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Thermal Analysis Of Solid Compounds Combined With Mass Spectrometry Of Gaseous Decomposition Products
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Book Synopsis Thermal Analysis of Solid Compounds, Combined with Mass Spectrometry of Gaseous Decomposition Products by : R. N. Isaev
Download or read book Thermal Analysis of Solid Compounds, Combined with Mass Spectrometry of Gaseous Decomposition Products written by R. N. Isaev and published by . This book was released on 1973 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mass spectrometric analysis, performed in the course of thermolysis of solids (under isothermal or nonisothermal conditions), allows one to produce information on the specific features and mechanism of thermolysis. The system for introducing the specimen to be analyzed into the device is varied, depending on the specific tasks at hand.
Book Synopsis Analytical Pyrolysis by : Peter Kusch
Download or read book Analytical Pyrolysis written by Peter Kusch and published by BoD – Books on Demand. This book was released on 2019-02-13 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analytical pyrolysis deals with the structural identification and quantitation of pyrolysis products with the ultimate aim of establishing the identity of the original material and the mechanisms of its thermal decomposition. The pyrolytic process is carried out in a pyrolyzer interfaced with analytical instrumentation such as gas chromatography (GC), mass spectrometry (MS), gas chromatography coupled with mass spectrometry (GC/MS), or with Fourier-transform infrared spectroscopy (GC/FTIR). By measurement and identification of pyrolysis products, the molecular composition of the original sample can often be reconstructed.This book is the outcome of contributions by experts in the field of pyrolysis and includes applications of the analytical pyrolysis-GC/MS to characterize the structure of synthetic organic polymers and lignocellulosic materials as well as cellulosic pulps and isolated lignins, solid wood, waste particle board, and bio-oil. The thermal degradation of cellulose and biomass is examined by scanning electron micrography, FTIR spectroscopy, thermogravimetry (TG), differential thermal analysis, and TG/MS. The calorimetric determination of high heating values of different raw biomass, plastic waste, and biomass/plastic waste mixtures and their by-products resulting from pyrolysis is described.
Book Synopsis Multivariate Analysis of Progressive Thermal Desorption Coupled Gas Chromatography-mass Spectrometry by :
Download or read book Multivariate Analysis of Progressive Thermal Desorption Coupled Gas Chromatography-mass Spectrometry written by and published by . This book was released on 2010 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermal decomposition of poly dimethyl siloxane compounds, Sylgard{reg_sign} 184 and 186, were examined using thermal desorption coupled gas chromatography-mass spectrometry (TD/GC-MS) and multivariate analysis. This work describes a method of producing multiway data using a stepped thermal desorption. The technique involves sequentially heating a sample of the material of interest with subsequent analysis in a commercial GC/MS system. The decomposition chromatograms were analyzed using multivariate analysis tools including principal component analysis (PCA), factor rotation employing the varimax criterion, and multivariate curve resolution. The results of the analysis show seven components related to offgassing of various fractions of siloxanes that vary as a function of temperature. Thermal desorption coupled with gas chromatography-mass spectrometry (TD/GC-MS) is a powerful analytical technique for analyzing chemical mixtures. It has great potential in numerous analytic areas including materials analysis, sports medicine, in the detection of designer drugs; and biological research for metabolomics. Data analysis is complicated, far from automated and can result in high false positive or false negative rates. We have demonstrated a step-wise TD/GC-MS technique that removes more volatile compounds from a sample before extracting the less volatile compounds. This creates an additional dimension of separation before the GC column, while simultaneously generating three-way data. Sandia's proven multivariate analysis methods, when applied to these data, have several advantages over current commercial options. It also has demonstrated potential for success in finding and enabling identification of trace compounds. Several challenges remain, however, including understanding the sources of noise in the data, outlier detection, improving the data pretreatment and analysis methods, developing a software tool for ease of use by the chemist, and demonstrating our belief that this multivariate analysis will enable superior differentiation capabilities. In addition, noise and system artifacts challenge the analysis of GC-MS data collected on lower cost equipment, ubiquitous in commercial laboratories. This research has the potential to affect many areas of analytical chemistry including materials analysis, medical testing, and environmental surveillance. It could also provide a method to measure adsorption parameters for chemical interactions on various surfaces by measuring desorption as a function of temperature for mixtures. We have presented results of a novel method for examining offgas products of a common PDMS material. Our method involves utilizing a stepped TD/GC-MS data acquisition scheme that may be almost totally automated, coupled with multivariate analysis schemes. This method of data generation and analysis can be applied to a number of materials aging and thermal degradation studies.
