Journal of the Chemical Society, Part 4The Society., 1949 |
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Page 2508
... nitrate in the correct concentration ; it is readily seen that in the application of Trombe's technique at high ammonium nitrate concentrations the presence of cadmium ions is not a necessity for the rapid separation of lanthanum . 4-5N ...
... nitrate in the correct concentration ; it is readily seen that in the application of Trombe's technique at high ammonium nitrate concentrations the presence of cadmium ions is not a necessity for the rapid separation of lanthanum . 4-5N ...
Page 2509
... nitrate melts with sodium and potassium nitrates at 300—500 ° , Marsh by the addition of cerous nitrate obtained good separation of lanthanum and praseodymium , and eventually obtained a certain concentration of praseodymium . The ...
... nitrate melts with sodium and potassium nitrates at 300—500 ° , Marsh by the addition of cerous nitrate obtained good separation of lanthanum and praseodymium , and eventually obtained a certain concentration of praseodymium . The ...
Page 2510
... nitrate , but also for the solubilities of oxalate in ammonium nitrate solution ( see table ) . Solubility of rare - earth hydroxides in ammonium nitrate . [ 5 G. of R ( OH ) , fused in 10 g . of NH4NO , at 130 ° . ] G. of oxalate [ as ...
... nitrate , but also for the solubilities of oxalate in ammonium nitrate solution ( see table ) . Solubility of rare - earth hydroxides in ammonium nitrate . [ 5 G. of R ( OH ) , fused in 10 g . of NH4NO , at 130 ° . ] G. of oxalate [ as ...
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absorption acetic acid acetic anhydride acetone added alcohol alkaline aluminium chloride aluminium iodide Amer amine ammonia aqueous sodium atom benzaldehyde benzene boiling bond bromide bromine trifluoride Calc carbon CH₂ Chem chloroform colourless needles compound concentrated condensation containing cooled crystallised crystals D.Sc decomp decomposition derivatives diazotised dilute dioxan dissolved distilled dried ester ethanol ethyl alcohol extracted with ether filtered filtrate formation formed Found fraction gave Grignard reagent halide heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide iodine ions isolated ketone light petroleum b. p. liquid method methyl methyl iodide minutes mixture molecule nitrate nitrogen obtained oxidation phenol picrate potassium precipitate prepared prisms pyridine reaction reagent recrystallised from ethanol reduced pressure removed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent sulphate sulphone sulphuric acid synthesis Table tube values washed yield