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Full-Text Articles in Physical Sciences and Mathematics
Part A: Some Reactions Of Norbornene Oxide: Part B: Arylnorbornene Oxides, Thomas J. Gerteisen
Part A: Some Reactions Of Norbornene Oxide: Part B: Arylnorbornene Oxides, Thomas J. Gerteisen
Doctoral Dissertations
Part A: In this thesis research on the action of Grignard reagents with with norbornene oxide has been initiated and found to be of possible synthetic utility.
Part B: The structure of the product of the acid catalyzed dehydration of 2-p-anisylnorbornane-2, 3-cis-exo-diol in hydrochloric acid-tetrahy-drofuran has been reassigned. It was discovered, on the basis of further data, that the structure of the high melting solid was that of the dimer of the epoxide, a p-dioxane, rather than the epoxide itself. This change was proposed for many reasons. A near total nmr analysis of the compound …
Quantitative Spark-Source Mass Spectrometric Techniques For The Simultaneous Determination Of The Lanthanide And Actinide Elements In Microgram And Sub-Microgram Transuranium Samples, Joel Avery Carter
Doctoral Dissertations
The work presented encompasses techniques developed for the analysis of certain rare earth and actinide elements in solutions containing highly radioactive transuranium elements. Advantage was taken of the high inherent resolution and sensitivity of the rf spark-source mass spectrometer in the development of qualitative and quantitative procedures where an analysis can be made on a total sample of <1 to 10 μg. Parameters for the Associated Electrical Industries' MS-702 spark-source mass spectrometer were adjusted so that mass-to-charge ratios in the range of 10 to 310 could be subjected to qualitative analysis. For quantitative assessment of impurities in a transuranium solution, relative sensitivity factors were established with respect to erbium, the internal standard, for rare earth elements and for thorium, uranium, neptunium, americium, curium, berkelium, and californium.
A special glove box was designed, fabricated, and used on the source end of the mass spectrometer so that samples of the transuranium elements could be run safely. Transuranium element with α-emitting radioactivity up to 1010 dpm were processed through the …