Microbeam Analysis. Electron Probe Microanalysis. Quantitative Point Analysis for Bulk Specimens Using Wavelength-Dispersive X-Ray Spectroscopy PDF Download
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Author: British Standards Institute Staff
Publisher:
ISBN: 9780580502378
Category :
Languages : en
Pages : 24
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Book Description
Chemical analysis and testing, Microanalysis, Electron beams, Spectroscopy, Instrumental methods of analysis, Dispersion (waves), Wavelengths, X-rays, X-ray analysis, Specimen preparation, Test equipment
Author: British Standards Institute Staff
Publisher:
ISBN: 9780580502378
Category :
Languages : en
Pages : 24
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Book Description
Chemical analysis and testing, Microanalysis, Electron beams, Spectroscopy, Instrumental methods of analysis, Dispersion (waves), Wavelengths, X-rays, X-ray analysis, Specimen preparation, Test equipment
Author: International Organization for Standardization
Publisher:
ISBN:
Category : Electron probe microanalysis
Languages : en
Pages : 17
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Book Description
Author: Abraham Boekestein
Publisher: Springer Science & Business Media
ISBN: 3709166799
Category : Science
Languages : en
Pages : 271
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Book Description
This supplement of Mikrochimica Acta contains selected papers from the Second Workshop of the European Microbeam Analysis Society (EMAS) "Modern Developments and Applications in Microbeam Analysis", on which took place in May 1991 in Dubrovnik (Yugoslavia). EMAS was founded in 1987 by members from almost all European countries, in order to stimulate research, applications and development of all forms of microbeam methods. One of the most important activities EMAS is the organisation of biannual workshops for demonstrating the current status and developing trends of microbeam methods. For this meeting, EMAS chose to highlight the following topics: electron-beam microanalysis (EPMA) of thin films and quantitative analysis of ultra-light elements, Auger electron spectroscopy (AES), electron energy loss spec trometry (EELS), high-resolution transmission electron microscopy (HRTEM), quantitative analysis of biological samples and standard-less electron-beam microanalysis. Seven introductory lectures and almost seventy poster presentations were given by speakers from twelve European and two non-European (U.S.A. and Argentina) countries were made. One cannot assume that all fields of research in Europe were duly represented, but a definite trend is discernible. EPMA with wavelength-dispersive spectrometry (WDS) or energy-dispersive spectrometry (EDS) is the method with by far the widest range of applications, followed by TEM with EELS and then AES. There are also interesting suggestions for the further development of new appa ratus with new fields of application. Applications are heavily biased towards materials science (thin films in microelectronics and semicon ductors), ceramics and metallurgy, followed by analysis of biological and mineral samples.
Author: A. J. Tousimis
Publisher: Elsevier
ISBN: 1483284638
Category : Science
Languages : en
Pages : 463
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Book Description
Electron Probe Microanalysis presents a collection of reviews on various aspects of electron probe microanalysis. This book discusses the model for quantitative electron probe analysis. Organized into 14 chapters, this book begins with an overview of the various kinds of microanalysis followed by a discussion of the advantages that can be derived from using the electron probe method. This text then examines the various applications of backscattered electron and specimen current methods for quantitative analysis. Other chapters consider the fundamental concepts for quantitative electron probe microanalysis utilizing pure elements as standards. This book discusses as well the absolute method of quantitative chemical analysis by emission X-ray spectroscopy. The final chapter deals with the main advantage of the Kossel technique in the study of the thermodynamic and mechanical characteristics of crystals. This book is a valuable resource for scientists and research workers. Non-specialists who need information on this excellent analytical tool will also find this book useful.
Author: British Standards Institute Staff
Publisher:
ISBN: 9780580445170
Category :
Languages : en
Pages : 20
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Book Description
Electron beams, Microanalysis, Chemical analysis and testing, X-ray fluorescence spectrometry, Spectrophotometry, Spectroscopy, Instrumental methods of analysis, Dispersion (waves), Wavelengths, Electron microscopes
Author: Peter E. J. Flewitt
Publisher: CRC Press
ISBN: 1351043161
Category : Science
Languages : en
Pages : 796
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Book Description
This completely revised and expanded new edition covers the full range of techniques now available for the investigation of materials structure and accurate quantitative determination of microstructural features within materials. It continues to provide the best introductory resource for understanding the interrelationship between microstructure and physical, mechanical, and chemical properties, as well as selection and application of techniques for both basic and applied studies. In particular, changes have been made to reflect developments in analysis of nanoscale and biological materials.
