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Author: A. Benninghoven
Publisher: Springer Science & Business Media
ISBN: 3642871488
Category : Science
Languages : en
Pages : 279
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Book Description
The Second International Conference on Ion Formation from Organic Solids (IFOS II) was held at the University of MUnster, Federal Republic of Germa ny, from September 7 to 9, 1982. The subject of the conference was the rapid ly developing field of ion formation from ~nvolatile, thermally labile organ ic compounds. Rapid progress has been made in this field in the last few years, mainly because of the discovery of unexpected new ionization proces ses such as sputtering and laser-induced desorption. The aim of the conference was twofold: to acquire a basic understanding of these "soft" ionization processes on the one hand, and to examine their present and future analytical applications on the other. ~Je sought to bring. together scientists working in fundamental as well as applied research. The participants represented such widely varied fields as pure and applied phys ics and chemistry, biochemistry, nuclear and solid-state physics, medicine, and pharmacology. These proceedings contain all of the papers presented at the conference. Six review papers cover the fundamentals of different ionization processes. The authors of these reviews were asked to give up-to-date surveys in cluding characteristics of spectra, the influence of excitation parameters, tentative models for ion formation processes, and assessments of their ana lytical applications. These reviews are followed by 26 contributed papers dealing with more specialized aspects of the ionization processes and their analytical applications.
Author: A. Benninghoven
Publisher: Springer Science & Business Media
ISBN: 3642871488
Category : Science
Languages : en
Pages : 279
Get Book Here
Book Description
The Second International Conference on Ion Formation from Organic Solids (IFOS II) was held at the University of MUnster, Federal Republic of Germa ny, from September 7 to 9, 1982. The subject of the conference was the rapid ly developing field of ion formation from ~nvolatile, thermally labile organ ic compounds. Rapid progress has been made in this field in the last few years, mainly because of the discovery of unexpected new ionization proces ses such as sputtering and laser-induced desorption. The aim of the conference was twofold: to acquire a basic understanding of these "soft" ionization processes on the one hand, and to examine their present and future analytical applications on the other. ~Je sought to bring. together scientists working in fundamental as well as applied research. The participants represented such widely varied fields as pure and applied phys ics and chemistry, biochemistry, nuclear and solid-state physics, medicine, and pharmacology. These proceedings contain all of the papers presented at the conference. Six review papers cover the fundamentals of different ionization processes. The authors of these reviews were asked to give up-to-date surveys in cluding characteristics of spectra, the influence of excitation parameters, tentative models for ion formation processes, and assessments of their ana lytical applications. These reviews are followed by 26 contributed papers dealing with more specialized aspects of the ionization processes and their analytical applications.
Author: Alfred Benninghoven
Publisher: Springer Science & Business Media
ISBN: 3642827187
Category : Science
Languages : en
Pages : 228
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Book Description
The 3rd International Conference on Ion Formation from Organic Solids (IFOS III) was held at the University of Munster, September 16-18, 1985. The conference was attended by 60 invited scientists from all over the world. Of the 43 papers which were presented, 40 are included in these proceedings. The aim of IFOS III was to promote the exchange of results and new ideas between scientists actively working in the field of mass spectrometry of involatile materials. Various aspects of the ion formation process - realization and optimization, theoretical understanding and analytical application -were treated, as well as instrumental developments. Some emphasis was placed on recent developments in time-of-flight and Fourier transform ion cyclotron resonance mass spectrometry, and its impact on the mass spectrometry of involatile materials. The most important goal of the conference was to combine facets of the understanding of the most complex ion formation processes with the many different aspects of its analytical application. The participants came from a wide variety of different fields, including pure and applied physics and chemistry, medicine, pharmacy, and space research. Finally, on behalf of all the conference participants, I would like to thank Dr. W. Sichtermann and :\1iss I. Bekemeier for the perfect preparation and technical organization of the conference. The next conference in this series, IFOS IV, is planned for the autumn of 1987, in Munster.
Author: A. Benninghoven
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 182
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Book Description
Contains 23 of the 42 papers presented at the Fourth International Conference on Ion Formation from Organic Solids, held at the University of Münster, in September of 1987. These contributions reflect recent progress in ion desorption by keV-particle bombardment, ion desorption by MeV-particle bombardment, ion desorption by laser irradiation, and positionization of neutrals. Fundamental aspects, instrumentation, and analytical applications are all considered.
Author: Zory Vlad Todres
Publisher: CRC Press
ISBN: 0824743717
Category : Science
Languages : en
Pages : 537
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Book Description
Examining the formation, transformation, and application of ion radicals in typical conditions of organic synthesis, Organic Ion Radicals: Chemistry and Applications explains the reactions and principles of ion radical chemistry. The author addresses methods of determining ion- radical mechanisms and controlling ion radical reactions, issues relating to ecology and biology, and inorganic participants in ion radical organic reactions. Applications discussed include the roles of ion radicals in biological systems and their uses in optoelectronics, organic metals, and the manufacture of paper.
