Chemical News and Journal of Industrial Science, Tomy 107-108Chemical news office., 1913 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 2
... treated with 50 cc . of kerosene ( boiling point up to 300 ° C. ) until completely dissolved . Mineral matter can be removed either before nitrosation by centrifuging the kerosene solu- tion or afterwards by pouring it with the ...
... treated with 50 cc . of kerosene ( boiling point up to 300 ° C. ) until completely dissolved . Mineral matter can be removed either before nitrosation by centrifuging the kerosene solu- tion or afterwards by pouring it with the ...
Strona 18
... treated separately with acetone solutions of quinine , and the precipitates handled like those with brucine . The acetone is very difficult to remove from the quinine . The com- pounds 4LaONO3.C20H24N2O2 , 4NdONO3.C20H24 N2O2 , 4Y1ONO3 ...
... treated separately with acetone solutions of quinine , and the precipitates handled like those with brucine . The acetone is very difficult to remove from the quinine . The com- pounds 4LaONO3.C20H24N2O2 , 4NdONO3.C20H24 N2O2 , 4Y1ONO3 ...
Strona 23
... treated very fully both from a technological and scientific point of view , and , far - reaching and complicated as the subject is , the author has been very successful in producing a really comprehensive account of it . OBITUARY ...
... treated very fully both from a technological and scientific point of view , and , far - reaching and complicated as the subject is , the author has been very successful in producing a really comprehensive account of it . OBITUARY ...
Strona 30
... treated with acetone , the whole transferred to a flask and shaken until the residue was very finely divided and the extraction apparently complete . In no case was filtration made unless the residue had remained in contact with the ...
... treated with acetone , the whole transferred to a flask and shaken until the residue was very finely divided and the extraction apparently complete . In no case was filtration made unless the residue had remained in contact with the ...
Strona 34
... treated with alkaline oxidising agents . In explaining the reactions of disulphides with concen- trated sulphuric ... treat . ment with bromime a tribromoxylenol meiting at 183 ° , which , it was suggested , might be identical with ...
... treated with alkaline oxidising agents . In explaining the reactions of disulphides with concen- trated sulphuric ... treat . ment with bromime a tribromoxylenol meiting at 183 ° , which , it was suggested , might be identical with ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
absorption acetic acetone actinium action alcohol alkali alloy ammonia ammonium amount analysis apparatus aqueous atomic weight B.Sc boiling bromine calcium carbon cent cerium Chem chemical Chemistry chemists chloride colour compounds concentrated condenser containing copper crystallisation crystals decomposed decomposition density derivatives determined dilute dioxide dissolved distillate electric electrolytic elements erbium ether experiments explosives filter formation formula fraction gases gives grms heated holmium hydrate hydrochloric acid hydrofluoric acid hydrogen hydroxide investigation iodide iodine iron lanthanum liquid melting metal method methyl mgrms mixture molecular molecules neodymium nickel nitrate nitric acid nitrogen nitroglycerin obtained ordinary osmotic pressure oxide oxidised oxygen paper platinum potassium potassium nitrite precipitate prepared present Prof pure quantity reaction residue salt shown silver Society sodium soluble solution solvent sublimate substance sulphate sulphide sulphuric acid temperature thorium tion Trans tube vapour yellow yield yttrium zinc