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Author: L. Petrakis
Publisher: Elsevier
ISBN: 0444598561
Category : Science
Languages : en
Pages : 253
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Book Description
High resolution nuclear magnetic resonance (NMR) of liquid fuels has provided valuable information on the molecular structures present in these fuels. The chemical insight gained through NMR studies has the potential to enhance significantly the development of processes for the utilization of fossil energy. For this potential to be fully realized, users of NMR information must be able to communicate effectively with NMR experts. Conversely, NMR experts must understand the type of information that users will attempt to derive from their spectra. The goal of this book is to strengthen the lines of communication between NMR experts and users in the area of NMR of liquid fuels.The book comprises two parts. The first part presents elements of relevant NMR phenomenology, including a definition of the most important NMR parameters, an introduction to Fourier transform NMR and a discussion of newer pulse techniques. Sufficient background material is presented to enable the reader to follow such techniques as spin echo, two-dimensional and polarization transfer experiments. These techniques are illustrated by extensive examples derived from fuel chemistry. The second part of the book addresses the interpretation of NMR spectra and is based, to a very large extent, on the work of the authors who have used NMR in a variety of applications in fossil fuels. This part describes in detail the three basic methods for interpreting NMR spectra of liquid fuels: average structural parameter calculations, average molecule construction and functional group analysis. The use of NMR in engineering calculations is also presented and should be particularly useful to those interested in processing of fossil fuels. Extensive examples are drawn from petroleum, shale oils, coal liquids and model systems. Computer programs for performing the characterizations from the spectra are provided.The book will appeal to a wide range of professionals. With its emphasis on applications, it will be of particular interest to those who use NMR to characterize liquid fossil fuels or those who provide NMR assistance to fossil fuel scientists and technologists.
Author: L. Petrakis
Publisher: Elsevier
ISBN: 0444598561
Category : Science
Languages : en
Pages : 253
Get Book Here
Book Description
High resolution nuclear magnetic resonance (NMR) of liquid fuels has provided valuable information on the molecular structures present in these fuels. The chemical insight gained through NMR studies has the potential to enhance significantly the development of processes for the utilization of fossil energy. For this potential to be fully realized, users of NMR information must be able to communicate effectively with NMR experts. Conversely, NMR experts must understand the type of information that users will attempt to derive from their spectra. The goal of this book is to strengthen the lines of communication between NMR experts and users in the area of NMR of liquid fuels.The book comprises two parts. The first part presents elements of relevant NMR phenomenology, including a definition of the most important NMR parameters, an introduction to Fourier transform NMR and a discussion of newer pulse techniques. Sufficient background material is presented to enable the reader to follow such techniques as spin echo, two-dimensional and polarization transfer experiments. These techniques are illustrated by extensive examples derived from fuel chemistry. The second part of the book addresses the interpretation of NMR spectra and is based, to a very large extent, on the work of the authors who have used NMR in a variety of applications in fossil fuels. This part describes in detail the three basic methods for interpreting NMR spectra of liquid fuels: average structural parameter calculations, average molecule construction and functional group analysis. The use of NMR in engineering calculations is also presented and should be particularly useful to those interested in processing of fossil fuels. Extensive examples are drawn from petroleum, shale oils, coal liquids and model systems. Computer programs for performing the characterizations from the spectra are provided.The book will appeal to a wide range of professionals. With its emphasis on applications, it will be of particular interest to those who use NMR to characterize liquid fossil fuels or those who provide NMR assistance to fossil fuel scientists and technologists.
Author: Leonidas Petrakis
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 260
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Book Description
Author: Leonidas Petrakis
Publisher: Elsevier Publishing Company
ISBN: 9780444426949
Category : Electronic books
Languages : en
Pages : 0
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Book Description
Very Good,No Highlights or Markup,all pages are intact.
