Journal Highlight: Quantitative online NMR spectroscopy in a nutshell

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  • Published: Jul 4, 2016
  • Author: spectroscopyNOW
  • Channels: NMR Knowledge Base
thumbnail image: Journal Highlight: Quantitative online NMR spectroscopy in a nutshell
This paper compiles the most important aspects of quantitative process NMR spectroscopy in complex multicomponent mixtures and provides examples.

Quantitative online NMR spectroscopy in a nutshell

Chemie Ingenieur Technik, 2016, 88, 698-709
Nicolai Zientek, Klas Meyer, Simon Kern and Michael Maiwald

Abstract: Online NMR spectroscopy is an excellent tool to study complex reacting multicomponent mixtures and gain process insight and understanding. For online studies under process conditions, flow NMR probes can be used in a wide range of temperature and pressure. This paper compiles the most important aspects towards quantitative process NMR spectroscopy in complex multicomponent mixtures and provides examples. After NMR spectroscopy is introduced as an online method and for technical samples without sample preparation in deuterated solvents, influences of the residence time distribution, pre-magnetization, and cell design are discussed. NMR acquisition and processing parameters as well as data preparation methods are presented and the most practical data analysis strategies are introduced.

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