Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
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Strona 45
... radium in their possession , and thereby to minimise the possibility of fraud in the sale of expensive radium preparations . The work of preparing and sealing up these standards , as described by Mr. Phillips , was one of considerable ...
... radium in their possession , and thereby to minimise the possibility of fraud in the sale of expensive radium preparations . The work of preparing and sealing up these standards , as described by Mr. Phillips , was one of considerable ...
Strona 46
... radium after a time appeared to lose its power to decompose water , and he ( Mr. Glew ) sug . gested that it would be well to have a standard of oxide of uranium kept just as jealously , and under the same con- ditions , as these radium ...
... radium after a time appeared to lose its power to decompose water , and he ( Mr. Glew ) sug . gested that it would be well to have a standard of oxide of uranium kept just as jealously , and under the same con- ditions , as these radium ...
Strona 49
... radium A and radium C escaped through the emanation tube , and were fired into the walls of the outer glass tube . Twenty - four hours after the introduction of the emanation , no trace of helium was detected on compression of the gases ...
... radium A and radium C escaped through the emanation tube , and were fired into the walls of the outer glass tube . Twenty - four hours after the introduction of the emanation , no trace of helium was detected on compression of the gases ...
Strona 57
... radium emanation passes over into helium , and in recent papers by Ramsay and Cameron , these authors consider that the effect of the action of emanation upon water and copper sulphate is to produce the gases neon and perhaps argon ...
... radium emanation passes over into helium , and in recent papers by Ramsay and Cameron , these authors consider that the effect of the action of emanation upon water and copper sulphate is to produce the gases neon and perhaps argon ...
Strona 60
... Radium . - Young scientists connected by birth or residence with the county of Dorset will be interested in the essay - writing competition an- nounced in our advertising columns to day . The " Cecil " Medal and Prize will be awarded ...
... Radium . - Young scientists connected by birth or residence with the county of Dorset will be interested in the essay - writing competition an- nounced in our advertising columns to day . The " Cecil " Medal and Prize will be awarded ...
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