Multielement Detector for Gas Chromatography PDF Download
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Author:
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ISBN:
Category :
Languages : en
Pages :
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Book Description
This report describes the results of a study to improve the capabilities of a gas chromatography-microwave-induced plasma (GC- MIP) detector system, determine the feasibility of empirical formula determination for simple mixtures containing elements of interest to fossil fuel analysis and, subsequently, explore applications for analysis of the complex mixtures associated with fossil fuels. The results of this study indicate that the GC-MIP system is useful as a specific-element detector that provides excellent elemental specificity for a number of elements of interest to the analysis of fossil fuels. It has reasonably good sensitivity for carbon, hydrogen, sulfur, and nickel, and better sensitivity for chlorine and fluorine. Sensitivity is poor for nitrogen and oxygen, however, probably because of undetected leaks or erosion of the plasma tube. The GC-MIP can also provide stoichiometric information about components of simple mixtures. If this powerful technique is to be available for complex mixtures, it will be necessary to greatly simplify the chromatograms by chemical fractionation. 38 refs., 46 figs., 16 tabs.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
This report describes the results of a study to improve the capabilities of a gas chromatography-microwave-induced plasma (GC- MIP) detector system, determine the feasibility of empirical formula determination for simple mixtures containing elements of interest to fossil fuel analysis and, subsequently, explore applications for analysis of the complex mixtures associated with fossil fuels. The results of this study indicate that the GC-MIP system is useful as a specific-element detector that provides excellent elemental specificity for a number of elements of interest to the analysis of fossil fuels. It has reasonably good sensitivity for carbon, hydrogen, sulfur, and nickel, and better sensitivity for chlorine and fluorine. Sensitivity is poor for nitrogen and oxygen, however, probably because of undetected leaks or erosion of the plasma tube. The GC-MIP can also provide stoichiometric information about components of simple mixtures. If this powerful technique is to be available for complex mixtures, it will be necessary to greatly simplify the chromatograms by chemical fractionation. 38 refs., 46 figs., 16 tabs.
Author: Katja Dettmer-Wilde
Publisher: Springer
ISBN: 3642546404
Category : Science
Languages : en
Pages : 904
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Book Description
Gas chromatography continues to be one of the most widely used analytical techniques, since its applications today expand into fields such as biomarker research or metabolomics. This new practical textbook enables the reader to make full use of gas chromatography. Essential fundamentals and their implications for the practical work at the instrument are provided, as well as details on the instrumentation such as inlet systems, columns and detectors. Specialized techniques from all aspects of GC are introduced ranging from sample preparation, solvent-free injection techniques, and pyrolysis GC, to separation including fast GC and comprehensive GCxGC and finally detection, such as GC-MS and element-specific detection. Various fields of application such as enantiomer, food, flavor and fragrance analysis, physicochemical measurements, forensic toxicology, and clinical analysis are discussed as well as cutting-edge application in metabolomics is covered.
Author: John David Lodmell
Publisher:
ISBN:
Category :
Languages : en
Pages : 107
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Book Description
Author: Sandra Marie Koeplin
Publisher:
ISBN:
Category : Gas chromatography
Languages : en
Pages : 428
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Book Description
Author: Raymond P.W. Scott
Publisher: CRC Press
ISBN: 9780849383670
Category : Science
Languages : en
Pages : 544
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Book Description
"Comprehensively covers the design, construction, and operation of gas chromatography, liquid chromatography, and thin-layer chromatography detectors--all in one convenient, up-to-date source. Emphasizes the essential use of common specifications to describe all detectors, allowing easy comparison of their attributes."
Author: Ronald J. Skelton
Publisher:
ISBN:
Category : Chromatographic analysis
Languages : en
Pages : 340
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Book Description
Author:
Publisher: Elsevier
ISBN: 008085804X
Category : Science
Languages : en
Pages : 193
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Book Description
Detectors in Gas Chromatography
Author: M. Dressler
Publisher: Elsevier
ISBN: 0080858392
Category : Science
Languages : en
Pages : 335
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Book Description
This book gives a comprehensive, up-to-date review of all selective detectors used in combination with gas chromatography. For each detector, the historical background, design and principle are described, and the working parameters affecting the detector performance are analyzed critically and in detail. The analytical possibilities of the detectors and the main characteristics such as sensitivity, noise and minimum detectability are discussed. All the selective detectors that are currently used are discussed in detail. Combinations of GC with other techniques such as plasma emission spectroscopy, atomic absorption spectrometry, ion-selective electrodes, piezoelectric sorption detector, mass spectrometry and infrared spectroscopy are discussed briefly.Chromatographers and users of gas chromatographs, especially in the field of environmental protection, agriculture, clinical chemistry, and toxicology will find the book useful to their work. Institutes and organisations dealing with analytical chemistry will also find it of interest.
Author: Wilfried M.A. Niessen
Publisher: CRC Press
ISBN: 9781420029512
Category : Science
Languages : en
Pages : 530
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Book Description
This volume details the principles and instrumentation of gas chromatography-mass spectrometry (CG-MS), and outlines industrial, environmental, pharmaceutical, clinical, toxicological, forensic and food-related applications, revealing findings from the laboratories of 40 contributing scientists around the world using GC-MS in practice. It describes upstream and downstream applications of GC-MS in the petroleum industry and identifies chlorinated compounds in the environment with quadrupole ion-trap technology and high-resolution sector instruments.
Author: Alan John Handley
Publisher: Taylor & Francis
ISBN: 9780849305146
Category : Science
Languages : en
Pages : 362
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Book Description
This volume provides an overview of the state of the art in gas chromatography with an emphasis on new technologies. The authors-all drawn from respected industrial and academic laboratories-consider developments in gas chromatographic techniques over the last decade. Application areas are addressed within individual chapters.
