Chemical News and Journal of Physical Science, Tom 104Chemical news office., 1911 |
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Strona 1
... heating in sealed tubes for five hours at 225 ° . The reaction product is subjected to fractional distillation ; the ... heated in sealed vessels ; secondly , iron vessels cannot be employed . From the view - point of chemical statics ...
... heating in sealed tubes for five hours at 225 ° . The reaction product is subjected to fractional distillation ; the ... heated in sealed vessels ; secondly , iron vessels cannot be employed . From the view - point of chemical statics ...
Strona 9
... heated . The heating may be by gas or electric current . The baths are so designed that the work to be accomplished by the stirrer in equalising the temperature of the different parts is a minimum , and great uniformity of temperature ...
... heated . The heating may be by gas or electric current . The baths are so designed that the work to be accomplished by the stirrer in equalising the temperature of the different parts is a minimum , and great uniformity of temperature ...
Strona 10
... heating current . Various modifications of the method are suggested , and it is stated that its use will render possible the maintenance of tem- peratures up to 1500 ° C. M. CHARLES FÉRY contributed to the Discussion a short Note on ...
... heating current . Various modifications of the method are suggested , and it is stated that its use will render possible the maintenance of tem- peratures up to 1500 ° C. M. CHARLES FÉRY contributed to the Discussion a short Note on ...
Strona 11
... heating in a vacuum at 950 ° , it is found that the small amount of water introduced owing to the use of a mercury air - pump and porcelain tubes brings about a reaction with the steel . The volume of gas obtained differs in different ...
... heating in a vacuum at 950 ° , it is found that the small amount of water introduced owing to the use of a mercury air - pump and porcelain tubes brings about a reaction with the steel . The volume of gas obtained differs in different ...
Strona 12
... heating acenaphthene with sulphur , adding sulphuretted hydrogen , again heating to 250 ° , and then re - crystallising from nitrobenzene . When graphite was heated with pure decacyclene at 430 ° a fusion curve was obtained , exactly ...
... heating acenaphthene with sulphur , adding sulphuretted hydrogen , again heating to 250 ° , and then re - crystallising from nitrobenzene . When graphite was heated with pure decacyclene at 430 ° a fusion curve was obtained , exactly ...
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Popularne fragmenty
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Strona 219 - Bismuth . . Boron . . . Bromine . . Cadmium Caesium . . Calcium . . Carbon . . Cerium . . Chlorine . . Chromium Cobalt . . Columbium . Copper . . Dysprosium . Erbium...
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