Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
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Strona 2
... mixture in a Perrot - furnace , and then agglomerates the mass by pressure . These masses are then heated in an electric furnace with a current of 1000 ampères at 50 volts pressure for seven to eight minutes . In this way Moissan states ...
... mixture in a Perrot - furnace , and then agglomerates the mass by pressure . These masses are then heated in an electric furnace with a current of 1000 ampères at 50 volts pressure for seven to eight minutes . In this way Moissan states ...
Strona 4
... mixture of a quantity of rare earth oxides from a considerable amount of titanic acid with which they were mixed , by dissolving in nitric acid and evaporating to dryness on the water - bath in a platinum basin , as one would proceed ...
... mixture of a quantity of rare earth oxides from a considerable amount of titanic acid with which they were mixed , by dissolving in nitric acid and evaporating to dryness on the water - bath in a platinum basin , as one would proceed ...
Strona 8
... mixture was boiled a minute , settled , filtered , and the precipitate was washed with hot water until a drop of the filtrate gave no chlorine reaction . The filtrate was concentrated , transferred to a 200 cc . flask , cooled , and ...
... mixture was boiled a minute , settled , filtered , and the precipitate was washed with hot water until a drop of the filtrate gave no chlorine reaction . The filtrate was concentrated , transferred to a 200 cc . flask , cooled , and ...
Strona 22
... mixture used in all cases . The mixtures were made in the following proportions : - ( 1 ) Al2O3 + 4A ] ; ( 2 ) 2A1 + 3CaO ; ( 3 ) 2Al + 3MgO ; ( 4 ) 3Ca + Al2O3 ; ( 5 ) Ca + MgO ; ( 6 ) Mg + CaO ; ( 7 ) 3Mg + Al2O3 . It was found that ...
... mixture used in all cases . The mixtures were made in the following proportions : - ( 1 ) Al2O3 + 4A ] ; ( 2 ) 2A1 + 3CaO ; ( 3 ) 2Al + 3MgO ; ( 4 ) 3Ca + Al2O3 ; ( 5 ) Ca + MgO ; ( 6 ) Mg + CaO ; ( 7 ) 3Mg + Al2O3 . It was found that ...
Strona 23
... Mixtures of alkaline nitrate and carbonate attack it monomethylamine is formed as the result of a simple only slightly at ... mixture is then heated for half - an - hour on the water CHEMICAL NEWS , Jan. 8 , 1909 23 Chemical Notices from ...
... Mixtures of alkaline nitrate and carbonate attack it monomethylamine is formed as the result of a simple only slightly at ... mixture is then heated for half - an - hour on the water CHEMICAL NEWS , Jan. 8 , 1909 23 Chemical Notices from ...
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