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Following the collection of a sample, every analytical chemist will agree that its subsequent preservation and processing are of paramount importance. The availability of high performance analytical instrumentation has not diminished this need for careful selection of appropriate pretreatment methodologies, intelligently designed to synergistically elicit optimum function from these powerful measurement tools. Sample Preparation for Trace Element Analysis is a modern, comprehensive treatise, providing an account of the state-of-the art on the subject matter. The book has been conceived and designed to satisfy the varied needs of the practicing analytical chemist. It is a multi-author work, reflecting the diverse expertise arising from its highly qualified contributors. The first five chapters deal with general issues related to the determination of trace metals in varied matrices, such as sampling, contamination control, reference materials, calibration and detection techniques. The second part of the book deals with extraction and sampling technologies (totaling 15 chapters), providing theoretical and practical hints for the users on how to perform specific extractions. Subsequent chapters overview seven major representative matrices and the sample preparation involved in their characterization. This portion of the book is heavily based on the preceding chapters dealing with extraction technologies. The last ten chapters are dedicated to sample preparation for trace element speciation. - First title to provide comprehensive sample preparation information, dealing specifically with the analysis of samples for trace elements. - The 39 chapters are authored by international leaders of their fields.
This book on Sample Preparation for Trace Element Analysis, edited by Zoltan Mester and Ralph Sturgeon, is a useful addition to the Comprehensive Analytical Chemistry series. The impressive number of pages indicates the importance of sample preparation in the area of trace element determination. In a way, it follows the philosophy of a previous book in the series edited by Janusz Pawliszyn (Sampling and Sample Preparation for Field and Laboratory, vol XXXVII), and devoted to organic analysis. In that work, the two editors of this volume contributed a chapter on sample preparation for trace element speciation. It is a pleasure for me to introduce such a comprehensive book with a total of 39 chapters divided in four sections, including several introductory chapters on sampling, calibration, traceability and detection methods. These are followed by 17 chapters dealing with approaches to sample digestion and extraction. This is obviously one of the key issues in sample preparation, and for this reason a variety of chapters that include most of the methods in use – microwaves, solid phase microextraction, membrane extraction, laser ablation, flow injection etc. – are presented. The final 10 chapters cover specific applications to trace element speciation, dealing with different species and matrices, e.g. organotin, mercury, arsenic, metal-based drugs, chromium and also sequential extraction. The book includes a long list of recognised experts. In addition, many of them are previous contributors to books in this series dealing with speciation. In this respect, the present book is complementary to two previous volumes in the series – vol XXXIII on Elemental Speciation edited by Joe Caruso et al. and vol XXXIV on Discrete Sample Introduction Techniques for Inductively Coupled Plasma Mass Spectrometry by Diane Beauchemin and co-authors. With the publication of these three books the Comprehensive Analytical Chemistry series has extensively covered the area of elemental analysis, speciation and the very important bottleneck of sample preparation. I am sure that all three volumes will be a valuable reference for all researchers working in these fields. Finally I would like to thank not only the editors of the book but also the various authors for their contributions towards such a comprehensive, unique book on sample preparation for trace element analysis. Professor D. Barcelo´ Dept. of Environmental Chemistry IIQAB-CSIC Barcelona, Spain Xliii
The book reviews the basic concepts and highlights the most relevant advances and developments that have taken place in the field of comprehensive two dimensional gas chromatography (GC x GC) since its introduction in 1991. The several instrumental and technical approaches assayed and developed during these seventeen years and that have contributed to the development of this powerful separation technique and to its increasing application in many areas is explained and comprehensively illustrated through a number of chapters devoted these specific topics. More specialized aspects of the technique, including theoretical aspects, modelization of the chromatographic process, software developments, and alternative couplings is also covered. Finally, special attention is paid to data treatment, for both qualitative and quantitative analysis. This book will be a practical resource that will explain from basic to specialized concepts of GC x GC and will show the current state-of-the-art and discuss future trends of this technique. Outlines basic concepts and principles of GCxGC technique for non-specialists to apply the technique to their research Provides detailed descriptions of recent technical advances and serves as an instructional guide in latest applications in GCxGC Sets the scene for possible future development and alternative new applications of technique
The application of nanotechnology in different consumer products has delivered new products with highly desirable properties, but at same time has opened a new window for a wide group of emerging contaminants and a new type of human exposure which needs to be assessed. Most of the current human toxicological information on nanomaterials comes from nano-sized particles in air, and their effects via inhalation. Other routes of human exposure, such as water and food, and the effects on human health and the environment have been less studied. It is the recent research in these areas that is highlighted here in one of the first books covering the analysis and ecotoxicological evaluation of nanomaterials in food and the environment, with both matrices being of considerable interest. In addition to providing a global summary of recent research, this book shows how widely used chromatographic and spectroscopic methods can be added to the analytical arsenal of microscopic techniques that have commonly been used to characterize nanomaterials. Describes the analytical techniques used to characterize nanomaterials and their applications in environmental or food samples Includes analysis and ecotoxicological evaluation of nanomaterials in food and environmental matrices Takes a detailed look at the research on emerging fields of human exposure to nanomaterials and their environmental risks
Describes the theory, apparatus, performance and usage of modern methods for trace element determination, atomic absorption, emission, fluorescence and mass spectroscopies, x-ray techniques and activation analysis. Attention is given to sample preparation, current calibration procedures and to methods for trace element speciation. Contains in-depth information on relatively new techniques such as ICP-MS and PIXE. All methods are illustrated with authentic examples from the ever-expanding fields of environmental and biological analysis of high purity materials.
New developments in mass spectrometry have allowed routine identification and lowered limits of detection at levels only imagined a decade ago. Thousands of contaminants and residues in the food supply and the environment are now being reported. Between 2005 and 2010, more than 5,000 publications covering TOF-MS and environmental and food analysis were published, showing the importance of the technique in these applications. This book covers the basic principles of method development in GC- and LC-TOF-MS as well as the main operational parameters related to TOF-MS. The second part focuses on the relevant environmental applications, including quality control aspects as well as data collection. The third part is devoted to relevant applications in food analysis, including validation procedures for screening analysis as well as relevant databases. Outlines basic concepts and principles of gas and liquid chromatography TOF-MS and its application in food analysis Includes quality control and data collection techniques Focuses on environmental implications and safety concerns

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