Quarterly Journal of the Chemical Society of London |
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Page 2364
... lanthanons is evident , but within the lighter group separations were confined to a good concentration of samarium in the tail fractions . In the middle lanthanon fractions good concentrations of gadolinium and dysprosium were obtained ...
... lanthanons is evident , but within the lighter group separations were confined to a good concentration of samarium in the tail fractions . In the middle lanthanon fractions good concentrations of gadolinium and dysprosium were obtained ...
Page 2365
... lanthanon mixtures were prepared from various sources : the light lanthanons were obtained chiefly from monazite , some cerium and lanthanum having been removed ; the heavy lanthanons were extracted from South Australian davidite , and ...
... lanthanon mixtures were prepared from various sources : the light lanthanons were obtained chiefly from monazite , some cerium and lanthanum having been removed ; the heavy lanthanons were extracted from South Australian davidite , and ...
Page 2409
... Lanthanons and Yttrium . By R. W. HALL . [ Reprint Order No. 6180. ] Lanthanon separations have been divided into two classes : those based on differences in solubility of salts , in which yttrium is interpolated in the heavy lanthanons ...
... Lanthanons and Yttrium . By R. W. HALL . [ Reprint Order No. 6180. ] Lanthanon separations have been divided into two classes : those based on differences in solubility of salts , in which yttrium is interpolated in the heavy lanthanons ...
Contents
2 4Trimethylpentane | 2082 |
Cinnolines Part XXXIV 5 6 and 7Hydroxy and 5 6 and 7Aminocinnolines | 2100 |
The Conductometric Evaluation of the Ionisation Functions of the Monohalogenoacetic | 2104 |
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absorption acetic anhydride acetone acetyl added alcohol alkaline Amer ammonia atom band benzene boiling bromine Calc carbon carbonyl Chem chloride chloroform colour colourless compound concentrated cooled crystallised crystals decomp derivative diethyl dilute dioxide dissolved distilled dried eluted ester ethanol ethylene evaporated filtered fluoride formed Found fraction gave give glacial acetic acid H₂O heated hydrochloric acid hydrogen hydrogen bromide hydrogen chloride hydrolysis infrared isolated ketone lanthanons light petroleum b. p. liquid lithium aluminium hydride m. p. and mixed method methyl mixed m. p. mixture mole needles nickel nitrate nitric nitryl fluoride obtained oxidation oxygen peroxide potassium hydroxide precipitate prepared pressure prisms pteridine pyridine reaction reduction refluxed Reprint Order requires residue resin room temperature sodium hydroxide solid soluble solution solvent spectra spectrum structure sulphuric acid Table tube ultraviolet vacuo washed yellow yield