Author: A.G Fitzgerald
Publisher: Routledge
ISBN: 1351420526
Category : Science
Languages : en
Pages : 563
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Book Description
Quantitative Microbeam Analysis provides a comprehensive introduction to the field of quantitative microbeam analysis (MQA). MQA is a technique used to analyze subatomic quantities of materials blasted from a surface by a laser or particle beam, providing information on the structure and composition of the material. Contributed to by international experts, the book is unique in the breadth of microbeam analytical techniques covered. For each technique, it develops the theoretical background, discusses practical details relating to choice of equipment, and describes the current advances. The book highlights developments relating to Auger electron spectroscopy in scanning electron microscopes and transmission electron microscopes and advances in surface analytical imaging and accelerated ion beam-surface interactions.
Author: Roger Theisen
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 186
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Book Description
The Electron "licroprobe X-!{ay Analyscr conceivcd b ' R C.\S'L\I: \G and A. Cl'!: '\ lEI( in 1949 has been developcd as an extremelv po\\'crful tool in spcctrochcmical analysis for a wide range of applications, ranging from qualitative elcmcntary distribution studies, to highly localiscd quantitatin analysis on a one micron scale. \\'ith the increasing number oi' versatile instruments, commcrcially available, the domain of applications - in metallurgy, solid state physics, mineralogy and geology, biology and medicine, arts and archeology - is rapidly expanding, particularly because reliable quantitative analyses can be achieved. It is well established that in multicomponent specimens, the relative x-ray intensity generated by the electron bombardment - i.e. the intensity ratio of the characteristic x-ray radiation emitted under identical experimental conditions by the specimen and a calibration standard - is not directly correlated to the elementary mass concentration. The use of a wide scale of carefully prepared homogeneous calibration standards is generally very tedious and restricted to binar)' systems. For more complex specimens, the conversion of recorded x-ra)' intensity ratios to elementary mass concentration requires, besides carefule selection of experimental conditions, an adequate correction calculation to take account oi' the various physical phenomenas occurring in the tarp;et - electron retardation, electron backseattering, x-ray excitation efficieney, fluorescence enhaneement by eharaeteristic and continuous radiation and x-ray mass absorption.
Author: Joseph Goldstein
Publisher: Springer Science & Business Media
ISBN: 1461518253
Category : Science
Languages : en
Pages : 375
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Book Description
From its early days in the 1950s, the electron microanalyzer has offered two principal ways of obtaining x-ray spectra: wavelength dispersive spectrometry (WDS), which utilizes crystal diffraction, and energy dispersive spectrometry (EDS), in which the x-ray quantum energy is measured directly. In general, WDS offers much better peak separation for complex line spectra, whereas EDS gives a higher collection efficiency and is easier and cheaper to use. Both techniques have undergone major transformations since those early days, from the simple focusing spectrometerand gas proportional counter of the 1950s to the advanced semiconductor detectors and programmable spectrometersoftoday. Becauseofthesedevelopments, thecapabilities and relative merits of EDS and WDS techniques have been a recurring feature of microprobeconferences for nearly40 years, and this volume bringstogetherthepapers presented at the Chuck Fiori Memorial Symposium, held at the Microbeam Analysis Society Meeting of 1993. Several themes are apparent in this rich and authoritative collection of papers, which have both a historical and an up-to-the-minute dimension. Light element analysis has long been a goal of microprobe analysts since Ray Dolby first detected K radiation with a gas proportional counter in 1960. WDS techniques (using carbon lead stearate films) were not used for this purpose until four years later. Now synthetic multilayers provide the best dispersive elements for quantitative light element analy sis-still used in conjunction with a gas counter.
Author: Karl Zierold
Publisher: Springer Science & Business Media
ISBN: 364274477X
Category : Science
Languages : en
Pages : 331
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Book Description
The aim of electron probe microanalysis of biological systems is to identify, localize, and quantify elements, mass, and water in cells and tissues. The method is based on the idea that all electrons and photons emerging from an electron beam irradiated specimen contain information on its structure and composition. In particular, energy spectroscopy of X-rays and electrons after interaction of the electron beam with the specimen is used for this purpose. However, the application of this method in biology and medicine has to overcome three specific problems: 1. The principle constituent of most cell samples is water. Since liquid water is not compatible with vacuum conditions in the electron microscope, specimens have to be prepared without disturbing the other components, in parti cular diffusible ions (elements). 2. Electron probe microanaly sis provides physical data on either dry specimens or fully hydrated, frozen specimens. This data usually has to be con verted into quantitative data meaningful to the cell biologist or physiologist. 3. Cells and tissues are not static but dynamic systems. Thus, for example, microanalysis of physiolo gical processes requires sampling techniques which are adapted to address specific biological or medical questions. During recent years, remarkable progress has been made to overcome these problems. Cryopreparation, image analysis, and electron energy loss spectroscopy are key areas which have solved some problems and offer promise for future improvements.
