Journal of the Chemical Society, Part 1The Society., 1947 |
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Page 476
... nitric acid consumed appears as nitrous acid , but the amount of DNT consumed in oxidation is negligibly small compared with that consumed in nitration , provided that DNT is initially present in excess over nitric acid . This has been ...
... nitric acid consumed appears as nitrous acid , but the amount of DNT consumed in oxidation is negligibly small compared with that consumed in nitration , provided that DNT is initially present in excess over nitric acid . This has been ...
Page 489
... nitric acid was obtained by distilling a mixture of 70 % nitric acid and 98 % sulphuric acid , in a volume ratio of approx- imately 23 , at about 15 mm . pressure . Alkali titration of the distillate gave its purity as 99-97 % ( mean ) ...
... nitric acid was obtained by distilling a mixture of 70 % nitric acid and 98 % sulphuric acid , in a volume ratio of approx- imately 23 , at about 15 mm . pressure . Alkali titration of the distillate gave its purity as 99-97 % ( mean ) ...
Page 490
... nitric acid in oleum was also made up , to have the same ratio SO / H , SO , by adding pure nitric acid to the oleum medium prepared as above . Nitric acid in this solution was estimated by ferrous sulphate titration . The SO , / H2SO ...
... nitric acid in oleum was also made up , to have the same ratio SO / H , SO , by adding pure nitric acid to the oleum medium prepared as above . Nitric acid in this solution was estimated by ferrous sulphate titration . The SO , / H2SO ...
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Common terms and phrases
acetic anhydride acetone acetyl added alkaline Amer amidine amine ammonia ammonium aqueous sodium atoms benzene boiling bromide Calc CH₂ charcoal Chem chloroform colourless needles compound concentrated hydrochloric acid condensation cooled crystallised crystallised from alcohol crystals cyanide decomp derivative diazotised dilute dissolved distilled dried ester ethyl acetate experimental extracted with ether filtered filtrate formed Found fraction gave give m. p. H₂O heated hydrochloric acid hydrogen chloride hydrolysis iodide isolated light petroleum m. p. and mixed methanol Methiodide method methyl alcohol minutes mixed m. p. molecular molecule nitration nitric acid obtained oxidation pale yellow petroleum b. p. phenyl picrate polymer polymerisation potassium precipitate prepared prisms pyridine reduced pressure refluxed removed requires residue room temperature salt separated sodium carbonate sodium hydroxide solid soluble solvent stirred structure substance sulphate sulphide sulphone sulphuric acid washed yellow needles yield