Journal of the Chemical Society, Part 3Chemical Society., 1949 |
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Page 1699
... washed out of the bulb , and 4 g . of ammonium carbonate were added . After 24 hours most of the silica had separated , and was filtered off , washed with water , and dried . The filtrate was evaporated on a steam - bath , to decompose ...
... washed out of the bulb , and 4 g . of ammonium carbonate were added . After 24 hours most of the silica had separated , and was filtered off , washed with water , and dried . The filtrate was evaporated on a steam - bath , to decompose ...
Page 1862
... washed with chilled ether . The mother - liquors after fractional distillation afforded an additional 1 g .; the total yield was thus 71 % . This process has been carried out successfully on four times the above scale . 1 - Hydroxy - 17 ...
... washed with chilled ether . The mother - liquors after fractional distillation afforded an additional 1 g .; the total yield was thus 71 % . This process has been carried out successfully on four times the above scale . 1 - Hydroxy - 17 ...
Page 2248
... washed and air - dried solid remaining in the funnel was Al2O3 , 28.00 ; SO ,, 26-16 % ; R = 0.84 . The X - ray diagram of the washed solid was still that of 5Al2O3,6SO ,, 46H2O . ( b ) 3 G. of the same preparation were washed on a ...
... washed and air - dried solid remaining in the funnel was Al2O3 , 28.00 ; SO ,, 26-16 % ; R = 0.84 . The X - ray diagram of the washed solid was still that of 5Al2O3,6SO ,, 46H2O . ( b ) 3 G. of the same preparation were washed on a ...
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acetic acid acetic anhydride acetone acetyl added admixture alkaline alkyl aluminium chloride Amer ammonia aqueous solution atoms barium benzene boiling bromine Calc carbinol carbon catalyst Chem Chim chloroform colourless needles compound concentrated condensation cooled crystals cyclohexene decomp derivatives dilute dioxan dissolved distilled dithizone dried equiv ester ethanol ethyl acetate ethyl alcohol ethylene evaporated EXPERIMENTAL filtered filtrate formed Found fraction gave give heated under reflux hydrocarbon hydrochloric acid hydrogen chloride hydrolysis iodide ions isolated ketone Light absorption light petroleum b. p. method methyl mixed m. p. mixture molecule obtained oxide phenyl plates potassium hydroxide precipitated prepared pressure prisms pyridine Q-enzyme R₁ R₂ reaction reagent reduced removed requires residue room temperature salt semicarbazone separated sodium hydroxide solid soluble solvent specimen structure substance sulphate sulphone sulphuric acid synthesis Table unsaturated washed yield