Sorption Of Nonionic Low Polarity Organic Chemicals To Mineral Surfaces
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Sorption Of Nonionic Low Polarity Organic Chemicals To Mineral Surfaces
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Author : Brian Thomas Mader
language : en
Publisher:
Release Date : 1996
Sorption Of Nonionic Low Polarity Organic Chemicals To Mineral Surfaces written by Brian Thomas Mader and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Chromatographic analysis categories.
Environmental Organic Chemistry
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Author : René P. Schwarzenbach
language : en
Publisher: John Wiley & Sons
Release Date : 2005-06-24
Environmental Organic Chemistry written by René P. Schwarzenbach and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-06-24 with Science categories.
Environmental Organic Chemistry focuses on environmental factors that govern the processes that determine the fate of organic chemicals in natural and engineered systems. The information discovered is then applied to quantitatively assessing the environmental behaviour of organic chemicals. Now in its 2nd edition this book takes a more holistic view on physical-chemical properties of organic compounds. It includes new topics that address aspects of gas/solid partitioning, bioaccumulation, and transformations in the atmosphere. Structures chapters into basic and sophisticated sections Contains illustrative examples, problems and case studies Examines the fundamental aspects of organic, physical and inorganic chemistry - applied to environmentally relevant problems Addresses problems and case studies in one volume
Environmental Organic Chemistry
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Author : Rene P. Schwarzenbach
language : en
Publisher: John Wiley & Sons
Release Date : 2016-11-07
Environmental Organic Chemistry written by Rene P. Schwarzenbach and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-07 with Science categories.
Examines in a pedagogical way all pertinent molecular and macroscopic processes that govern the distribution and fate of organic chemicals in the environment and provides simple modeling tools to quantitatively describe these processes and their interplay in a given environmental system Treats fundamental aspects of chemistry, physics, and mathematical modeling as applied to environmentally relevant problems, and gives a state of the art account of the field Teaches the reader how to relate the structure of a given chemical to its physical chemical properties and intrinsic reactivities Provides a holistic and teachable treatment of phase partitioning and transformation processes, as well as a more focused and tailor-made presentation of physical, mathematical, and modeling aspects that apply to environmental situations of concern Includes a large number of questions and problems allowing teachers to explore the depth of understanding of their students or allowing individuals who use the book for self-study to check their progress Provides a companion website, which includes solutions for all problems as well as a large compilation of physical constants and compound properties
Influence Of The Polarity Of Non Ionic Pesticides On Theirs Sorption By A Latosol
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Author :
language : pt-BR
Publisher:
Release Date : 2002
Influence Of The Polarity Of Non Ionic Pesticides On Theirs Sorption By A Latosol written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
Investigou-se a influência da polaridade de pesticidas não-iônicos sobre solo da classe Latossolo Vermelho Acriférrico típico. Foram estudados treze pesticidas, abrangendo uma ampla faixa de polaridade, expressa na forma do coeficiente de partição do composto entre n-octanol e água (Kow). Foram construídas isotermas de sorção dos pesticidas por meio de agitação de subamostras do solo com soluções aquosas dos compostos. As determinações quantitativas dos pesticidas nas soluções aquosas foram feitas por cromatografia líquida de alta eficiência, usando-se detector de luz ultravioleta. Verificou-se que as isotermas de sorção de todos os pesticidas se ajustaram bem ao modelo de Freundlich, sendo que os valores de Kf dos diferentes compostos variaram de 0,2 a 202 mL.nmol-1. Os valores de log Kf dos pesticidas mostraram-se linearmente correlacionados (R2 = 0,87) com seus valores de log Kow, revelando que a partição hidrofóbica na matéria orgânica foi o principal mecanismo de sorção dos compostos no solo estudado; contudo, uma vez que os valores de log Kow dos compostos não refletiram com precisão os seus coeficientes de sorção no solo estudado, os resultados indicaram que outros fatores afetam a sorção de compostos não-iônicos em solos. Para a maioria dos pesticidas, os valores de Kf obtidos foram maiores do que aqueles previstos pela equação de Briggs (1981), a qual relaciona o valor de Kf do composto com seu valor de Kow e o teor de matéria orgânica do solo. Esses resultados mostraram que a referida equação, obtida em solos da Inglaterra, não é adequada para a previsão do valor de Kf de pesticidas no solo estudado no presente trabalho, e que a natureza da matéria orgânica pode ser um importante fator a influenciar a sorção de pesticidas não-iônicos em solos.
Equilibria And Kinetics Of Nonionic Organic Compound Sorption In Soil Organic Matter
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Author : Tyler Thomas Ames
language : en
Publisher:
Release Date : 1994
Equilibria And Kinetics Of Nonionic Organic Compound Sorption In Soil Organic Matter written by Tyler Thomas Ames and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Humus categories.
Sorption Of Nonionic Organic Compounds By Anthropogenic Organic Phases In Soil Water Systems
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Author : Shaobai Sun
language : en
Publisher:
Release Date : 1992
Sorption Of Nonionic Organic Compounds By Anthropogenic Organic Phases In Soil Water Systems written by Shaobai Sun and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Naphthalene categories.
Sorption Of Hazardous Organic Compounds By Modified Mineral Surfaces
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Author : Hongting Zhao
language : en
Publisher:
Release Date : 1998
Sorption Of Hazardous Organic Compounds By Modified Mineral Surfaces written by Hongting Zhao and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Clay minerals categories.
U S Geological Survey Professional Paper
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Author :
language : en
Publisher:
Release Date : 1984
U S Geological Survey Professional Paper written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with categories.
The Sorption Of Organic Pollutants In The Soil Environment
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Author : Ahmad Gholamalizadeh Ahangar
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2010-04
The Sorption Of Organic Pollutants In The Soil Environment written by Ahmad Gholamalizadeh Ahangar and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-04 with categories.
This book represents a significant advance in the fundamental understanding of the role of soil organic matter (SOM) in sorption because of the approach taken via four key factors that may have an influence on sorption - soil organic chemistry, mineralogy, lipid chemistry and solvent conditioning - were studied and quantified. Most previous works in this area have focused solely on the effect of SOM chemistry on the sorption of non-ionic compounds. Much less attention has been paid to the interactions between SOM and the mineral phase and lipid components, or to SOM physical conformation, and no single previous study has investigated all four aspects on a set of soils in close geographic proximity and with very similar soil forming factors, especially that of parent material. The role of SOM chemistry on sorption of non-ionic compounds has been over-emphasized .Other factors, identified above, can alter the sorption properties of SOM to a degree that the effect of SOM chemistry is masked.
Sorption And Desorption Of Volatile Chlorinated Aliphatic Compounds By Soils And Soil Components
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Author : Robert G. La Poe
language : en
Publisher:
Release Date : 1985
Sorption And Desorption Of Volatile Chlorinated Aliphatic Compounds By Soils And Soil Components written by Robert G. La Poe and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Aliphatic compounds categories.