Chemical News and Journal of Industrial Science, Tomy 119-120Chemical news office., 1919 |
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Strona 1
... Material . The material that was employed for this electrolysis consisted of about 1200 grms . of the oxides of the yttrium group from which the cerium had been separated by chlorination , and almost all of the didymium = 10 138 134 130 ...
... Material . The material that was employed for this electrolysis consisted of about 1200 grms . of the oxides of the yttrium group from which the cerium had been separated by chlorination , and almost all of the didymium = 10 138 134 130 ...
Strona 15
... materials by subjecting them to the impelling influence of an indented cylinder revolving at a high speed ( diam . 18 " , speed approaching 3000 r.p.m. ) , thereby obtaining a whirl of the material in an annular space ( 6 " radial depth ) ...
... materials by subjecting them to the impelling influence of an indented cylinder revolving at a high speed ( diam . 18 " , speed approaching 3000 r.p.m. ) , thereby obtaining a whirl of the material in an annular space ( 6 " radial depth ) ...
Strona 24
... material has been accumulated . POPULAR CHEMICAL DICTI NARY . - We understand tha Mr. C. T. Kingzett , F.I.C. , the Chairman of the " Sanitas " Co. , Ltd. , and who was one of the original founders of the Institute of Chemistry , is ...
... material has been accumulated . POPULAR CHEMICAL DICTI NARY . - We understand tha Mr. C. T. Kingzett , F.I.C. , the Chairman of the " Sanitas " Co. , Ltd. , and who was one of the original founders of the Institute of Chemistry , is ...
Strona 29
... material was care- fully purified and was freed from cerium and thorium . The earths were converted to the oxides , and from this mixture of the oxides a neutral solution of the nitrates was pre- pared . The concentration of the ...
... material was care- fully purified and was freed from cerium and thorium . The earths were converted to the oxides , and from this mixture of the oxides a neutral solution of the nitrates was pre- pared . The concentration of the ...
Strona 52
... material available at this time for the preparation of 3 - chloropropionic acid , the method described by Drushel ( Am . Journ . Sci . , 1912 , xxxiv . , 69 ) for preparing esters of B - chloropropionic acid was used . Fifty grms . of 3 ...
... material available at this time for the preparation of 3 - chloropropionic acid , the method described by Drushel ( Am . Journ . Sci . , 1912 , xxxiv . , 69 ) for preparing esters of B - chloropropionic acid was used . Fifty grms . of 3 ...
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