc Connect with battery or dynamo in such a way that... | |
 | Edgar Fahs Smith - 1907 - 354 páginas
...nltrate nearly neutral with ammonia, and add to the beaker in which the electrolysis is made about 100 times as much mercury as the weight of iron or steel taken. The volume of the solution should be from 300 to 500 cc Connect with battery or dynamo in such a way that... | |
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