Chemical Speciation In The Environment
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Chemical Speciation in the Environment
Author | : A. M. Ure,C. M. Davidson |
Publsiher | : John Wiley & Sons |
Total Pages | : 472 |
Release | : 2008-04-15 |
Genre | : Science |
ISBN | : 9781405147309 |
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Considerable recent research has focused on the topic of chemical speciation in the environment. It is increasingly realised that the distribution, mobility and biological availability of chemical elements depend not simply on their concentrations but, critically, on the forms in which they occur in natural systems. Continuing developments in analytical chemistry have made speciation practicable even where analytes are present at trace levels (as is often the case in natural samples). In the second edition of this book, the expertise of scientists involved in chemical speciation in various fields have been brought together to provide an overview of the current status of speciation science and indicate how the field may develop in the future.
The Importance of Chemical Speciation in Environmental Processes
Author | : M. Bernhard,F.E. Brinckman,P.J. Sadler |
Publsiher | : Springer Science & Business Media |
Total Pages | : 758 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9783642704413 |
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Report, the editors replaced the term "speciation" wherever it occurred by "identification and quantification," or "description of abundance," or "reactivity," or "transformation" of a chemical species, according to whichever one of the four meanings the author had evidently meant to convey. In line with the Dahlem Workshop Model, this Report comprises the background papers written in advance of the meeting on the current status of problems in environmental research and on advanced analytical tech niques for the identification and quantification of chemical species, as well as the group reports summarizing the results of the discussions held during the meeting. Each group report was prepared during the meeting by one "rapporteur" with the help of members of that group and finalized by the rapporteur (listed as the first author of the group report) after the meeting, taking into account both verbal comments made during the presentation of the reports in the plenary session at the end of the workshop and written comments received afterwards.
Chemical Speciation of Organic and Inorganic components of Environmental and Biological Interest in Natural Fluids
Author | : Francesco Crea,Alberto Pettignano |
Publsiher | : MDPI |
Total Pages | : 218 |
Release | : 2020-03-25 |
Genre | : Medical |
ISBN | : 9783039284528 |
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The International Union of Pure and Applied Chemistry (IUPAC) defines the term “speciation” as the distribution of an element amongst defined chemical species in a system, while the process leading to quantitative estimation of the content of different species is called speciation analysis. The chemical speciation of elements in natural waters and biological fluids is a key topic, essential for discussing the chemical reactivity of constituents in these systems. It is well understood that it is the chemical form of a metal or metalloids that determines its reactivity, lifetime, and fate in the environment. Chemical speciation now involves various sectors of the sciences, from chemistry to biology, biochemistry, and environmental sciences, since—as is well known—the total concentration, alone, of an inorganic or organic component (metal or ligand) in a multicomponent natural system (fresh water, sea water, biological fluids, soil, etc.) is insufficient for a comprehensive understand of its behavior in those contests.
Lead Its Effects on Environment and Health
Author | : Astrid Sigel,Helmut Sigel,Roland K.O. Sigel |
Publsiher | : Walter de Gruyter GmbH & Co KG |
Total Pages | : 633 |
Release | : 2017-04-10 |
Genre | : Science |
ISBN | : 9783110433012 |
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Volume 17, entitled Lead: Its Effects on Environment and Health of the series Metal Ions in Life Sciences centers on the interrelations between biosystems and lead. The book provides an up-to-date review of the bioinorganic chemistry of this metal and its ions; it covers the biogeochemistry of lead, its use (not only as gasoline additive) and anthropogenic release into the environment, its cycling and speciation in the atmosphere, in waters, soils, and sediments, and also in mammalian organs. The analytical tools to determine and to quantify this toxic element in blood, saliva, urine, hair, etc. are described. The properties of lead(II) complexes formed with amino acids, peptides, proteins (including metallothioneins), nucleobases, nucleotides, nucleic acids, and other ligands of biological relevance are summarized for the solid state and for aqueous solutions as well. All this is important for obtaining a coherent picture on the properties of lead, its effects on plants and toxic actions on mammalian organs. This and more is treated in an authoritative and timely manner in the 16 stimulating chapters of Volume 17, which are written by 36 internationally recognized experts from 13 nations. The impact of this recently again vibrant research area is manifested in nearly 2000 references, over 50 tables and more than 100 illustrations (half in color). Lead: Its Effects on Environment and Health is an essential resource for scientists working in the wide range from material sciences, inorganic biochemistry all the way through to medicine including the clinic ... not forgetting that it also provides excellent information for teaching.