Author:
Publisher:
ISBN:
Category : Fossil fuels
Languages : en
Pages : 748
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Book Description
Author: M.A. Wilson
Publisher: Elsevier
ISBN: 1483286622
Category : Science
Languages : en
Pages : 366
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Book Description
The book provides an in-depth review of the state of the art of NMR spectroscopy as applied to a wide range of geochemical problems. It is intended to assist geochemists and spectroscopists working at the interface between geochemistry and NMR, and almost all areas of organic and inorganic geochemistry where NMR has had an influence are discussed.
Author: Bernhard Blümich
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3110374587
Category : Technology & Engineering
Languages : en
Pages : 305
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Book Description
The goal of this book is to provide an introduction to the practical use of mobile NMR at a level as basic as the operation of a smart phone. Each description follows the same didactic pattern: introduction, basic theory, pulse sequences and parameters, beginners-level measurements, advanced-level measurements, and data processing. Nuclear Magnetic Resonance (NMR) spectroscopy is the most popular method for chemists to analyze molecular structures while Magnetic Resonance Imaging (MRI) is a non-invasive diagnostic tool for medical doctors that provides high-contrast images of biological tissue depicting the brain function and the beating heart. In both applications large super-conducting magnets are employed which magnetize atomic nuclei of an object positioned inside the magnet. Their circulating motion is interrogated by radio-frequency waves. Depending on the operating mode, the frequency spectrum provides the chemist with molecular information, the medical doctor with anatomic images, while the materials scientist is interested in NMR relaxation parameters, which scale with material properties and determine the contrast in magnetic resonance images. Recent advances in magnet technology led to a variety of small permanent magnets, by which NMR spectra, images, and relaxation parameters can be measured with mobile and low-cost instruments.
Author: Klaus H. Altgelt
Publisher: CRC Press
ISBN: 9780824789466
Category : Science
Languages : en
Pages : 514
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Book Description
Provides insights into the composition of petroleum, especially its heavy ends, and presents a review of modern methods for the analysis of heavy petroleum fractions, which are viewed as refinery feedstocks. The concept of an atmospheric equivalent boiling point (AEBP) scale increasing the boiling range almost threefold and allowing for the description of all crude oil fractions is introduced.
Author: John R. Kershaw
Publisher: Elsevier Publishing Company
ISBN:
Category : Science
Languages : en
Pages : 418
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Book Description
This book comprehensively and critically reviews the analysis of coal-derived liquids by modern spectroscopic techniques. All the major techniques used in the analysis of coal liquids are included with detailed chapters on mass, infrared, ultraviolet and luminescence, nuclear magnetic resonance, and electron spin resonance spectroscopy. Each method is critically evaluated and the limitations and problems that the complexity of typical coal liquids impose on each technique are discussed. The book also includes a discussion of solvent fractionation, chromatographic separations, and the pyrolysis and hydropyrolysis of coal liquids. A detailed review of the composition of coal liquids from various coal liquefaction processes and a brief introduction to coal science are also included. This is the only comprehensive coverage of the spectroscopic analysis of coal liquids. It also contains a wealth of information on the composition and properties of coal liquids produced from various coal types under a variety of processing conditions. These two features alone should make it essential reading for all professionals involved in liquid fuels research.
Author:
Publisher: Academic Press
ISBN: 0080584063
Category : Science
Languages : en
Pages : 439
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Book Description
This book is part of a series on spectroscopy, and covers NMR studiesof isolated spin-pairs in the solid state, the oxidation state dependence of transition metal shieldings, the Cinderella nuclei, nuclear spin relaxation in organic systems, solutions of macromolecules and aggregates and the NMR of coals and coal products. Related titlesare volumes 20, 21 and 22 in the series.
Author: Edward G. Perkins
Publisher: The American Oil Chemists Society
ISBN: 9780935315479
Category : Medical
Languages : en
Pages : 452
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Book Description
Analyses of Fats, Oils, and Lipoproteins was originally published in December 1991. This volume, which includes only analytical material devoted to fats and oils is a shorter, paperback format. As in the complete volume, the material represents the "state of the art" and is intended to be used as a working reference and as an entry into the literature.
