Chemical News and Journal of Industrial Science, Tomy 115-116Chemical news office., 1917 |
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Strona 7
... added to the original solution . Then concentrated sulphuric acid in excess of the amount necessary to convert the bromide to sulphate was added , as well as nitric acid , and the solution was gently heated on an electric stove in order ...
... added to the original solution . Then concentrated sulphuric acid in excess of the amount necessary to convert the bromide to sulphate was added , as well as nitric acid , and the solution was gently heated on an electric stove in order ...
Strona 20
... added , thus showing conspicuously the much greater velocity in the presence of chloride ion . It is certain ... added at the out- set , produced a large decrease in the reaction velocity . ( NOTE . - A part of the silver sulphate added ...
... added , thus showing conspicuously the much greater velocity in the presence of chloride ion . It is certain ... added at the out- set , produced a large decrease in the reaction velocity . ( NOTE . - A part of the silver sulphate added ...
Strona 21
... added , thus proving that the reaction is to some extent reversible . Suver and cadmium electrodes show a like behaviour . All potentials in the table are referred to the normal calomel electrode as +0.560 volts , but no correc- tions ...
... added , thus proving that the reaction is to some extent reversible . Suver and cadmium electrodes show a like behaviour . All potentials in the table are referred to the normal calomel electrode as +0.560 volts , but no correc- tions ...
Strona 55
... added . After agitation and solution of the perborate , sodium hydroxide is added to strong alkaline reaction and the mixture boiled for ten minutes to decom- pose the excess of perborate . The solution is now cooled to room temperature ...
... added . After agitation and solution of the perborate , sodium hydroxide is added to strong alkaline reaction and the mixture boiled for ten minutes to decom- pose the excess of perborate . The solution is now cooled to room temperature ...
Strona 62
... added till all permanganate colour is discharged , and then the pink colour is brought back again by means of N / 10 KMnO4 . The end - point must be taken to permanent pink , i.e. , a pink that is permanent for at least five minutes ...
... added till all permanganate colour is discharged , and then the pink colour is brought back again by means of N / 10 KMnO4 . The end - point must be taken to permanent pink , i.e. , a pink that is permanent for at least five minutes ...
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