Book Synopsis Thermal Analysis of Polymeric Materials by : Krzysztof Pielichowski
Download or read book Thermal Analysis of Polymeric Materials written by Krzysztof Pielichowski and published by John Wiley & Sons. This book was released on 2022-06-01 with total page 878 pages. Available in PDF, EPUB and Kindle. Book excerpt: An all-in-one reference work covering the essential principles and techniques on thermal behavior and response of polymeric materials This book delivers a detailed understanding of the thermal behavior of polymeric materials evaluated by thermal analysis methods. It covers the most widely applied principles which are used in method development to substantiate what happens upon heating of polymers. It also reviews the key application areas of polymers in materials science. Edited by two experts in the field, the book covers a wide range of specific topics within the aforementioned categories of discussion, such as: Crucial thermal phenomena - glass transition, crystallization behavior and curing kinetics Polymeric materials that have gained considerable interest over the last decade The latest advancements in techniques related to the field, such as modulated temperature DSC and fast scanning calorimetry The recent advances in hyphenated techniques and their applications Polymer chemists, chemical engineers, materials scientists, and process engineers can use this comprehensive reference work to gain clarity on the topics discussed within and learn how to harness them in practical applications across a wide range of disciplines.
Book Synopsis Reactions and Mechanisms in Thermal Analysis of Advanced Materials by : Atul Tiwari
Download or read book Reactions and Mechanisms in Thermal Analysis of Advanced Materials written by Atul Tiwari and published by John Wiley & Sons. This book was released on 2015-07-29 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt: Strong bonds form stronger materials. For this reason, the investigation on thermal degradation of materials is a significantly important area in research and development activities. The analysis of thermal stability can be used to assess the behavior of materials in the aggressive environmental conditions, which in turn provides valuable information about the service life span of the materiel. Unlike other books published so far that have focused on either the fundamentals of thermal analysis or the degradation pattern of the materials, this book is specifically on the mechanism of degradation of materials. The mechanism of rapturing of chemical bonds as a result of exposure to high-temperature environment is difficult to study and resulting mechanistic pathway hard to establish. Limited information is available on this subject in the published literatures and difficult to excavate. Chapters in this book are contributed by the experts working on thermal degradation and analysis of the wide variety of advanced and traditional materials. Each chapter discusses the material, its possible application, behavior of chemical entities when exposed to high-temperature environment and mode and the mechanistic route of its decomposition. Such information is crucial while selecting the chemical ingredients during the synthesis or development of new materials technology.
Download or read book Thermal Analysis Review written by and published by . This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermal Decomposition of Solids and Melts by : Boris V. L'vov
Download or read book Thermal Decomposition of Solids and Melts written by Boris V. L'vov and published by Springer. This book was released on 2007-08-23 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the results of investigations into the mechanisms and kinetics of thermal decompositions of solid and liquid substances on the basis of thermochemical analyses. The main features of these reactions are explained and many problems and unusual phenomena, which have accumulated in this field are interpreted. New methods of TA measurement and calculation have been developed, which permit the precision and accuracy of determination of kinetic parameters to be increased substantially.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1986 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography of Mass Spectroscopy Literature for 1970 by :
Download or read book Bibliography of Mass Spectroscopy Literature for 1970 written by and published by . This book was released on 1972 with total page 900 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Undergraduate Instrumental Analysis by : Thomas J. Bruno
Download or read book Undergraduate Instrumental Analysis written by Thomas J. Bruno and published by CRC Press. This book was released on 2023-07-31 with total page 1027 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analytical instrumentation is crucial to research in molecular biology, medicine, geology, food science, materials science, forensics, and many other fields. Undergraduate Instrumental Analysis, 8th Edition, provides the reader with an understanding of all major instrumental analyses, and is unique in that it starts with the fundamental principles, and then develops the level of sophistication that is needed to make each method a workable tool for the student. Each chapter includes a discussion of the fundamental principles underlying each technique, detailed descriptions of the instrumentation, and a large number of applications. Each chapter includes