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Last update: OPEKAR (23.04.2002)
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Last update: doc. RNDr. Ivan Jelínek, CSc. (22.09.2014)
Spektrometrické analytické metody II., I. Němcová, P. Engst, I. Jelínek, J. Sejbal, P. Rychlovský, Karolinum, Praha 1998 (Skriptum). Elektronické podklady nejsou dostupné |
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Last update: doc. RNDr. Ivan Jelínek, CSc. (05.12.2011)
Podmínky pro udělení zkoušky: Úspěšné absolvování písemného testu v rozsahu tématických okruhů přednášek a základní studijní literatury. |
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Last update: OPEKAR (29.01.2003)
Introduction. Experimental design of mass spectrometer. Survey of ionization techniques. Electron impact ionization. Chemical ionization. Other ionization techniques. Mass analyzers. Magnetic mass analyzer. Electric analyzer. Quadrupole analyzer. Ion trap. Time of flight analyzer. Detectors. Multipliers. Scintilation photomultipliers.
Mass spectrum. Molecular ion. Analysis of isotopic composition. Stable izotopes. Determination of number of rings plus double bonds from elemetal formula.
Theory of fragmentation. Charge and unpaired electron localization in molecular ion. Molecular ion fragmentation, fragmentation paths. Mechanisms of fragmetation of organic molecules. Sigma bond dissociation. Alfa cleavage initiated by radical-site. Cleavage initiated by charge-site. Decompositions of cyclic structures. Rearrangements. Radical-site rearrangements. Charge-site rearrangements.
Mass spectra of simple organic molecules and their interpretation. |