Chemical News and Journal of Industrial Science, Tomy 107-108Chemical news office., 1913 |
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Strona 7
... gives a strong nitroso - reaction ; the solution in aqueous potassium hydroxide , on warming , becomes brown , and the substance cannot be re - precipi- tated with acids . By distillation with potassium hydroxide , dimethylamine was ...
... gives a strong nitroso - reaction ; the solution in aqueous potassium hydroxide , on warming , becomes brown , and the substance cannot be re - precipi- tated with acids . By distillation with potassium hydroxide , dimethylamine was ...
Strona 17
... give crystalline products . Mercuric chloride in acetone added to an acetone solu- tion of yttrium group iodides gives no precipitate imme- diately , but in a short time a white precipitate of the chloride forms which becomes heavier as ...
... give crystalline products . Mercuric chloride in acetone added to an acetone solu- tion of yttrium group iodides gives no precipitate imme- diately , but in a short time a white precipitate of the chloride forms which becomes heavier as ...
Strona 18
... gives partial precipitation . Phenylhydrazine added to a concentrated nitrate solution of the earths gives two immiscible layers , the lower layer containing practically all of the earths . The lower layer is slightly pink and is ...
... gives partial precipitation . Phenylhydrazine added to a concentrated nitrate solution of the earths gives two immiscible layers , the lower layer containing practically all of the earths . The lower layer is slightly pink and is ...
Strona 22
... gives succinct directions for the analysis of water , the recognition and estimation of tannins , oils , and fats , and the analysis of leather , and , although the subject is treated from an elementary point of view , the book will ...
... gives succinct directions for the analysis of water , the recognition and estimation of tannins , oils , and fats , and the analysis of leather , and , although the subject is treated from an elementary point of view , the book will ...
Strona 24
... give the dicyclic compound ( C , H4N ) ( NH.CO.CHCR ) , derived from 1. 8 - naphthyri- dine . B - Amino - pyridine ... gives with strontium chloride a compound SrCl2.ZnCl2 , which decomposes on fusing . With barium chloride a similar ...
... give the dicyclic compound ( C , H4N ) ( NH.CO.CHCR ) , derived from 1. 8 - naphthyri- dine . B - Amino - pyridine ... gives with strontium chloride a compound SrCl2.ZnCl2 , which decomposes on fusing . With barium chloride a similar ...
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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