Journal of the Chemical SocietyThe Society., 1948 |
From inside the book
Results 1-3 of 89
Page 1088
... vacuum at 110 ° in the course of 18 hours . The product was purified by constant ether extraction in alkaline solution and by distillation in high vacuum ; m . p . 48.5-49 ° ; ap 0 · 00 ° ( l = 4 , c = 72 · 0 % in benzene ) ( Found ...
... vacuum at 110 ° in the course of 18 hours . The product was purified by constant ether extraction in alkaline solution and by distillation in high vacuum ; m . p . 48.5-49 ° ; ap 0 · 00 ° ( l = 4 , c = 72 · 0 % in benzene ) ( Found ...
Page 1535
... vacuum furnace was found to absorb carbon dioxide to give barium carbide . The contents of the furnace after cooling were dissolved in water , and the acetylene from the barium carbide was separated from the resulting gas mixture ...
... vacuum furnace was found to absorb carbon dioxide to give barium carbide . The contents of the furnace after cooling were dissolved in water , and the acetylene from the barium carbide was separated from the resulting gas mixture ...
Page 1930
... vacuum : C , 52-4 ; H , 4.1 ; N , 27-2 . C11H , O , N ,, H2O requires C , 52-4 ; H , 4.0 ; N , 27.8 % ) . The ultra - violet spectrum of the material in N / 10 - sodium hydroxide is represented by Curve 3 . A specimen of the crude ...
... vacuum : C , 52-4 ; H , 4.1 ; N , 27-2 . C11H , O , N ,, H2O requires C , 52-4 ; H , 4.0 ; N , 27.8 % ) . The ultra - violet spectrum of the material in N / 10 - sodium hydroxide is represented by Curve 3 . A specimen of the crude ...
Contents
acetic acid | 963 |
The isolated base 2 5 g m p 125 with frothing was readily soluble in most organic solvents | 6 |
addition of zinc dust 0 2 g during 15 minutes followed by heating on the steambath for hour | 114 |
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Common terms and phrases
4-trimethyl absorption acetic anhydride acetone acetyl added alcohol alkaline Amer amine ammonia atoms bands benzaldehyde benzene boiling bromine Calc carbon CH₂ Chem chloroform colourless needles compound concentrated hydrochloric acid condensation cooled crystallised crystals D.Sc decomp derivative diazotised dilute dissolved distilled dried electrons energy equiv ester ethanol ether ethyl acetate evaporated experimental extracted filtered filtrate formation formed Found fraction gave give glacial acetic acid heated hydrocarbon hydrochloric acid hydrogen chloride hydrolysis iodine isolated ketone light petroleum m. p. and mixed method methyl mixed m. p. mixture molecular molecule nitrogen obtained orbitals oxidation polysaccharide potassium hydroxide precipitated prepared prisms proflavine pyridine reaction refluxed removed requires residue resonance room temperature salt separated sodium hydroxide solid soluble solution solvent stirred structure substance sulphate sulphuric acid surface vacuum values washed yellow needles yield