Quarterly Journal of the Chemical Society of London |
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Page 111
... precipitates for different proportions of oxychloride are shown in the table . Ethereal solution . White precipitate . POCI3 , mols . RCI , % . a18 . Cl , % . G. Cl , % . P , % . C , H , N , % . 0.37 40 + 27.8 ° 24.95 4.0 17.1 9.5 51.0 ...
... precipitates for different proportions of oxychloride are shown in the table . Ethereal solution . White precipitate . POCI3 , mols . RCI , % . a18 . Cl , % . G. Cl , % . P , % . C , H , N , % . 0.37 40 + 27.8 ° 24.95 4.0 17.1 9.5 51.0 ...
Page 126
... precipitate after shaking reacted strongly alkaline to litmus ; a solution of 3 - nitro - 1 - naphthylarsonic acid ( 4 g . ) in 5 % aqueous sodium hydroxide was then added , and the mixture shaken for 10 minutes . The precipitate was ...
... precipitate after shaking reacted strongly alkaline to litmus ; a solution of 3 - nitro - 1 - naphthylarsonic acid ( 4 g . ) in 5 % aqueous sodium hydroxide was then added , and the mixture shaken for 10 minutes . The precipitate was ...
Page 880
... precipitate was redissolved in the minimum volume of water and refractionated twice . The thrice - precipitated phosphorylase thus isolated was termed " P - enzyme . " Estimation of phosphorylase activity was carried out by the method ...
... precipitate was redissolved in the minimum volume of water and refractionated twice . The thrice - precipitated phosphorylase thus isolated was termed " P - enzyme . " Estimation of phosphorylase activity was carried out by the method ...
Contents
The final crop was therefore the optically pure lselenonium dsulphonate m p 157159 with preliminary softening | 1 |
An Investigation of the Occurrence of the Coordinate or Dative Link by Electric Dipolemoment | 38 |
p 65100 decomp Crop I which was collected washed with methyl alcohol and dried Cautious | 43 |
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Common terms and phrases
4-benzthiazine absorption acetic anhydride acetone acetyl acetylene added addition aldehyde alkali Amer aqueous arsenic arsine arsonium atoms barium benzene boiling Calc carbinol carbon catalyst CH₂ Chem Chemical chloride chloroform CO₂H colourless compound condensation containing cooled crystallised crystals D.Sc decomp derivatives dilute dissolved distilled double bonds dried ester ethereal solution ethyl acetate ethylene evaporated experimental extracted filtered filtrate formation formed Found fraction furan gave give heated hydrocarbons hydrochloric acid hydrogen bromide hydrolysis iodide isolated ketone liquid methanol method methyl alcohol methyl ether mixed m. p. mixture molecule nickel nitrogen obtained optically oxide oxychloride phenylhydrazones phosphate phosphorus picrate potassium potassium hydroxide precipitate prepared presence prisms pyridine reaction reagent reduced refluxed requires residue ring room temperature salt separated sodium carbonate sodium hydroxide solid soluble solvent structure substance sulphate sulphuric acid tetrahydrofurfuryl umbellulone vacuum values washed yield zinc