Chemical News and Journal of Industrial Science, Tomy 109-110Chemical news office., 1914 |
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Strona 3
... material capable of producing these two effects simul- taneously is usually called a depolariser . The action of the ... materials which , when added to the electrolyte , will not chemically react with it , and will diminish the current ...
... material capable of producing these two effects simul- taneously is usually called a depolariser . The action of the ... materials which , when added to the electrolyte , will not chemically react with it , and will diminish the current ...
Strona 10
... material examined by Hesse had been heated with hydriodic acid . Hesse himself shows that he could not obtain " chrysophanol methyl ether " and " emodinol methyl ether " in a state of purity , and the evidence he adduces does not seem ...
... material examined by Hesse had been heated with hydriodic acid . Hesse himself shows that he could not obtain " chrysophanol methyl ether " and " emodinol methyl ether " in a state of purity , and the evidence he adduces does not seem ...
Strona 14
... Material . — A material containing gadolinium with only sufficient traces of terbium to colour the oxide orange - brown was first submitted to fractionation with dimethyl phosphoric acid . The oxide of this crude gadolinium was ...
... Material . — A material containing gadolinium with only sufficient traces of terbium to colour the oxide orange - brown was first submitted to fractionation with dimethyl phosphoric acid . The oxide of this crude gadolinium was ...
Strona 33
... material had been prepared it was his intention to study the action of hydrogen bromide , but it was necessary in order thoroughly to investigate the products of this reaction that considerable quantities of material should be available ...
... material had been prepared it was his intention to study the action of hydrogen bromide , but it was necessary in order thoroughly to investigate the products of this reaction that considerable quantities of material should be available ...
Strona 43
... material by these expensive methods . Although it suggested itself as possible that the production of this compound from pyrogallol was in reality due to the presence of traces of a second compound in this sub- stance , this seems not ...
... material by these expensive methods . Although it suggested itself as possible that the production of this compound from pyrogallol was in reality due to the presence of traces of a second compound in this sub- stance , this seems not ...
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