Journal of the Indian Chemical Society, Volume 20The Society, 1943 - Chemistry |
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acetic acid acetone acidified activity added adsorbed adsorption alkali amount aqueous solution benzene biguanide boiling carbon cent CH₂ charcoal Chem chemical chlorine atoms coagulation cobalt colloidal colour colourless complex compounds Conc concentration CONHR constant crystallised crystals curves D.Sc decomposition dilute distilled dried electrolyte enzyme equiv ester ethyl evaporated EXPERIMENTAL experiments extracted with ether ferric chloride filtered formation formed fraction gel-forming mixtures glucose glycerides H₂O heated hydration hydrochloric acid hydrogen hydrolysis hydroxide increase Indian Chem iodide ions liquid malonic acid melting method methyl alcohol molecular molecule nickel nitrate nitrogen observed obtained oxalic acid oxidation oxidised oxygen potassium nitrite precipitate prepared presence pyridine quantity R₁ rauwolscine reaction reduced requires residue salts sodium soluble solvent studied substance sulphate sulphuric acid TABLE Temp temperature thorium velocity viscosity washed water-bath yellow yield ΙΟ