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Guide to Nmr Spectral Interpretation

Guide to Nmr Spectral Interpretation
Author: Antonio Randazzo
Publisher: Loghia Di Amoresano Claudia
Total Pages: 344
Release: 2018
Genre: Medical
ISBN: 9788895122403

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This book is designed to provide undergraduate and graduate students with practical strategies, methods and explanations to interpret the NMR spectra of small organic molecules. In particular, it is organized in a way that basic 1H- and 13iNMR concepts are introduced and immediately applied in a number of problems, solved and discussed in a step-by-step fashion. It contains almost exclusively real NMR data and it describes how to interpret the chemical shift, intensity and splitting pattern of the proton and carbon NMR signals (Chapters 1-5), paying attention to the effects of the magnetically non-equivalent nuclei (Chapter 4). The role of the solvent is also explained (Chapter 6), and a description of the interpretation of the most common two-dimensional NMR experiments is reported in Chapter 7. Chapter 8 is dedicated to the strategy for structural elucidation, while Chapter 9 contains exclusively summary problems.


NMR Data Interpretation Explained

NMR Data Interpretation Explained
Author: Neil E. Jacobsen
Publisher: John Wiley & Sons
Total Pages: 1003
Release: 2016-10-21
Genre: Science
ISBN: 1119176883

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Through numerous examples, the principles of the relationship between chemical structure and the NMR spectrum are developed in a logical, step-by-step fashion Includes examples and exercises based on real NMR data including full 600 MHz one- and two-dimensional datasets of sugars, peptides, steroids and natural products Includes detailed solutions and explanations in the text for the numerous examples and problems and also provides large, very detailed and annotated sets of NMR data for use in understanding the material Describes both simple aspects of solution-state NMR of small molecules as well as more complex topics not usually covered in NMR books such as complex splitting patterns, weak long-range couplings, spreadsheet analysis of strong coupling patterns and resonance structure analysis for prediction of chemical shifts Advanced topics include all of the common two-dimensional experiments (COSY, ROESY, NOESY, TOCSY, HSQC, HMBC) covered strictly from the point of view of data interpretation, along with tips for parameter settings


Analysis of NMR Spectra

Analysis of NMR Spectra
Author: R. A. Hoffman
Publisher: Springer Science & Business Media
Total Pages: 171
Release: 2012-12-06
Genre: Science
ISBN: 3642652050

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Nuclear magnetic resonance spectroscopy, which has evolved only within the last 20 years, has become one of the very important tools in chemistry and physics. The literature on its theory and application has grown immensely and a comprehensive and adequate treatment of all branches by one author, or even by several, becomes increasingly difficult. This series is planned to present articles written by experts working in various fields of nuclear magnetic resonance spectroscopy, and will contain review articles as well as progress reports and original work. Its main aim, however, is to fill a gap, existing in literature, by publishing articles written by specialists, which take the reader from the introductory stage to the latest development in the field. The editors are grateful to the authors for the time and effort spent in writing the articles, and for their invaluable cooperation. The Editors Analysis of NMR Spectra A Guide for Chemists R. A. HOFFMAN t S. FORSEN Division of Physical Chemistry, Chemical Center, Lund Institute of Technology, Lund, Sweden B. GESTBLOM Institute of Physics, University of Uppsala, Sweden Contents I. Principles of NMR Spectroscopy 4 1. 1. The Magnetic Resonance Phenomenon 4 a) Nuclear Moments. . . . . . . . 4 b) Magnetic Spin States and Energy Levels 5 c) The Magnetic Resonance Condition. 7 d) The Larmor Precession. . 7 e) Experimental Aspects . . . . 8 1. 2. Chemical Shifts . . . . . . . . 9 a) The Screening Constant 11. . . 9 b) Chemical Shift Scales (11 and r) 10 1. 3. Spin Coupling Constants 12 1. 4. Intensities. . . . . . . .


NMR Spectroscopy in Food Analysis

NMR Spectroscopy in Food Analysis
Author: Apostolos Spyros
Publisher: Royal Society of Chemistry
Total Pages: 311
Release: 2015-10-20
Genre: Technology & Engineering
ISBN: 1782625666

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During the last two decades, the use of NMR spectroscopy for the characterization and analysis of food materials has flourished, and this trend continues to increase today. Currently, there exists no book that fulfils specifically the needs of food scientists that are interested in adding or expanding the use of NMR spectroscopy in their arsenal of food analysis techniques. Current books and monographs are rather addressed to experienced researchers in food analysis providing new information in the field. This book, written by acknowledged experts in the field, fills the gap by offering a day to day NMR guide for the food scientist, affording not only the basic theoretical aspects of NMR spectroscopy, but also practical information on sample preparation, experimental conditions and data analysis. Current developments in the field covered in this book are the availability of solid state NMR experiments such as CP/MAS and more importantly HR-MAS NMR for the analysis of semisolid foods, and the increasing use of chemometrics to analyze NMR data in food metabonomics. Moreover, this book contains an up to date discussion of MRI in food analysis including topics such as food processing and natural changes in food such as ripening. The book is a compact and complete source of information for food scientists who wish to apply methodologies based on NMR spectroscopy in food analysis. It contains information so far scattered in the primary literature, in NMR treatises and food analysis books, in a concise format that makes it appealing to food scientists who have no or minimal experience in magnetic resonance techniques. The inclusion of practical information about NMR instrumentation, experiment setup, acquisition and spectral analysis for the study of different food categories make this book a hands-on manual for food scientists wishing to implement novel NMR spectroscopy-based analytical techniques in their field.


