Journal of the Chemical Society, Part 1The Society., 1947 |
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Page 81
... sodium nitrite ( 6 g . ) in water ( 50 c.c. ) , and after complete tetrazotisation had taken place urea ( 1 g . ) was added to remove excess of nitrous acid . The filtered solution was divided into three equal parts which were added ...
... sodium nitrite ( 6 g . ) in water ( 50 c.c. ) , and after complete tetrazotisation had taken place urea ( 1 g . ) was added to remove excess of nitrous acid . The filtered solution was divided into three equal parts which were added ...
Page 128
... sodium nitrite ( 4 g . ) in water ( 20 c.c. ) is then added rapidly with vigorous stirring ( total volume 100 c.c. ) . The filtered solution is next stirred into a mixture of chalk , ice , and a little ether ( to abate frothing ) , and ...
... sodium nitrite ( 4 g . ) in water ( 20 c.c. ) is then added rapidly with vigorous stirring ( total volume 100 c.c. ) . The filtered solution is next stirred into a mixture of chalk , ice , and a little ether ( to abate frothing ) , and ...
Page 440
... sodium nitrite ( 5 g . ) in water . The diazo - solution was poured into a cooled solution of cuprous chloride ( 4 g . ) in hydrochloric acid ( 30 % ; 30 c.c. ) and , after 5 minutes , the mixture was heated on the steam - bath for 30 ...
... sodium nitrite ( 5 g . ) in water . The diazo - solution was poured into a cooled solution of cuprous chloride ( 4 g . ) in hydrochloric acid ( 30 % ; 30 c.c. ) and , after 5 minutes , the mixture was heated on the steam - bath for 30 ...
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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 cooled crystallised crystallised from alcohol crystals cyanide D.Sc decomp derivative diazotised dilute dissolved distilled dried ester 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 sodium nitrite solid soluble solvent stirred structure substance sulphate sulphide sulphone sulphuric acid washed yellow needles yield