Chemical News and Journal of Industrial Science, Tom 56Chemical news office., 1887 |
Z wnętrza książki
Wyniki 1 - 5 z 44
Strona 8
... Filtration with Exclusion of Air ; in Wood , Iron , or Bronze ; every desired size . Experimental Filter Presses in Wood , Iron or Bronze . ( Filtration Experiments , if desired , carefully conducted in our Laboratory ) . Scum - Pumps ...
... Filtration with Exclusion of Air ; in Wood , Iron , or Bronze ; every desired size . Experimental Filter Presses in Wood , Iron or Bronze . ( Filtration Experiments , if desired , carefully conducted in our Laboratory ) . Scum - Pumps ...
Strona 16
... filtered , and washed with cold water . The precipi- tate is a yellowish brown divanadate . It should not con- tain brown particles . On ignition it passes to a reddish brown , and contains 56.25 per cent of vanadic acid . Vanadic acid ...
... filtered , and washed with cold water . The precipi- tate is a yellowish brown divanadate . It should not con- tain brown particles . On ignition it passes to a reddish brown , and contains 56.25 per cent of vanadic acid . Vanadic acid ...
Strona 22
... filtration to go on better ; but even in this case the improvement has been so slight that the partial removal of magnesian salts has not justified its adoption . I do not deny the correaness of Mr. Wanklyn's results in the analyses of ...
... filtration to go on better ; but even in this case the improvement has been so slight that the partial removal of magnesian salts has not justified its adoption . I do not deny the correaness of Mr. Wanklyn's results in the analyses of ...
Strona 28
... filtered , was re - evaporated , and ignited in muffle at low red - heat , to complete expulsion of free sulphuric acid . In the product so obtained , and judging from the ordi- nary tests , the only detectable impurity was traces of ...
... filtered , was re - evaporated , and ignited in muffle at low red - heat , to complete expulsion of free sulphuric acid . In the product so obtained , and judging from the ordi- nary tests , the only detectable impurity was traces of ...
Strona 29
... filtered and washed precipitate was remarkably uniform , and , as seen from Table IV . , still further indicative of the existence of cobalt oxide or oxides of high molecular weight . TABLE IV . Cobalt taken . Oxygen found . 1.89 0'7596 ...
... filtered and washed precipitate was remarkably uniform , and , as seen from Table IV . , still further indicative of the existence of cobalt oxide or oxides of high molecular weight . TABLE IV . Cobalt taken . Oxygen found . 1.89 0'7596 ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acetic acetic ether action alcohol alkaline alkaloids alloys alumina ammonia analysis antimony antimony pentachloride apparatus aqueous atomic weight bismuth boiling bromide carbon cent Chem Chemical Notices Chemistry chemists chloric acid chloride cobalt College colour compounds containing copper crucible crystalline crystals determined didymium dilute dissolved dried elements ether euxenite evaporated examination experiments extract Extremely faint Fergusonite ferric ferric chloride filtered filtrate formed gold grms heat holmium hydrate hydrochloric acid hydrogen ignited insoluble iodide iodine iron Laboratory Lectures liquid London manufacture matter metal method mineral mixture nickel nitrate nitric acid Notices from Foreign obtained organic oxalic acid oxide oxygen paper phosphoric platinum potash potassium precipitate present Prof quantity reaction residue resin salt samarium sample Science separated siliceous silver soda sodium soluble solution spectra spectrum strong Students substance sulphate sulphide sulphuric acid temperature thorite tion tube vapour washed zinc