AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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STUDIA CHEMIA - Ediţia nr.1-2 din 2000 | |||||||
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ION MOBILITY SPECTROMETRY - THEORY AND INSTRUMENTATION. Autori: VICTOR BOCOŞ-BINŢINŢAN. |
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Rezumat: The main aspects concerning a new, powerful and very promising trace analysis technique - Ion Mobility Spectrometry (IMS) - are reviewed. Ion Mobility Spectrometry is based upon the separation of ions, which occurs because of their mobility differences in a relatively low intensity electrical field. Ions are obtained by the ionization of the neutral chemical species in the gaseous phase, at atmospheric pressure, by very fast and complex collisional charge exchanges and ion-molecule reactions. Included are sections which deal with the IMS principle, its theoretical basis, atmospheric pressure ionization processes, response characteristics and the corresponding instrumentation. Ion Mobility Spectrometry is definitely a technology with a very promising future, in spite of the current lack of information. | |||||||