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Analysis And Fate Of Surfactants In The Aquatic Environment

Author: Thomas P. Knepper
Publisher: Elsevier
ISBN: 9780080548333
Size: 46.79 MB
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An understanding of the fate and behaviour of organic chemicals, such as surfactants, in the environment is a prerequisite for the sustainable development of human health and ecosystems. As surfactants are being produced in huge amounts, it is important to have a detailed knowledge about their lifetime in the environment, their biodegradability in wastewater treatment plants and in natural waters, and their ecotoxicity. Parameters relevant for the assessment of long-term behaviour, such as interactions with hormonal systems need to be understood to avoid unexpected adverse effects to future generations of people and the environment. However, the identification and quantification of commercial surfactants in the environment is made more complicated and cumbersome because they comprise of tens to hundreds of homologues, oligomers and isomers of anionic, nonionic, cationic and amphoteric compounds. The EU-funded PRISTINE project (Priority surfactants and their toxic metabolites in wastewater effluents: An integrated study; ENV4-CT97-0494) provides the basis for the content of this title. It provides policy makers and industry with detailed information on analysis and concentrations of surfactants and their degradation products in the environment. In addition to a general introduction to surfactants, this book comprises a comprehensive variety of analytical techniques, including sample handling, for the analysis of surfactants in the aquatic environment. Readers will find all the necessary information for analyzing the different groups of surfactants, with special emphasis on transformation products. Quality assurance is also reported on in detail. Chapters on toxicity and risk assessment are also included and give a complete perspective on the surfactants problem in the aquatic environment. · Presents the finding of EU-funded research into fate and behaviour of organic chemicals in the environment · Comprises a comprehensive variety of analytical techniques, including sample handling, for the analysis of surfactants in the aquatic environment · Provides relevant information to all groups working in the field of surfactants

Comprehensive Analytical Chemistry

Author: Cecil Leeburn Wilson
Size: 12.68 MB
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Capillary Electrophoresis (CE) is a powerful analytical technique used to separate compounds and is increasingly being used in routine analytical laboratories. Analysis and Detection by Capillary Electrophoresis presents developments enabling the enhancement of the detection sensitivity in CE, including the different strategies used to achieve sensitivity requirements. It describes techniques allowing sample preconcentration and sensitive continuous detection systems and looks at recent developments such as chiral analysis in CE and electrochemical detection in microchips. UV-Vis absorbance detection, as the most widely used detection system in CE, is also presented. Analysis and Detection by Capillary Electrophoresis delves into the practical approaches used in the field and will greatly benefit analytical chemists, as well as students, teachers, technical analysts, scientists and researchers involved in capillary electrophoresis. * An overview of practical approaches employed in capillary electrophoresis, including the fundamentals, instrumentation, and applications of continuous detections systems employed in capillary electrophoresis * Covers aspects of capillary electrophoresis that have never previously been covered * Written by leading experts in the field

Sample Preparation For Trace Element Analysis

Author: Zoltan Mester
Publisher: Elsevier
ISBN: 9780080545486
Size: 76.57 MB
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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.

Non Destructive Micro Analysis Of Cultural Heritage Materials

Author: K. Janssens
Publisher: Elsevier
ISBN: 9780080454429
Size: 50.52 MB
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This book provides the scientific and technical background materials of non-destructive methods of microscopic analysis that are suitable for analysing works of art, museum pieces and archeaological artefacts. Written by experts in the field, this multi-author volume contains a number of case studies, illustrating the value of these methods. The book is suited to natural scientists and analysts looking to increase their knowledge of the various methods that are currently available for non-destructive analysis. It is also the perfect resource for museum curators, archaeologists and art-historians seeking to identify one or more suitable methods of analysis that could solve material-related problems.

