Chloroacetamide Herbicides and Their Transformation Products in Drinking Water PDF Download
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Author: American Water Works Association Researc
Publisher: International Water Assn
ISBN: 9781843399629
Category : Science
Languages : en
Pages : 132
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Book Description
Chloroacetamide herbicides have been frequently detected in drinking water near areas where these herbicides are applied. These herbicides are known to produce a wide array of degradates in laboratory systems but few of the neutral degradates have ever been sought in natural waters or drinking water. Removal of the parent herbicides during drinking water treatment has been successful with ozonation and activated carbon, however, ozonation can create more degradates as these compounds do not readily undergo mineralization. Bench-scale simulated treatment processes were conducted to further determine which unit processes were effective at removing the parent herbicides and degradates.
Author: American Water Works Association Researc
Publisher: International Water Assn
ISBN: 9781843399629
Category : Science
Languages : en
Pages : 132
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Book Description
Chloroacetamide herbicides have been frequently detected in drinking water near areas where these herbicides are applied. These herbicides are known to produce a wide array of degradates in laboratory systems but few of the neutral degradates have ever been sought in natural waters or drinking water. Removal of the parent herbicides during drinking water treatment has been successful with ozonation and activated carbon, however, ozonation can create more degradates as these compounds do not readily undergo mineralization. Bench-scale simulated treatment processes were conducted to further determine which unit processes were effective at removing the parent herbicides and degradates.
Author: Michelle L. Hladik
Publisher: American Water Works Association
ISBN:
Category : Science
Languages : en
Pages : 146
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Book Description
While the parent herbicides have been well documented in natural waters, relatively little is known about the occurrence of herbicide degadates in water. Those chloroacetamide degradates (the ionic ethane sulfonic acids and oxanilic acids) that have been previously studied in natural waters are found more frequently and at higher concentrations than the parent herbicide. The chloroacetamide herbicides are also known to degrade to many other neutral degradates that have not been studied extensively in natural waters.
Author: Alistair Boxall
Publisher: Springer
ISBN: 3540882731
Category : Science
Languages : en
Pages : 257
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Book Description
When a synthetic chemical is released into the environment it may be degraded by abiotic and biotic processes. These degradation processes usually involve a cascade of reactions resulting in the formation of a number of transformation products. While we usually know a great deal about the environmental properties, fate and effects of parent synthetic chemicals, our understanding of the impacts of transformation products is much less developed. As such, this volume brings together chapters from leading researchers in the field of transformation products in the environment and describes how these products are formed, how they move through the environment, and their environmental effects. The book also presents modelling and analytical approaches for understanding the occurrence, fate and effects of transformation products in the environment. It is of interest to scientists in academia, the chemicals industry and regulators, as well as graduate students in Environmental Chemistry and Ecotoxicology.
Author: Despina Tsipi
Publisher: John Wiley & Sons
ISBN: 1119070007
Category : Science
Languages : en
Pages : 288
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Book Description
Provides an overview of the use of mass spectrometry (MS) for the analysis of pesticide residues and their metabolites. Presents state of the-art MS techniques for the identification of pesticides and their transformation products in food and environment Covers important advances in MS techniques including MS instrumentation and chromatographic separations (e.g. UPLC, HILIC, comprehensive GCxGC) and applications Illustrates the main sample preparation techniques (SPE, QuEChERS, microextraction) used in combination with MS for the analysis of pesticides Describes various established and new ionization techniques as well as the main MS platforms, software tools and mass spectral libraries
Author: Dimitra A. Lambropoulou
Publisher: John Wiley & Sons
ISBN: 1118339576
Category : Science
Languages : en
Pages : 920
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Book Description
Over the last 15 years, the focus of chemical pollution has shifted from conventional pollutants to so-called “emerging” or “new” unregulated contaminants. These include pharmaceuticals and personal care products, hormones, UV filters, perfluorinated compounds, poylybrominated flame retardants (BFRs), pesticides, plasticizers, artificial sweeteners, illicit drugs, and endocrine disruptor compounds (EDCs). Despite the increasing number of published studies covering emerging contaminants, we know almost nothing about the effects of their transformation products and/or metabolites. This two-volume set provides a unique collection of research on transformation products, their occurrence, fate and risks in the environment. It contains 32 chapters, organised into 7 parts, each with a distinct focus: • General Considerations • Transformation Processes and Treatment Strategies • Analytical Strategies • Occurrence, Fate and Effects in the Environment • Global Speciality and Environmental Status • Risk Assessment, Management and Regulatory Framework • Outlook Transformation Products of Emerging Contaminants in the Environment is a valuable resource for researchers and industry professionals in environmental chemistry, analytical chemistry, ecotoxicology, environmental sciences, and hydrology, as well as environmental consultants and regulatory bodies.
