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The knowledge of metal ion speciation is essential for predicting the exact toxicities of metal ion species in the environment. Metal ions can exist in various oxidation states, each of which possesses different physical and chemical properties as well as exhibit varying toxicities. Often, toxicity data is unreliable because it is based on metal io
The aim of this volume is to describe the most recent advances in areas of analytical chemistry that relate to the trace determination of metals and inorganics, as well as their distribution and forms (species) present, sample dependent. Analytical approaches are described that encompass a number of separation methods, such as gas and high performance liquid chromatography, interfaced with selective and sensitive detection methods that become unique for metal species/forms present in various samples. Hyphenated techniques are emphasized, such as interfacing HPLC with plasma induced emission spectroscopy, electrochemistry, post-column reaction chemistry, etc. Each chapter describes the latest instrumental and methodology advances that utilize some form of chromatography together with element-specific detection or mass spectrometry to provide absolute identification of the specific species of a metal present in various samples. The book will be of value to those concerned with the determination of trace levels of individual metal species present or suspected present in any given sample and to those involved in trace metal toxicology, metabolism of metal-containing drugs or chemicals, environmental exposures to metals and chemical speciation of real world samples. Government regulatory laboratories striving to detect and determine absolute levels of a metal species in any regulated sample will be interested in this volume, as will academic institutes involved in environmental toxicology, environmental chemistry, metal-DNA/protein interactions and researchers working with metal species.
Instrumental Methods for Determining Elements reviews and compares the most commonly used instrumental methods of elemental analysis, including atomic absorption and emission spectrometry, electrochemistry, potentiometry, chromatography, x-ray fluorescence, and combustion techniques. A brief introduction to the theory of these techniques is presented along with the factors that are important in selecting the proper technique for an application. Advantages and limitations of each instrumental method are detailed enabling the analyst to compare different techniques before choosing the most reliable and cost effective technique for their needs. Because of the wide variety of choices in the available instrumentation to perform various types of analyses, Instrumental Methods for Determining Elements is an essential resource for analytical chemists and chemical engineers who need to decide which method to use or which instrumentation to purchase.
By and for engineers and scientists, this comprehensive book covers all aspects of metals chemistry, separation chemistry, and metals separation processes. State-of-the-art papers give news and recent developments and future research needs, of special value and interest to persons from industry, academia, government agencies, commercial and research institutes, information centers and libraries. This valuable work is the complete proceedings of the Metals Speciation, Separation and Recovery International Symposium sponsored by the Industrial Waste Elimination Research Center at the Illinois Institute of Technology, Chicago, Illinois, and the Water Research Institute of the Italian National Research Council, Rome, Italy, held in Rome, May 14-19, 1989. The book will be about 800 pages replete with drawings, tables, and charts helpful to understanding and use of the information presented. Written by some 50 specialists from leading institutions and companies from Europe, Asia, North and Latin America, choice information and data in this valuable new volume are organized into seven major parts: One: Chemistry of Toxic Metals; Two: Precipitation Phenomena; Three: Metal Speciations and Complexation in Natural Systems; Four: Sorption Onto Surfaces; Five: Ion Separation; Six: Soils Contamination and Decontamination; Seven: Waste Reduction and Recovery Case Studies. Index.
Author : Elsie M. Donaldson Publisher : Ottawa, Canada : Energy, Mines, and Resources Canada, Canada Centre for Mineral and Energy Technology Page : 146 pages File Size : 28,57 MB Release : 1982 Category : Alloys ISBN :
This work details minor, trace and ultratrace methods; addresses the essential stages that precede measurement; and highlights the measurement systems most likey to be used by the pragmatic analyst. It features key material on inclusion and phase isolation. The book is designed to provide useful maps and signposts for metals analysts who must verify that stringent trace level compositional specifications have been met.
Latest developments, new insights and knowledge derived from speciation analysis in one unique compilation: The reader gets acquainted with relevant instrumental as well as application aspects of metallomics approaches, paving the road to understanding fate, pathway, and action of metals in environment and organisms. Upon an introductory chapter on analytical methods and strategies, the full bandwidth of applications is discussed. Expert chapter authors cast spotlights on recent topics such as metallomics applications to environmental and nutrition studies as well as biology and medicine. Special chapters deal with the impact of manganese and iron on neurodegeneration, and the impact of nanoparticles on health.
Recent years have seen advances in instrumentation and chemical analytical methods. Environmental scientists and analytical chemists working in this field must now be familiar with a wide range of techniques and applications. This text aims to introduce the major instrumental methods being used.