NMR Data Interpretation Explained

NMR Data Interpretation Explained
Author: Neil E. Jacobsen
Publisher: John Wiley & Sons
Total Pages: 656
Release: 2016-10-31
Genre: Science
ISBN: 1118370228

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Through numerous examples, the principles of the relationship between chemical structure and the NMR spectrum are developed in a logical, step-by-step fashion Includes examples and exercises based on real NMR data including full 600 MHz one- and two-dimensional datasets of sugars, peptides, steroids and natural products Includes detailed solutions and explanations in the text for the numerous examples and problems and also provides large, very detailed and annotated sets of NMR data for use in understanding the material Describes both simple aspects of solution-state NMR of small molecules as well as more complex topics not usually covered in NMR books such as complex splitting patterns, weak long-range couplings, spreadsheet analysis of strong coupling patterns and resonance structure analysis for prediction of chemical shifts Advanced topics include all of the common two-dimensional experiments (COSY, ROESY, NOESY, TOCSY, HSQC, HMBC) covered strictly from the point of view of data interpretation, along with tips for parameter settings


A Beginner's Guide to Mass Spectral Interpretation

A Beginner's Guide to Mass Spectral Interpretation
Author: Terrence A. Lee
Publisher: John Wiley & Sons
Total Pages: 210
Release: 1998-02-04
Genre: Science
ISBN: 9780471976295

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Die Massenspektrometrie ist eine der wenigen Techniken, mit denen man organische Verbindungen eindeutig identifizieren kann. Dieses Buch behandelt die Interpretation von Massenspektren organischer Verbindungen, und zwar auf einem für Studienanfänger und Fortgeschrittene geeigneten Niveau. Die verschiedenen organischen Verbindungen werden in einzelnen Kapiteln besprochen, wobei der Schwerpunkt auf einem verbindungsspezifischen Ansatz zur Interpretation von Massenspektren liegt. Einfach und verständlich geschrieben mit mehr als 120 repräsentativen Spektren, ist dieses Werk speziell für Studierende im 2. und 3. Studienjahr sowie für Neulinge auf diesem Gebiet gedacht. (01/98)


NMR Multiplet Interpretation

NMR Multiplet Interpretation
Author: Roman Valiulin
Publisher: Walter de Gruyter GmbH & Co KG
Total Pages: 176
Release: 2019-10-08
Genre: Science
ISBN: 3110608405

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A visual guide for the interpretation of complex 1H-NMR spectra with a concise and illustrative practice problems section. This book is an easy-to-grasp source for (organic) chemists and students that want to understand and practice NMR spectroscopy.


Hands on NMR

Hands on NMR
Author: William S. Price
Publisher:
Total Pages: 500
Release: 2021-05-17
Genre: Science
ISBN: 9781788010887

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Presenting important practical aspects of NMR spectroscopy, this book will be useful for explaining and facilitating the successful set up of a wide variety of NMR experiments. It will enlighten readers with the relevant information on the basic concepts in NMR, how it works, and how to trouble-shoot artefacts that may be encountered. A short introductory chapter on some basic theory and key concepts will precede chapters on more practical aspects e.g. instrumentation, sample preparation, experimentation and data processing. Several practical case experiments covering various fields and including details on the pitfalls, tips and recommendations are presented next. Lastly, detailed chapters on other important practical aspects such as artefacts, spectral prediction, databases and safety are included. Bringing books that present practical NMR up to date, this book fills a gap in the literature and provides a new comprehensive practical NMR book for teaching and research at all levels - graduates, postgraduates, industry and research.


NMR Spectroscopy Explained

NMR Spectroscopy Explained
Author: Neil E. Jacobsen
Publisher: John Wiley & Sons
Total Pages: 640
Release: 2007-09-10
Genre: Science
ISBN: 0470173343

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NMR Spectroscopy Explained : Simplified Theory, Applications and Examples for Organic Chemistry and Structural Biology provides a fresh, practical guide to NMR for both students and practitioners, in a clearly written and non-mathematical format. It gives the reader an intermediate level theoretical basis for understanding laboratory applications, developing concepts gradually within the context of examples and useful experiments. Introduces students to modern NMR as applied to analysis of organic compounds. Presents material in a clear, conversational style that is appealing to students. Contains comprehensive coverage of how NMR experiments actually work. Combines basic ideas with practical implementation of the spectrometer. Provides an intermediate level theoretical basis for understanding laboratory experiments. Develops concepts gradually within the context of examples and useful experiments. Introduces the product operator formalism after introducing the simpler (but limited) vector model.


50 and More Essential NMR Experiments

50 and More Essential NMR Experiments
Author: Matthias Findeisen
Publisher: John Wiley & Sons
Total Pages: 322
Release: 2013-07-30
Genre: Science
ISBN: 352733694X

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This book is the perfect link for learning how to perform the experiments after only having studied theory. In eight chapters more than 50 essential NMR experiments are described in detail. Special focus is put on the organic set of NMR spectra (1H, 13C-APT, COSY, NOESY, HSQC and HMBC). Different chapters deal with advanced organic NMR, selective methods, heteronuclear NMR, relaxation and diffusion measurements, organic applications and maintenance. Every experiment has a section providing the reader with the purpose and scope of the specific experiment. Every experiment is concluded with the spectrum as it is obtained under the conditions described. Questions and comments enable the reader to check their understanding. The authors are very experienced and the whole book is in full color, which enhances the reading experience and makes the spectra and other figures easier to understand. This book is strongly recommended for all students and researchers who are involved in the structural elucidation of chemical compounds both in practical education and in pursuing research, in particular if they handle an NMR spectrometer.