Author: Imma Ferrer
Publisher: American Chemical Society
ISBN:
Category : Language Arts & Disciplines
Languages : en
Pages : 440
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Book Description
This volume explores state-of-the-art mass spectrometric techniques. It focuses on liquid chromatography/mass spectrometry/mass spectrometry and time-of-flight/mass spectrometry to determine emerging contaminants, such as pharmaceuticals, hormones, pesticides, surfactants and unknown natural products.
Author: Leo M.L. Nollet
Publisher: CRC Press
ISBN: 1439889643
Category : Science
Languages : en
Pages : 999
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Book Description
Extensively revised and updated, Handbook of Water Analysis, Third Edition provides current analytical techniques for detecting various compounds in water samples. Maintaining the detailed and accessible style of the previous editions, this third edition demonstrates water sampling and preservation methods by enumerating different ways to measure chemical and radiological characteristics. It gives step-by-step descriptions of separation, residue determination, and clean-up techniques. See What’s New in the Second Edition: Includes five new chapters covering ammonia, nitrates, nitrites, and petroleum hydrocarbons, as well as organoleptical and algal analysis methodology Compares older methods still frequently used with recently developed protocols, and examines future trends Features a new section regarding organoleptical analysis of water acknowledging that ultimately the consumers of drinking water have the final vote over its quality with respect to odor, flavor, and color The book covers the physical, chemical, and other relevant properties of various substances found in water. It then describes the sampling, cleanup, extraction, and derivatization procedures, and concludes with detection methods. Illustrated with procedure flow charts and schematics, the text includes numerous tables categorizing methods according to type of component, origin of the water sample, parameters and procedures used, and application range. With contributions from international experts, the book guides you through the entire scientific investigation starting with a sampling strategy designed to capture the real-world situation as closely as possible, and ending with an adequate chemometrical and statistical treatment of the acquired data. By organizing data into more than 300 tables, graphs, and charts, and supplementing the text with equations and illustrations, the editors distill a wealth of knowledge into a single accessible reference.
Author: IARC Working Group on the Evaluation of Carcinogenic Risks to Humans
Publisher: World Health Organization
ISBN:
Category : Medical
Languages : en
Pages : 696
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Book Description
Allyl isothiocyanate; ortho-Anisidine; Atrazine; Butyl benzyl phthalate; Chloroform; Chlorothalonil;Cyclamates;Dichlorobenzenes;Hexachlorobutadiene; Hexachloroethane; d-Limonene; Melamine; Methyl tert-butyl ether; Nitrilotriaceticacid andits salts;Paracetamol; ortho-Phenylphenol and its sodium salt; Potassium bromate ;Quercetin; Saccharin and its salts;Simazine
Author: Robert L Zimdahl
Publisher: Elsevier
ISBN: 0080549853
Category : Science
Languages : en
Pages : 689
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Book Description
This book addresses herbicides and their use as an important aspect of modern weed management, and strives to place them in an ecological framework. Many weed scientists believe agriculture is a continuing struggle with weeds - without good weed control, good and profitable agriculture is impossible. Each agricultural discipline sees itself as central to agriculture's success and continued progress, and weed science is no exception. While not denying the importance of weed management to successful agriculture, this book places it in a larger ecological context. The roles of culture, economics, and politics in weed management are also discussed, enabling scientists and students to understand the larger effects on society.NEW TO THIS EDITION: - Information on New herbicides included, along with the old herbicides that are important for understanding the history - New section on weed resistance to herbicides and genetic engineering - New information on invasive plants - Expanded chapters on Biological Control, Pesticide Legislation and Regulation, Weed Management Systems, and more
Author: Jack E. Barbash
Publisher: CRC Press
ISBN: 9781575040059
Category : Technology & Engineering
Languages : en
Pages : 616
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Book Description
Pesticides in Ground Water is an amazing compilation of actual results from laboratory studies, field experiments, and well-sampling surveys ranging in scope from individual towns to the entire nation. The authors summarizes what is currently known about the physical, chemical, and biological processes that govern the sources, transport, spatial and temporal distributions, and fate of pesticides and their transformation products in ground water. Their conclusion is meticulously documented and illustrated with maps, tables, graphs and charts. In today's world, our dependence on pesticides causes a willful ignorance to their implications. Pesticides in Ground Water is a compelling wake-up call, supported with dedication and concern.
