Chemical News and Journal of Industrial Science, Tomy 105-106Chemical news office., 1912 |
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Strona 1
... passed from the solid to the gaseous state without becoming liquid . Dr. Weintraub has not only obtained boron in a state of purity but has prepared it in a fused homogeneous form . His process consists in running one or more ...
... passed from the solid to the gaseous state without becoming liquid . Dr. Weintraub has not only obtained boron in a state of purity but has prepared it in a fused homogeneous form . His process consists in running one or more ...
Strona 2
... passed for forty or fifty minutes an accumulation of boric anhydride causes a resist- ance to the current , and it ... passing between the sparking terminals sufficient to pro- duce an impression of the copper lines on the photo- graphic ...
... passed for forty or fifty minutes an accumulation of boric anhydride causes a resist- ance to the current , and it ... passing between the sparking terminals sufficient to pro- duce an impression of the copper lines on the photo- graphic ...
Strona 8
... passed . 320. " Molecular Rotatory Power in Normal Homologous Series . Part II . The Menthyl Esters of the a - Bromo- aliphatic Acids . " By HAROLD Christopher and THOMAS PERCY HILDITCH . The effect of introducing an unsaturated group ...
... passed . 320. " Molecular Rotatory Power in Normal Homologous Series . Part II . The Menthyl Esters of the a - Bromo- aliphatic Acids . " By HAROLD Christopher and THOMAS PERCY HILDITCH . The effect of introducing an unsaturated group ...
Strona 9
... passed at an hourly rate of 50 cc . through a Jena - glass tube containing thorium oxide , and heated to 400 ° . The products of the reaction were condensed , dissolved in ether , and washed with a solution of sodium hydroxide until ...
... passed at an hourly rate of 50 cc . through a Jena - glass tube containing thorium oxide , and heated to 400 ° . The products of the reaction were condensed , dissolved in ether , and washed with a solution of sodium hydroxide until ...
Strona 29
... passing over iron , copper , lead , and zinc , whose values may be said to be well fixed by occurrence and costs of ... passed by copper and iron , and not reached by some of the metals considered below . We have all been witnesses of ...
... passing over iron , copper , lead , and zinc , whose values may be said to be well fixed by occurrence and costs of ... passed by copper and iron , and not reached by some of the metals considered below . We have all been witnesses of ...
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