 | Manuel Eissler - 1895 - 204 Seiten
...easy to recover the gold from it. 4. It must not be more electro-positive than the anode, in order to prevent return currents being generated when the depositing current is stopped. The most suitable metal for the purpose is lead, rolled out in very thin sheets, and this is accordingly... | |
 | Sir Thomas Kirke Rose - 1898 - 618 Seiten
...easy to recover the gold from it, and (4) that it must not be electro-positive to the anode, in order to prevent return currents being generated when the depositing current is stopped. A fifth requirement might be added, that the gold should be separable from the cathode without destroying... | |
 | 1902 - 584 Seiten
...constant diffusion by a steady flow through the precipitating box. 36. Conditions that the Siemens- Halske Cathode Must Fulfil. — The cathode should be a material...sheets of lead 2 ft. X 3 ft. ; this gives each frame IS square feet of surface. There are 87 frames in each precipitating box, giving an exposed surface... | |
 | 1902 - 586 Seiten
...flow through the precipitating box. 36. Conditions that the Siemens- Halske Cathode Must Kul HI. — -The cathode should be a material to which the gold...depositing current is stopped. Thin sheet lead has been adopte as the most suitable metal for the cathode of the Siemer Halske method of precipitation. The... | |
 | Henry Forbes Julian, Edgar Smart - 1904 - 478 Seiten
...easy to recover the gold from it. " 4. It must not be more electro-positive than the anode, in order to prevent return currents being generated when the depositing current is stopped. The most suitable metal was found to be lead, which in the form of lead foil meets all requirements,... | |
 | James Park - 1906 - 308 Seiten
...easy to recover the gold from it. 4. It must not be more electro-positive than the anode, in order to prevent return currents being generated when the depositing current is stopped. The most suitable metal was found to be lead, which, in the form of foil, meets all the requirements,... | |
 | Thomas Kirke Rose - 1906 - 580 Seiten
...easy to recover the gold from it, and (4) that it must not be electro-positive to the anode, in order to prevent return currents being generated when the depositing current is stopped. A fifth requirement might be added, that the gold should be separable from the cathode without destroying... | |
 | Institution of Electrical Engineers - 1896 - 944 Seiten
...easy to recover the gold from it. " 4. It must not be more electro-positive than the anode, in " order to prevent return currents being generated " when the depositing current is stopped The most " suitable metal for the purpose is lead, .... and " meets all the requirements of the case."... | |
 | Institution of Mining and Metallurgy (Great Britain) - 1895 - 510 Seiten
...easy to recover the gold from it. 4. It must not be more electro-positive than the anode, in order to prevent return currents being generated when the depositing current is stopped. The most suitable metal for the purpose is lead, rolled out into very thin sheets. The lead sheets... | |
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FCLFIL. 1. The precipitated gold must adhere to it. 2. It must be capable of being rolled out into very thin. sheets to avoid unnecessary expense. 3. It must be easy to recover the gold from it. 4. It must not be more electro-positive than the anode,... 