Optimization of the Electrochemical Pre-concentration of F-elements

Optimization of the Electrochemical Pre-concentration of F-elements

Author: Jamie L. Doyle

Publisher:

Published: 2014

Total Pages:

ISBN-13: 9781321251661

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Rapid pre-concentration of trace lanthanide cations in aqueous solution has been achieved using mercury film electrodes. Although effective, this technique has shown minimal sample carryover when used to pre-concentrate trace level plutonium. With potential applications to nuclear forensics and environmental monitoring, maximum sample pre-concentration is critical for accurate analysis. Through work investigating the characteristics of various aqueous matrices, optimal working conditions can be found and applied to a range of f-elements. Additional work in understanding the mechanism of metal adsorption to the mercury film electrode contributes to optimization of the technique. To date, the influence of the mercury film has shown to be significant in the pre-concentration process, most likely due to the adsorption being a function of metal amalgamation.


Preconcentration Techniques For Trace Elements

Preconcentration Techniques For Trace Elements

Author: Zeev Alfassi

Publisher: CRC Press

Published: 1991-12-07

Total Pages: 490

ISBN-13: 9780849352133

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Accurate determination of trace elements is critical in various fields of science and technology. Direct measurement of trace elements in samples with complex matrices is often impractical, either due to analytical sensitivity limitations or matrix interferences. Preconcentration procedures are generally needed to eliminate matrix interferences and/or enrich minute amounts of analytes to a level for reliable measurements. Preconcentration Techniques for Trace Elements provides up-to-date information on various preconcentration techniques and detailed discussions regarding such topics as the dissolution of matrices, coprecipitation, solvent extraction, electrochemical means, ion exchange, sorption, chromatographic methods, flotation, membranes, volatization, polymer foam sorbents, fire assay, isotachophoresis, and filter papers. This comprehensive volume, featuring contributions from 21 experts from nine countries, will provide valuable reference material for all scientists and technicians dealing with trace analysis of real-world samples.


Methods of Seawater Analysis

Methods of Seawater Analysis

Author: Klaus Grasshoff

Publisher: John Wiley & Sons

Published: 2009-07-30

Total Pages: 632

ISBN-13: 3527613994

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Since the book first appeared in 1976, Methods of Seawater Analysis has found widespread acceptance as a reliable and detailed source of information. Its second extended and revised edition published in 1983 reflected the rapid pace of instrumental and methodological evolution in the preceding years. The development has lost nothing of its momentum, and many methods and procedures still suffering their teething troubles then have now matured into dependable tools for the analyst. This is especially evident for trace and ultra-trace analyses of organic and inorganic seawater constituents which have diversified considerably and now require more space for their description than before. Methods to determine volatile halocarbons, dimethyl sulphide, photosynthetic pigments and natural radioactive tracers have been added as well as applications of X-ray fluorescence spectroscopy and various electrochemical methods for trace metal analysis. Another method not previously described deals with the determination of the partial pressure of carbon dioxide as part of standardised procedures to describe the marine CO2 system.


Lanthanide and Actinide Chemistry

Lanthanide and Actinide Chemistry

Author: Simon Cotton

Publisher: John Wiley & Sons

Published: 2013-03-15

Total Pages: 308

ISBN-13: 1118681363

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The only introduction into the exciting chemistry of Lanthanides and Actinides. The book is based on a number of courses on "f elements" The author has a long experience in teaching this field of chemistry Lanthanides have become very common elements in research and technology applications; this book offers the basic knowledge The book offers insights into a vast range of applications, from lasers to synthesis The Inorganic Chemistry: A Textbook series reflects the pivotal role of modern inorganic and physical chemistry in a whole range of emerging areas, such as materials chemistry, green chemistry and bioinorganic chemistry, as well as providing a solid grounding in established areas such as solid state chemistry, coordination chemistry, main group chemistry and physical inorganic chemistry. Lanthanide and Actinide Chemistry is a one-volume account of the Lanthanides (including scandium and yttrium), the Actinides and the Transactinide elements, intended as an introductory treatment for undergraduate and postgraduate students. The principal features of these elements are set out in detail, enabling clear comparison and contrast with the Transition Elements and Main Group metals. The book covers the extraction of the elements from their ores and their purification, as well as the synthesis of the man-made elements; the properties of the elements and principal binary compounds; detailed accounts of their coordination chemistry and organometallic chemistry, from both preparative and structural viewpoints, with a clear explanation of the factors responsible for the adoption of particular coordination numbers; spectroscopy and magnetism, especially for the lanthanides, with case studies and accounts of applications in areas like magnetic resonance imaging, lasers and luminescence; nuclear separations and problems in waste disposal for the radioactive elements, particularly in the context of plutonium. Latest developments are covered in areas like the synthesis of the latest man-made elements, whilst there is a whole chapter on the application of lanthanide compounds in synthetic organic chemistry. End-of-chapter questions suitable for tutorial discussions are provided, whilst there is a very comprehensive bibliography providing ready access to further reading on all topics.


Environmental Oriented Electrochemistry

Environmental Oriented Electrochemistry

Author: C.A.C. Sequeira

Publisher: Elsevier

Published: 1994-06-06

Total Pages: 747

ISBN-13: 0080875181

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This book concentrates on the electrochemistry/environment relationship including, among others, chapters on design and operation of electrochemical reactors and separators, process simulation, development and scale-up, optimization and control of electrochemical processes applied to environmental problems, also including economic analysis, description of unique current and future applications, in addition to basic research into developing new technologies. It is hoped that this volume will be considered interesting and extremely timely to specialists in electrochemistry and environmental sciences.