22 окт. 2017 г. · Mass spectrometry is a powerful analytical technique used to quantify known materials, to identify unknown compounds within a sample and to elucidate the ... |
9 мар. 2014 г. · Mass spectrometry is a powerful analytical technique that is used to identify unknown compounds, to quantify known materials, and to elucidate the structure ... |
❖A mass spectrum is the plot of relative abundance of ions against their mass/charge ratio. ❖The basic aspect of organic mass spectrometry consist of bombarding ... |
Mass Spectrometry: Principle. The initial stage in analyzing compounds via mass spectrometry involves generating ions of the compound in the gas phase ... |
Оценка 5,0  (3) This document provides an overview of principles and applications of mass spectrometry. It discusses basics concepts like ionization modes, mass analyzers, and ... |
Chemical ionization (CI). ◇ Plasma and glow discharge. ◇ Electron impact (EI). ◇ Electrospray ionization (ESI). ◇ Fast-atom bombardment (FAB). |
MS/MS means using two mass analyzers (combined in one instrument) to select an analyte (ion) from a mixture, then generate fragments from it to give structural ... |
13 апр. 2017 г. · Main information given in MS analysis: molecular weight; number of specific elements (based on isotope peaks); molecular formula (with high ... |
Оценка 5,0 (1) Mass spectrometry ionizes sample molecules and measures their mass-to-charge ratios, producing a mass spectrum that provides information about molecular ... |
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