Chemical News and Journal of Industrial Science, Tomy 105-106Chemical news office., 1912 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 2
... sample of boron , the agglomerated and the melted , the lines in the melted being the stronger . The fact that no other observer had noticed these lines , and their being of different intensities in the two samples , proved that they ...
... sample of boron , the agglomerated and the melted , the lines in the melted being the stronger . The fact that no other observer had noticed these lines , and their being of different intensities in the two samples , proved that they ...
Strona 3
... samples and almost absent in others . This pointed to hypothesis ( b ) as probably the true one , and a search was ... sample , showed a good agreement between the two methods . The silicon was determined by the method of Otis - Handy ...
... samples and almost absent in others . This pointed to hypothesis ( b ) as probably the true one , and a search was ... sample , showed a good agreement between the two methods . The silicon was determined by the method of Otis - Handy ...
Strona 23
... samples poor in sulphur are under treatment , several combustions must be made . The Parr calorimeter is not available for petroleums on account of the small amount of sample which can be treated . apparent advantage over the rays of ...
... samples poor in sulphur are under treatment , several combustions must be made . The Parr calorimeter is not available for petroleums on account of the small amount of sample which can be treated . apparent advantage over the rays of ...
Strona 26
... samples of turpentine , the air after passing through the turpentine was washed in a flask of water . This water was found to contain considerable quantities of formic and acetic acids , also peroxide of hydrogen , but only indications ...
... samples of turpentine , the air after passing through the turpentine was washed in a flask of water . This water was found to contain considerable quantities of formic and acetic acids , also peroxide of hydrogen , but only indications ...
Strona 40
... samples have a relatively low specific gravity and lack the physical characteristics of graphite . There is no proof that the yellow oxidation product has the same composition in every case . It may be that a variety of structurally ...
... samples have a relatively low specific gravity and lack the physical characteristics of graphite . There is no proof that the yellow oxidation product has the same composition in every case . It may be that a variety of structurally ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acetic acid action added alcohol alkali alloys aluminium ammonia ammonium amount analysis apparatus atom B.Sc barium boiling bromine calcium carbon cent cerium Chem chemical Chemistry chemists chloride chromium colour compounds containing copper creatinine crucible crystallises crystals decomposed decomposition described determined dilute dioxide dissolved effect electrolytic erbium ester ether evaporated excess experiments extract ferric filtered filtrate flask formaldehyde formation gives gliadin graphite heat hydrate hydrochloric acid hydrogen hydroxide insoluble iodide iodine iron liquid magnesium magnetic manganese matter melting melting-point mercury metal method methyl mgrm mineral mixture molecular molecules nitrate nitric acid nitrogen obtained organic oxalate oxide oxidised oxygen paper phenol platinum potassium precipitate prepared present Prof quantity radium reaction residue salts samarium samples scandium separated silica Society sodium sodium hydroxide soil soluble solution substance sulphate sulphide sulphuric acid temperature thorium tion tube vanadium washed weight yield yttrium zinc