an updated bibliography and problems, and most chapters have suggested experiments appropriate to the technique. This edition has been completely updated, revised, and expanded. The order of presentation has been changed from the 7th edition in that after the introduction to spectroscopy, UV-Vis is discussed. This order is more in keeping with the preference of most instructors. Naturally, once the fundamentals are introduced, instructors are free to change the order of presentation. Mathematics beyond algebra is kept to a minimum, but for the interested student, in this edition we provide an expanded discussion of measurement uncertainty that uses elementary calculus (although a formula approach can be used with no loss of context). Unique among all instrumental analysis texts we explicitly discuss safety, up front in Chapter 2. The presentation intentionally avoids a finger-wagging, thou-shalt-not approach in favor of a how-to discussion of good laboratory and industrial practice. It is focused on hazards (and remedies) that might be encountered in the use of instrumentation. Among the new topics introduced in this edition are: • Photoacoustic spectroscopy. • Cryogenic NMR probes and actively shielded magnets. • The nature of mixtures (in the context of separations). • Troubleshooting and leaks in high vacuum systems such as mass spectrometers. • Instrumentation laboratory safety. • Standard reference materials and standard reference data. In addition, the authors have included many instrument manufacturer’s websites, which contain extensive resources. We have also included many government websites and a discussion of resources available from National Measurement Laboratories in all industrialized countries. Students are introduced to standard methods and protocols developed by regulatory agencies and consensus standards organizations in this context as well.
Book Synopsis Advances in Instrumentation by : WIEDEMANN
Download or read book Advances in Instrumentation written by WIEDEMANN and published by Birkhäuser. This book was released on 2013-06-29 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earlier efforts in the field of thermal analysis were concerned with the demonstration of the applicability of techniques to a broad spectrum of materials and to establish the relationship of such techniques with other more accepted methods. While such efforts will and should continue, the Third International Conference was unique in that the first standards were disclosed for differential thermal analysis. This was the culmination of the international, cooperative effort of the ICTA's Standardization Committee. The standards currently are available from the United State's National Bureau of Standards. Thus, thermal analysis can be considered to have attained its majority. Reali zation of full maturity can be expected in the near future. Inclusion of plenary lectures in these volumes represents a significant departure from previous Conferences. This change is the result of the ICTA's recognition of its educational responsibilities. In the Foreword of the Proceedings of the Second International Confer ence, Professor L. Berg expressed the hope that thermal methods of analysis would find wider application in science and technology. The citation above, together with the papers presented, indicate the fulfillment of this hope. Xerox Corporation C. B. Murphy Rochester, N.Y., U.S.A. President, ICTA 1968-1971 X Ill PREFACE For the past two decades thermoanalytical methods have reached a stage of considerable importance, which is particularly due to the developments in the area of instrumentation.
Book Synopsis Oil Shales and Tar Sands by : United States. Department of Energy
Download or read book Oil Shales and Tar Sands written by United States. Department of Energy and published by . This book was released on 1977 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography of Mass Spectroscopy Literature for 1971 by :
Download or read book Bibliography of Mass Spectroscopy Literature for 1971 written by and published by . This book was released on 1973 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Thermal Analysis written by HEMMINGER and published by Birkhäuser. This book was released on 1980 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Gas Chromatography written by Colin Poole and published by Elsevier. This book was released on 2012-07-26 with total page 753 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title provides comprehensive coverage of modern gas chromatography including theory, instrumentation, columns, and applications addressing the needs of advanced students and professional scientists in industry and government laboratories. Chapters are written by recognized experts on each topic. Each chapter offers a complete picture with respect to its topic so researchers can move straight to the information they need without reading through a lot of background information. Individual chapters written by recognized experts The big picture of gas chromatography from theory, to methods, to selected applications Provides references to other sources in associated areas of study to facilitate research Gives access to core data for practical work, comparison of results and decision making
Download or read book Fire Technology Abstracts written by and published by . This book was released on 1978 with total page 820 pages. Available in PDF, EPUB and Kindle. Book excerpt:
