Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3758Chemical news office., 1932 |
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Strona 258
... less than 0.003 per cent . Also , Prof. Prandtl , who had spent his life in studying the rare earth minerals , especially columbite , stated that a re - examination of this mineral with the help of Drs . Grimm and Francke failed to ...
... less than 0.003 per cent . Also , Prof. Prandtl , who had spent his life in studying the rare earth minerals , especially columbite , stated that a re - examination of this mineral with the help of Drs . Grimm and Francke failed to ...
Strona 260
... less than six oxides have been reported . the dioxide and the heptoxide are the com- monest . The former is the only one showing any basic properties whilst the latter is the anhydride of per - rhenic acid , many stable salts of which ...
... less than six oxides have been reported . the dioxide and the heptoxide are the com- monest . The former is the only one showing any basic properties whilst the latter is the anhydride of per - rhenic acid , many stable salts of which ...
Strona 264
... less at . wt . than Na , except H , of which the constant is 3196. So that the intrinsic energy of unit mass of all elements of greater at . wt . than 22 is to the intrinsic energy of unit mass of all elements of at . wt . less than 22 ...
... less at . wt . than Na , except H , of which the constant is 3196. So that the intrinsic energy of unit mass of all elements of greater at . wt . than 22 is to the intrinsic energy of unit mass of all elements of at . wt . less than 22 ...
Spis treści
The Story of the Perkins Reflector | 260 |
Decline in U S Phosphates Output | 266 |
Mohlers Test for Benzoic Acid Edward T Illing B Sc F I C | 269 |
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