Chemical News and Journal of Industrial Science, Tomy 115-116Chemical news office., 1917 |
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Strona 7
... sulphuric acids in a quartz dish . The residue of zinc sulphate , together with the excess of sulphuric acid , was dissolved in water and returned to the cell , and electrolysis was continued for some hours longer . Then the cell was ...
... sulphuric acids in a quartz dish . The residue of zinc sulphate , together with the excess of sulphuric acid , was dissolved in water and returned to the cell , and electrolysis was continued for some hours longer . Then the cell was ...
Strona 10
... sulphuric acid was 5 molar were made with ammonium ferric alum , after special tests had shown that the two alums gave practically identical results . EXPERIMENTAL PART . The method and apparatus used have been described in a previous ...
... sulphuric acid was 5 molar were made with ammonium ferric alum , after special tests had shown that the two alums gave practically identical results . EXPERIMENTAL PART . The method and apparatus used have been described in a previous ...
Strona 21
... sulphuric acid , are probably slightly too high . These two experiments are the only ones recorded in this paper which are affected by this source of error . None of the other metals gave an appreciable evolution of hydrogen under the ...
... sulphuric acid , are probably slightly too high . These two experiments are the only ones recorded in this paper which are affected by this source of error . None of the other metals gave an appreciable evolution of hydrogen under the ...
Strona 28
... sulphuric acid 5 metals give practically the same velocity , which , from the point of view of the diffusion theory , would be interpreted to mean that here the rate of diffusion of the ferric sulphate is determining the velocity . With ...
... sulphuric acid 5 metals give practically the same velocity , which , from the point of view of the diffusion theory , would be interpreted to mean that here the rate of diffusion of the ferric sulphate is determining the velocity . With ...
Strona 29
... sulphuric acid concentration rises from 0.25 molar to 5 molar . An increase in the viscosity retards the diffusion process by lowering the rate of diffusion , and , perhaps , to a slight extent , by increasing the thickness of the ...
... sulphuric acid concentration rises from 0.25 molar to 5 molar . An increase in the viscosity retards the diffusion process by lowering the rate of diffusion , and , perhaps , to a slight extent , by increasing the thickness of the ...
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