Chemical Speciation of Organic and Inorganic components of Environmental and Biological Interest in Natural Fluids Behaviour Interaction and Sequestration
Author | : Alberto Pettignano,Francesco Crea |
Publsiher | : Unknown |
Total Pages | : 218 |
Release | : 2020 |
Genre | : Social sciences (General) |
ISBN | : 3039284533 |
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The International Union of Pure and Applied Chemistry (IUPAC) defines the term “speciation” as the distribution of an element amongst defined chemical species in a system, while the process leading to quantitative estimation of the content of different species is called speciation analysis. The chemical speciation of elements in natural waters and biological fluids is a key topic, essential for discussing the chemical reactivity of constituents in these systems. It is well understood that it is the chemical form of a metal or metalloids that determines its reactivity, lifetime, and fate in the environment. Chemical speciation now involves various sectors of the sciences, from chemistry to biology, biochemistry, and environmental sciences, since--as is well known--the total concentration, alone, of an inorganic or organic component (metal or ligand) in a multicomponent natural system (fresh water, sea water, biological fluids, soil, etc.) is insufficient for a comprehensive understand of its behavior in those contests.
Trace Element Speciation for Environment Food and Health
Author | : L. Ebdon |
Publsiher | : Royal Society of Chemistry |
Total Pages | : 430 |
Release | : 2001 |
Genre | : Science |
ISBN | : 0854044590 |
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The ongoing progress of science has shown that it is important for analytical scientists to determine not only the presence of particular elements, but also their species. There are many fields where this is applicable, and where there are a number of topics to be addressed. Developing separation and measurement systems for the many element species has tested the resourcefulness of analytical chemists over recent decades. A product of the EU sponsored Speciation 21 Network, this book presents a detailed review of the state-of-the-art of speciation issues in the occupational health, food and environment sectors, along with the main conclusions arising from discussions held during expert meetings. Topics covered include mercury and organotin compounds in the environment; factors affecting the health of workers; the importance of speciation of trace elements for health, and subsequent metabolism in the body; analytical methodologies; risk assessment; and legislation. Trace Element Speciation for Environment, Food and Health provides an insight into applied research in the speciation field and how it has become so important in all the fields represented. With its comprehensive coverage, it will be of particular interest to researchers in industry and academia, as well as government agencies and legislative bodies.
The Importance of Chemical Speciation in Environmental Processes
Author | : M. Bernhard,F.E. Brinckman,P.J. Sadler |
Publsiher | : Springer |
Total Pages | : 766 |
Release | : 1986-12-01 |
Genre | : Science |
ISBN | : 3540153624 |
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Report, the editors replaced the term "speciation" wherever it occurred by "identification and quantification," or "description of abundance," or "reactivity," or "transformation" of a chemical species, according to whichever one of the four meanings the author had evidently meant to convey. In line with the Dahlem Workshop Model, this Report comprises the background papers written in advance of the meeting on the current status of problems in environmental research and on advanced analytical tech niques for the identification and quantification of chemical species, as well as the group reports summarizing the results of the discussions held during the meeting. Each group report was prepared during the meeting by one "rapporteur" with the help of members of that group and finalized by the rapporteur (listed as the first author of the group report) after the meeting, taking into account both verbal comments made during the presentation of the reports in the plenary session at the end of the workshop and written comments received afterwards.
Metal Speciation in the Environment
Author | : J.A.C. Broekaert,S. Gücer,F. Adams |
Publsiher | : Springer Science & Business Media |
Total Pages | : 638 |
Release | : 2013-06-29 |
Genre | : Science |
ISBN | : 9783642742064 |
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Proceedings of the NATO Advanced Study Institute on Metal Speciation in the Environmental held in Cesme, Turkey, October 9-20, 1989