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Chemistry

Analytical chemistry

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Displaying 1451 - 1475 of 2094

Reaction gas chromatography/mass spectrometry. 2the use of catalytic on-line dehydrogenation for the investigation of alcohols by gas chromatography/mass spectrometry

April 7, 2005
Author(s)
Anzor I. Mikaia, Vladimir Smetanin, Vladimir G. Zaikin, Alla V. Antonova, Nikolay A. Prostakov
A GC-MS method is developed for structure determination of aliphatic within mixtures. It involves online application of a gas-phase dehydrogenation reaction after GC separation and before MS analysis. Primary and secondary alcohols are converted into

Infrared and Raman Spectroscopy Characterization of Biological Products

January 1, 2005
Author(s)
Vytautas Reipa
Both infrared and Raman are increasingly applied in biomolecular structure characterization, thus getting acceptance alongside traditional bioanalytical techniques. Physical principles and biological sampling requirements are reviewed. Advanced

Samples and Standards

December 13, 2004
Author(s)
Richard M. Lindstrom, C Yonezawa
For analytical accuracy, the detailed interaction of neutrons with the sample is of more importance in prompt-gamma activation analysis (PGAA) with a neutron beam than in conventional activation analysis. Selection of an optimum sample size and shape is
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