Chemical News and Journal of Physical Science, Tom 115Chemical news office., 1917 |
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Strona 10
... concentration determined once for all by reducing duplicate samples in a Jones reductor and titrating with 002 normal perman- ganate . The ferrous iron concentration at various stages of the reaction was found by direct titration with ...
... concentration determined once for all by reducing duplicate samples in a Jones reductor and titrating with 002 normal perman- ganate . The ferrous iron concentration at various stages of the reaction was found by direct titration with ...
Strona 18
... concentration of ferric salt the expression C - co- ( c - co ) , in which C and co are the initial concentrations of ferric and ferrous salt respectively , and c is the titre of the solution at time t . This method of calculation is ...
... concentration of ferric salt the expression C - co- ( c - co ) , in which C and co are the initial concentrations of ferric and ferrous salt respectively , and c is the titre of the solution at time t . This method of calculation is ...
Strona 21
... concentrations of the solutions were only approximate , and the potential readings changed somewhat with the time ... concentration considerably larger than that of the ferric chloride itself , 21 It is evident that this substitution ...
... concentrations of the solutions were only approximate , and the potential readings changed somewhat with the time ... concentration considerably larger than that of the ferric chloride itself , 21 It is evident that this substitution ...
Strona 28
... concentration of free sulphuric acid above 0.25 molar produces in all cases a marked decrease in the observed reaction velocity . In general , the activity of an oxidising agent is increased by a rise in the concentration of hydrogen ...
... concentration of free sulphuric acid above 0.25 molar produces in all cases a marked decrease in the observed reaction velocity . In general , the activity of an oxidising agent is increased by a rise in the concentration of hydrogen ...
Strona 29
... concentration it exerts a strong retarding influence on the rate of solution . From the standpoint of the diffusion theory the explanation of this effect is clear . The important factor here is the viscosity of the solution , which is ...
... concentration it exerts a strong retarding influence on the rate of solution . From the standpoint of the diffusion theory the explanation of this effect is clear . The important factor here is the viscosity of the solution , which is ...
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