The quantitative spectrographic analysis of the rare earth elements Fassel, Velmer
dc.contributor.department Chemistry 2018-08-23T00:23:57.000 2020-06-30T07:23:19Z 2020-06-30T07:23:19Z Wed Jan 01 00:00:00 UTC 1947 1947
dc.description.abstract <p>The great similarity in the chemical properties of the rare earths has limited the application of the familiar reactions of analytical chemistry in the analysis of this group of elements. A number of physical and physico-chemical methods have been developed and of these the spectrophotometric method has possessed the greatest general utility. In connection with the studies on the separation of the rare earths by means of the ion-exchange column technique (1, 2) the spectrophotometric method was found inadequate for some of the necessary analytical work, namely; (a) the determination of small amounts of the respective elements below the concentrations detectable by the spectrophotometric method, and (b) the determination of large amounts of those members of the group which possess no absorption bands in the region 2200--10,000 Angstroms. An investigation of other physical methods which might yield the above information led to the development of satisfactory emission spectrographic methods which are described herein.</p>
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dc.identifier.articleid 13730
dc.identifier.contextkey 6822806
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dc.identifier.submissionpath rtd/12731
dc.language.iso en
dc.source.bitstream archive/|||Fri Jan 14 19:28:43 UTC 2022
dc.subject.disciplines Physical Chemistry
dc.subject.keywords Rare earths
dc.subject.keywords Spectrum analysis
dc.subject.keywords Chemistry
dc.subject.keywords Physical chemistry
dc.title The quantitative spectrographic analysis of the rare earth elements
dc.type article
dc.type.genre dissertation
dspace.entity.type Publication
relation.isOrgUnitOfPublication 42864f6e-7a3d-4be3-8b5a-0ae3c3830a11 dissertation Doctor of Philosophy
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