Biosensors And Modern Biospecific Analytical Techniques

Author: L. Gorton
Publisher: Elsevier
ISBN: 9780080454412
Size: 70.94 MB
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Biosensors and Modern Biospecific Analytical Techniques further expands the Comprehensive Analytical Chemistry series' coverage of rapid analysis based on advanced technological developments. This 12-chapter volume summarizes the main developments in the biosensors field over the last 10 years. It provides a comprehensive study on the different types of biosensors, including DNA-based, enzymatic, optical, self-assembled monolayers and the third generation of biosensors. As well as many technological developments on bioanalytical microsystems and new materials for biosensors, antibody and immunoassay developments have a prominent place in the book. * Provides a comprehensive study on the different types of biosensors * Applications covered include environmental analysis, bioprocess monitoring and biomedicine * An indispensable resource for those working in analytical chemistry

Chromatographic Mass Spectrometric Food Analysis For Trace Determination Of Pesticide Residues

Author: A.R. Fernandez Alba
Publisher: Elsevier
ISBN: 9780080454405
Size: 37.62 MB
Format: PDF, Kindle
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The trace determination of pesticides continues to be a topic for analytical chemists working in research centres, government and universities. With four chapters devoted to chromatography-mass spectrometry methods, readers are able to understand the analytical basis, technical characteristics and possibilities to evaluate pesticides in food by gas chromatography (GC) and liquid chromatography (LC) mass spectrometry. The book also provides a well-defined and critical compilation of the sample treatment and clean-up procedures, as well as injection techniques applied in GC and LC food analysis. Finally the book deals with aspects related to analytical quality control requirements for pesticide residues, in addition to pesticide regulation aspects. * Contains specific chapters devoted to chromatography-mass spectrometry methods * Provides a well-defined and critical compilation of the sample treatment and clean-up procedures * Contains aspects related to analytical quality control requirements for pesticide residues

The Encyclopedia Of Mass Spectrometry

Author: Michael L. Gross
Publisher: Elsevier Science
ISBN: 9780080438474
Size: 30.99 MB
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Volume 8 covers principles, instrumentation and applications of hyphenated methods involving mass spectrometry. This volume concentrates on mass spectrometry in online combination with gas chromatography, liquid chromatography and other analytical tools. Considerable attention is paid to the application of these hyphenated methods in key areas including: pharmaceutical science, environmental science, clinical practice, toxicology, forensic science, biochemistry/biotechnology, food safety and analysis, and characterization of natural products. The articles are written like tutorials; they cover the basics and provide sufficient detail to bring the reader up-to-date on a given subject. Each article contains useful references for further reading. · Covers principles, instrumentation and applications of hyphenated methods involving mass spectrometry · Details applications of hyphenated methods in the most important fields · Written in the style of tutorials, providing sufficient detail to bring the reader up-to date on the subject area

Gold Nanoparticles In Analytical Chemistry

Publisher: Elsevier
ISBN: 0444632867
Size: 59.44 MB
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Analytical nanoscience and nanotechnology is a growing topic that is expected to have a great impact in the field of analytical chemistry. Many of the exceptional properties of gold nanoparticles make them suitable for different analytical applications and these applications allow extrapolations for their use in other fields as well. In analytical chemistry gold nanoparticles play two main roles, namely: i) As target analytes in the realm of the analysis of the nanoworld; and ii) As tools to improve analytical processes, such as the use of gold nanoparticles as components of electrodes, in spectroscopic techniques and (bio)chemical sensors and lateral flow sensors. This book is a comprehensive review of the role of gold nanoparticles in analytical nanoscience and nanotechnology, with chapters devoted to their synthesis, physico-chemical characteristics, derivatization and potential toxicity. The main microscopic, spectroscopic and separation techniques for the characterization are reviewed as well as the developments for their determination in environmental, biological and agrifood samples. Provides an integral approach devoted to a specific nanoparticle Considers gold nanoparticles as target analytes, as analytical tools and their relationships Organizes the material in a novel way

Analysis Of Surfactants Second Edition

Author: Thomas M. Schmitt
Publisher: CRC Press
ISBN: 9780203908556
Size: 44.46 MB
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In the tradition of the popular first edition, Analysis of Surfactants, Second Edition offers a comprehensive and practical account of analysis methods for determining and understanding commercially important surfactants-individually and in compounds. Combining a complete review of the literature with a variety of evaluation procedures and the specifications for commercial products, this useful reference explores the key stages and latest developments for surfactant applications. This edition has been thoroughly expanded and features new sections on capillary electrophoresis, ether carboxylates, and ester quats. It is also more globally accessible with foreign language citations and SI units. Containing over 2400 references, drawings, tables, and equations, Analysis of Surfactants, Second Edition is an recommended reference for physical, surface, colloid, and oil chemists; analytical, research, and quality assurance chemists working in the soap and detergent, pharmaceuticals, and cosmetic industries; regulatory and food scientists; and upper-level undergraduate and graduate students in these disciplines.