Chemical News and Journal of Physical Science, Tom 100Chemical news office., 1909 |
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... Substances . - Chap . IV . Communication o Radio - activity to Substances Initially nactive . - Nature and Cause of the Phenomena of Radio - activity . CHEMICAL NEWS OFFICE , 16 , NEWCASTLE ST . , FARRINGDON ST . , E.C. NOTICE to ...
... Substances . - Chap . IV . Communication o Radio - activity to Substances Initially nactive . - Nature and Cause of the Phenomena of Radio - activity . CHEMICAL NEWS OFFICE , 16 , NEWCASTLE ST . , FARRINGDON ST . , E.C. NOTICE to ...
Strona 1
... substance are covered by 50 cc . of aqua regia in a flask of about 500 cc . and evaporated to nearly the consistence of syrup for the elimination of silicic acid . The remainder , which after cooling will be approxi- mately solid , is ...
... substance are covered by 50 cc . of aqua regia in a flask of about 500 cc . and evaporated to nearly the consistence of syrup for the elimination of silicic acid . The remainder , which after cooling will be approxi- mately solid , is ...
Strona 2
... substance was cooled in liquid air it assumed a distinct red colour , which did not persist at ordinary temperatures , the material resuming its usual appearance . Sir James was so good as to give the writer a portion of the salt for ...
... substance was cooled in liquid air it assumed a distinct red colour , which did not persist at ordinary temperatures , the material resuming its usual appearance . Sir James was so good as to give the writer a portion of the salt for ...
Strona 13
... substance boiling at a temperature above that at which the substance experimented on vaporises at ordinary atmospheric pres- sures , or better in a thermostatic trough containing some convenient heating medium such as glycerin or ...
... substance boiling at a temperature above that at which the substance experimented on vaporises at ordinary atmospheric pres- sures , or better in a thermostatic trough containing some convenient heating medium such as glycerin or ...
Strona 14
... substance . N.B.-a. The need of the thread or wire round the stopper and neck has already been explained . Otherwise the heated gases within exert sufficient pressure to keep the stopper in position , the greater the internal pressure ...
... substance . N.B.-a. The need of the thread or wire round the stopper and neck has already been explained . Otherwise the heated gases within exert sufficient pressure to keep the stopper in position , the greater the internal pressure ...
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