Author: P. Heinrich Stahl
Publisher: John Wiley & Sons
ISBN: 9783906390581
Category : Medical
Languages : en
Pages : 392
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Book Description
This comprehensive up-to-date guide and information source is an instructive companion for all scientists involved in research and development of drugs and, in particular, of pharmaceutical dosage forms. The editors have taken care to address every conceivable aspect of the preparation of pharmaceutical salts and present the necessary theoretical foundations as well as a wealth of detailed practical experience in the choice of pharmaceutically active salts. Altogether, the contributions reflect the multidisciplinary nature of the science involved in selection of suitable salt forms for new drug products.
Author: K.G. Standing
Publisher: Springer Science & Business Media
ISBN: 1468479261
Category : Science
Languages : en
Pages : 319
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Book Description
A NATO Advanced Research Workshop on Methods and Mechanisms for Producing Ions from Large Molecules was held at Minaki Lodge, Minaki, Ontario, Canada, from 24 to 28 June 1990. The workshop was hosted by the time-of-flight group of the Department of Physics at the University of Manitoba, and was attended by 64 invited participants from around the world. Twenty-nine invited talks were given and 19 papers were presented as posters. Of the 48 contributions, 38 are included in these proceedings. The conference was organized to study the rapidly changing field of mass spectrometry of biomolecules. Particle-induced desorption (especially with MeV particles) has been the most effective method of producing molecular ions from biomolecules. An important part of the workshop was devoted to recent developments in this field, particularly to progress in understanding the fundamentals of the desorption process. In this respect, the meeting was similar to previous conferences in Marburg, FRG (1978); Paris, F (1980); Uppsala, S (1981); College Station, USA (1983,1984); Wangerooge, FRG (1986); Orsay, F (1988); Spiekeroog, FRG (1989); and to the IFOS series of meetings at Munster, FRG (1981,1983,1985,1987) and L6vAnger, S (1989). As in the most recent of these meetings, there was some emphasis on new developments, particularly cluster bombardment. A departure from the concentration on particle bombardment processes at this conference was inspired by the dramatic results obtained with two new methods for producing molecular ions from large molecules: matrix-assisted laser desorption and electrospray.
Author: Bruce Averill
Publisher:
ISBN: 9780321413703
Category : Chemistry
Languages : en
Pages : 1233
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Book Description
Emphasises on contemporary applications and an intuitive problem-solving approach that helps students discover the exciting potential of chemical science. This book incorporates fresh applications from the three major areas of modern research: materials, environmental chemistry, and biological science.
Author: Paul Flowers
Publisher:
ISBN: 9781947172623
Category : Chemistry
Languages : en
Pages : 0
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Book Description
Chemistry 2e is designed to meet the scope and sequence requirements of the two-semester general chemistry course. The textbook provides an important opportunity for students to learn the core concepts of chemistry and understand how those concepts apply to their lives and the world around them. The book also includes a number of innovative features, including interactive exercises and real-world applications, designed to enhance student learning. The second edition has been revised to incorporate clearer, more current, and more dynamic explanations, while maintaining the same organization as the first edition. Substantial improvements have been made in the figures, illustrations, and example exercises that support the text narrative. Changes made in Chemistry 2e are described in the preface to help instructors transition to the second edition.
Author: Z. Marczenko
Publisher: Elsevier
ISBN: 0080541089
Category : Science
Languages : en
Pages : 526
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Book Description
Spectrophotometry enables one to determine, with good precision and sensitivity, almost all the elements present in small and trace quantities of any material. The method is particularly useful in the determination of non-metals and allows the determination elements in a large range of concentrations (from single % to low ppm levels) in various materials.In Separation, Preconcentration and Spectrophotometry in Inorganic Analysis, much attention has been paid to separation and preconcentration methods, since they play an essential role in increasing the selectivity and sensitivity of spectrophotometric methods. Separation and preconcentration methods have also been utilised in other determination techniques.Spectrophotometric methods which are widely used for the determination of the elements in a large variety of inorganic materials are presented in the book whilst separation and preconcentration procedures combined with spectrophotometry are also described. This book contains recent advances in spectrophotometry, detailed discussion of the instrumentation, and the techniques and reagents used for spectrophotometric determination of elements in a wide range of materials as well as a detailed discussion of separation and preconcentration procedures that precede the spectrophotometric detection.
Author: Mynard Hamming
Publisher: Elsevier
ISBN: 0323143148
Category : Science
Languages : en
Pages : 709
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Book Description
Interpretation of Mass Spectra of Organic Compounds outlines the basic instrumentation, sample handling techniques, and procedures used in the interpretation of mass spectra of organic compounds. The fundamental concepts of ionization, fragmentation, and rearrangement of ions as found in mass spectra are covered in some detail, along with the rectangular array and interpretation maps. Computerization of mass spectral data is also discussed. This book consists of nine chapters and begins with a historical overview of mass spectrometry and a discussion on some important developments in the field, along with a summary of interpretation objectives and methods. The following chapters focus on instruments, ion sources, and detectors; recording of the mass spectrum and the instrumental and sample variables affecting the mass spectrum; sample introduction systems; and fragmentation reactions. Correlations as applied to interpretations are also considered, with emphasis on applications of the branching rule as well as beta-bond and alpha-bond cleavages. Example interpretations, calculations, data-processing procedures, and computer programs are included. This monograph is intended for organic chemists, biochemists, mass spectroscopists, technicians, managers, and others concerned with the whys and wherefores of mass spectrometry.
