Journal of the Chemical Society, Part 3Chemical Society., 1949 |
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Results 1-3 of 84
Page 1710
... Precipitate 86.6 2.4 Solution 3.9 0 Precipitate 87.6 Solution 20.2 1.0 Precipitate Solution 76.0 1.0 50.0 A graph of the above results revealed that the maximum amount of Q - enzyme was precipitated from potato juice by lead acetate ...
... Precipitate 86.6 2.4 Solution 3.9 0 Precipitate 87.6 Solution 20.2 1.0 Precipitate Solution 76.0 1.0 50.0 A graph of the above results revealed that the maximum amount of Q - enzyme was precipitated from potato juice by lead acetate ...
Page 1839
... precipitate formed which was separated and dried . Recrystallisation from acetone failed , the compound being too highly soluble . Dilution of acetone solutions with either water or ligroin precipitated the compound in a pure state ...
... precipitate formed which was separated and dried . Recrystallisation from acetone failed , the compound being too highly soluble . Dilution of acetone solutions with either water or ligroin precipitated the compound in a pure state ...
Page 2282
... precipitated a brown oil . Light petroleum precipitated a yellow - green solid ( Found : Co , 10.5 ; I , 61-7 . EtCol ,, 2C , H , requires Co , 9.5 ; 1 , 60.9 % ) . 1 - Chloronaphthalene being used instead of benzene , light petroleum ...
... precipitated a brown oil . Light petroleum precipitated a yellow - green solid ( Found : Co , 10.5 ; I , 61-7 . EtCol ,, 2C , H , requires Co , 9.5 ; 1 , 60.9 % ) . 1 - Chloronaphthalene being used instead of benzene , light petroleum ...
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Common terms and phrases
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