Chemical News and Journal of Industrial Science, Tomy 103-104Chemical news office., 1911 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 5
... solution of bromine , and titrating the excess bromine with a turpentine solution until the colour is discharged . In 1881 , A. H. Allen proposed a method for brominating oil in which the bromine was liberated in contact with the oil by ...
... solution of bromine , and titrating the excess bromine with a turpentine solution until the colour is discharged . In 1881 , A. H. Allen proposed a method for brominating oil in which the bromine was liberated in contact with the oil by ...
Strona 13
... solution of the salt and it was then made ammoniacal , the mesothorium II . was precipitated with the iron hydroxide . A strong y - radiation was emitted by the precipitate , while the barium chloride obtained by evaporating the solution ...
... solution of the salt and it was then made ammoniacal , the mesothorium II . was precipitated with the iron hydroxide . A strong y - radiation was emitted by the precipitate , while the barium chloride obtained by evaporating the solution ...
Strona 15
... solution ( 1:10 ) to which some hydrogen peroxide ( 2 cc . perhydrol per 100 cc . ) had been added . The same stripping solution was used a very considerable number of times . The use of a nickel cathode for zinc determinations is not ...
... solution ( 1:10 ) to which some hydrogen peroxide ( 2 cc . perhydrol per 100 cc . ) had been added . The same stripping solution was used a very considerable number of times . The use of a nickel cathode for zinc determinations is not ...
Strona 28
... solution is digested on a steam - bath for an hour with several grms . of ammonium carbonate , and on cooling more carbonate is added , and the solution is allowed to stand for twelve hours . The precipitate of silica , alumina , & c ...
... solution is digested on a steam - bath for an hour with several grms . of ammonium carbonate , and on cooling more carbonate is added , and the solution is allowed to stand for twelve hours . The precipitate of silica , alumina , & c ...
Strona 29
... solution may be obtained . It is then drawn through a Jones reductor to change all the iron to ferrous , and titrated with N / 10 potassium permanganate solution . The iron is calculated to Fe2O3 , and the alumina determined by ...
... solution may be obtained . It is then drawn through a Jones reductor to change all the iron to ferrous , and titrated with N / 10 potassium permanganate solution . The iron is calculated to Fe2O3 , and the alumina determined by ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
absorption acetic acid action alcohol alkali alloy aluminium amalgam ammonia ammonium amount analysis apparatus aqueous atomic weight B.Sc benzene boiling bromine bulb calcium carbon carbon dioxide cent cerium Chem chemical chemistry chemists chloride cobalt colour compounds concentrated condenser constant containing copper crucible crystallisation crystals D.Sc decomposed decomposition density determined dilute dioxide dissolved distilled effect electric electrolyte ether ethyl evaporated experiments filtered flask formed fractions gases gives grms heat hemolysis hydrate hydrazine hydrochloric acid hydrogen hydrogen chloride hydroxide investigation iodide iron laboratory liquid melting mercury metal method mgrms mixture molecular molecules neodymium nitrate nitric acid nitrogen obtained ordinary oxide oxidised oxygen paper platinum potassium praseodymium precipitate prepared present pressure Prof pure quantity radium reaction reagent reduced residue salt sample silver Society sodium soluble solution solvent substances sulphate sulphuric acid temperature theory tion tube vapour volume zinc