Journal of the Chemical Society, Part 3Chemical Society., 1949 |
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Page 2248
... solid solutions . A difficulty in the method lies in the possibility that the composition of the solid phase may be altered during its separation from the liquid . The danger of this in the present case did not seem serious since the ...
... solid solutions . A difficulty in the method lies in the possibility that the composition of the solid phase may be altered during its separation from the liquid . The danger of this in the present case did not seem serious since the ...
Page 2256
... solid , the only reasonable conclusion to draw appears to be that the chlorine must be a constituent part of the alunite structure , replacing hydroxyl . The chlorine is slowly removed by hydrolysis but not much more readily than the ...
... solid , the only reasonable conclusion to draw appears to be that the chlorine must be a constituent part of the alunite structure , replacing hydroxyl . The chlorine is slowly removed by hydrolysis but not much more readily than the ...
Page 2267
... solid to separate . Nearly all of this had redissolved after 15 hours ' shaking at 25 ° . When the experiment was stopped , the solid consisted largely of the small square crystals , but there was some glass as well . ( 7 ) The solid ...
... solid to separate . Nearly all of this had redissolved after 15 hours ' shaking at 25 ° . When the experiment was stopped , the solid consisted largely of the small square crystals , but there was some glass as well . ( 7 ) The solid ...
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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