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Gijbels, R.; Govaerts, A.
Ghent Rijksuniversiteit (Belgium). Instituut voor Kernwetenschappen1972
Ghent Rijksuniversiteit (Belgium). Instituut voor Kernwetenschappen1972
AbstractAbstract
No abstract available
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1972; 19 p; International conference on modern trends in activation analysis; Saclay, France; 02 Oct 1972
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Report
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Conference
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AbstractAbstract
No abstract available
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Chemical Analysis, Volume 34; 1972; 856 p; John Wiley and Sons, Inc; New York
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Book
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AbstractAbstract
No abstract available
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18. annual American Nuclear Society conference; Las Vegas, Nev; 18 Jun 1972; Published in summary form only.
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Journal Article
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Trans. Amer. Nucl. Soc; v. 15(1); p. 125-126
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AbstractAbstract
[en] A series of cationic, zwitterionic and anionic carbocyanine dyes have been measured with TOF-SIMS under Ga+ bombardment. In contrast to the cationic dyes, which give very intense molecular ion and characteristic fragment signals in the positive mode, the anionic dyes produce only a few fragment signals of low intensity. Even in the negative mode no molecular ions of the anionic dyes are seen in the recorded spectra. Actually, none of the studied molecules produces negative SIMS spectra containing molecular information. A comparative study was made between TOF-SIMS and other mass spectrometric techniques, namely, fast atom bombardment (FAB), electro spray ionization (ESI) and matrix assisted laser desorption ionization (MALDI). The measurements show that MALDI, ESI as well as FAB all give rise to spectra containing molecular ion signals, either in the positive, in the negative or in both modes. Unlike with TOF-SIMS, this observation also applies to the anionic dyes. Characteristic fragments of the dyes are present in all the recorded spectra. However, TOF-SIMS appears to induce more fragment ions in comparison with the other techniques. ESI, for instance, produces hardly any molecular fragments. Finally, the kind of fragment ions recorded depends upon the technique used, though some signals are produced by various techniques. For these carbocyanine dyes there is no clear correlation between the mass spectra obtained with TOF-SIMS and spectra obtained with the other techniques. This points to different desorption/ionization mechanisms, and makes it difficult, in practice, to make predictions on the feasibility of TOF-SIMS, starting from results of the other MS techniques
Source
14. international conference on secondary ion mass spectrometry and related topics; San Diego, CA (United States); 14-19 Sep 2003; S0169433204003290; Copyright (c) 2004 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
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AbstractAbstract
No abstract available
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Short communication.
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Journal Article
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Talanta; v. 20(3); p. 346-348
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No abstract available
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37 refs.
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Journal Article
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Journal of Radioanalytical Chemistry; v. 5 p. 251-264
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No abstract available
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4 figs.; 11 refs.; 5 tables.
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Journal Article
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Journal of Radioanalytical Chemistry; v. 14(1); p. 5-18
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AQUEOUS SOLUTIONS, AUTORADIOGRAPHY, BARIUM 140, ELECTROPHORESIS, EUROPE, FISSION PRODUCTS, ITERATIVE METHODS, LANTHANUM 140, MULTI-ELEMENT ANALYSIS, NEPTUNIUM 239, NUCLEAR FUELS, NUCLEAR REACTIONS, PILE NEUTRONS, QUALITATIVE CHEMICAL ANALYSIS, QUANTITATIVE CHEMICAL ANALYSIS, QUANTITY RATIO, URANIUM, URANIUM 235, URANIUM 238
ACTINIDES, ALPHA DECAY RADIOISOTOPES, BARIUM ISOTOPES, BARYONS, BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, CHEMICAL ANALYSIS, DAYS LIVING RADIOISOTOPES, DISPERSIONS, ELEMENTARY PARTICLES, ELEMENTS, ENERGY SOURCES, EVEN-EVEN NUCLEI, EVEN-ODD NUCLEI, FERMIONS, FUELS, HADRONS, HEAVY NUCLEI, INTERMEDIATE MASS NUCLEI, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, LANTHANUM ISOTOPES, METALS, MINUTES LIVING RADIOISOTOPES, MIXTURES, NEPTUNIUM ISOTOPES, NEUTRONS, NUCLEI, NUCLEONS, ODD-EVEN NUCLEI, ODD-ODD NUCLEI, RADIOACTIVE MATERIALS, RADIOISOTOPES, REACTOR MATERIALS, SOLUTIONS, URANIUM ISOTOPES, YEARS LIVING RADIOISOTOPES
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AbstractAbstract
No abstract available
Primary Subject
Source
International conference on modern trends in activation analysis; Saclay, France; 2 Oct 1972; 5 figs., 27 refs., 4 tables.
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Journal Article
Literature Type
Conference
Journal
Journal of Radioanalytical Chemistry; v. 16(1); p. 7-19
Country of publication
BARYON REACTIONS, BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, BETA-PLUS DECAY RADIOISOTOPES, CHEMICAL ANALYSIS, COUNTING TECHNIQUES, DAYS LIVING RADIOISOTOPES, ELECTRON CAPTURE RADIOISOTOPES, ELEMENTS, HADRON REACTIONS, HEAVY NUCLEI, IRIDIUM ISOTOPES, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, MATERIALS TESTING, METALS, MINUTES LIVING RADIOISOTOPES, NUCLEAR REACTIONS, NUCLEI, NUCLEON REACTIONS, ODD-ODD NUCLEI, PLATINUM METALS, RADIOISOTOPES, SPECTROSCOPY, TESTING, TRANSITION ELEMENTS, YEARS LIVING RADIOISOTOPES
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AbstractAbstract
No abstract available
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Journal Article
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Talanta; v. 20(9); p. 843-853
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AbstractAbstract
No abstract available
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173refs.
Record Type
Journal Article
Journal
Minerals Science and Engineering; v. 5 p. 304-348
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