Chemical News and Journal of Industrial Science, Tomy 131-132Chemical news office., 1925 |
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Strona 21
... oxidation of quin- izarin with lead peroxide . The first investi- gator used benzene as solvent , whilst the latter worked with glacial acetic acid . This oxidation product is unstable , whereas the oxidation product obtained by the ...
... oxidation of quin- izarin with lead peroxide . The first investi- gator used benzene as solvent , whilst the latter worked with glacial acetic acid . This oxidation product is unstable , whereas the oxidation product obtained by the ...
Strona 30
... oxidation of am- monia . June 19th . 15,710 . Cicali , G. - Apparatus for synthe- sis of ammonia . June 17th . 15,621 ... oxide of zircon- ium . Abstract Published This Week . 233,029 . - Treating copper ores . - Taplin , T. J. , 16 ...
... oxidation of am- monia . June 19th . 15,710 . Cicali , G. - Apparatus for synthe- sis of ammonia . June 17th . 15,621 ... oxide of zircon- ium . Abstract Published This Week . 233,029 . - Treating copper ores . - Taplin , T. J. , 16 ...
Strona 65
... oxide , as carbonate , as zine mercury thiocyanate , and by electrolysis . Volumetri- cally , zine is generally determined in- directly . Methods are found based on neutralisation , oxidation including iodimetry and the permanganate ...
... oxide , as carbonate , as zine mercury thiocyanate , and by electrolysis . Volumetri- cally , zine is generally determined in- directly . Methods are found based on neutralisation , oxidation including iodimetry and the permanganate ...
Strona 67
... Oxide ( Gravimetricaly ) . Euler's ( 30 ) work on the quantitative transforma- tion of ZnSO , to ZnO by the strong heat of the Teclu burner has been confirmed by the work of Gutbier and Starb ( 29 ) . G. Spacu ( 31 ) estimates zinc as ...
... Oxide ( Gravimetricaly ) . Euler's ( 30 ) work on the quantitative transforma- tion of ZnSO , to ZnO by the strong heat of the Teclu burner has been confirmed by the work of Gutbier and Starb ( 29 ) . G. Spacu ( 31 ) estimates zinc as ...
Strona 84
... oxide , carbonate , sulfide ( chloride , or phosphate . Indirect methods take up those where interfering elements are moved , then the direct methods are applied . The principle involved is the replacing of a weak acid radical by a ...
... oxide , carbonate , sulfide ( chloride , or phosphate . Indirect methods take up those where interfering elements are moved , then the direct methods are applied . The principle involved is the replacing of a weak acid radical by a ...
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acid action addition amount appears application Association atoms becomes bismuth British carbon cent Chemical Chemistry coal complete compounds containing copper crystals determined direct effect electric electrode elements ENGINEERS experiments fact give given glass heat hydrogen important increase indicated industry Institute interest iron Laboratory lead less light lines liquid London manufacture Marks material matter means measured meeting Merton House metal method mineral Mines mixture nature Notes obtained Office oxide Patents physical plant possible Post Free precipitate prepared present production properties Published pure quantity reaction reference Research Royal Salisbury Square salts scientific shown Society sodium solution standard structure substance sulphur surface Table temperature theory tion tons Trade United various volume zinc