Download or read book Green Chromatographic Techniques written by Dr. Inamuddin and published by Springer Science & Business Media. This book was released on 2013-11-12 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a unified outlook on counter-current, ion size exclusion, supercritical fluids, high-performance thin layers, and gas and size exclusion chromatographic techniques used for the separation and purification of organic and inorganic analytes. It also describes a number of green techniques, green sample preparation methods and optimization of solvent consumption in the chromatographic analysis of organic and inorganic analytes. This book offers a valuable resource not only for learners, but also for more experienced chromatographers, conveying a deeper understanding of green chromatographic techniques, green solvents and preparation methods.

Download or read book Green Analytical Chemistry written by Justyna Płotka-Wasylka and published by Springer. This book was released on 2019-08-02 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book explains the principles and fundamentals of Green Analytical Chemistry (GAC) and highlights the current developments and future potential of the analytical green chemistry-oriented applications of various solutions. The book consists of sixteen chapters, including the history and milestones of GAC; issues related to teaching of green analytical chemistry and greening the university laboratories; evaluation of impact of analytical activities on the environmental and human health, direct techniques of detection, identification and determination of trace constituents; new achievements in the field of extraction of trace analytes from samples characterized by complex composition of the matrix; “green” nature of the derivatization process in analytical chemistry; passive techniques of sampling of analytes; green sorption materials used in analytical procedures; new types of solvents in the field of analytical chemistry. In addition green chromatography and related techniques, fast tests for assessment of the wide spectrum of pollutants in the different types of the medium, remote monitoring of environmental pollutants, qualitative and comparative evaluation, quantitative assessment, and future trends and perspectives are discussed. This book appeals to a wide readership of the academic and industrial researchers. In addition, it can be used in the classroom for undergraduate and graduate Ph.D. students focusing on elaboration of new analytical procedures for organic and inorganic compounds determination in different kinds of samples characterized by complex matrices composition.Jacek Namieśnik was a Professor at the Department of Analytical Chemistry, Gdańsk University of Technology, Poland. Justyna Płotka-Wasylka is a teacher and researcher at the same department.

Download or read book Green Analytical Chemistry written by Miguel de la Guardia and published by Elsevier. This book was released on 2010-10-27 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides basic coverage of the fundamentals and principles of green chemistry as it applies to chemical analysis. The main goal of Green Analytical Chemistry is to avoid or reduce the undesirable environmental side effects of chemical analysis, while preserving the classic analytical parameters of accuracy, sensitivity, selectivity, and precision. The authors review the main strategies for greening analytical methods, concentrating on minimizing sample preparation and handling, reducing solvent and reagent consumption, reducing energy consumption, minimizing of waste, operator safety and the economic savings that this approach offers. Suggestions are made to educators and editors to standardize terminology in order to facilitate the identification of analytical studies on green alternatives in the literature because there is not a wide and generalized use of a common term that can group efforts to prevent waste, avoid the use of potentially toxic reagents or solvents and those involving the decontamination of wastes. provides environmentally-friendly alternatives to established analytical practice focuses on the cost-saving opportunities offered emphasis on laboratory personnel safety

Download or read book Handbook of Green Analytical Chemistry written by Miguel de la Guardia and published by John Wiley & Sons. This book was released on 2012-04-23 with total page 569 pages. Available in PDF, EPUB and Kindle. Book excerpt: The emerging field of green analytical chemistry is concerned with the development of analytical procedures that minimize consumption of hazardous reagents and solvents, and maximize safety for operators and the environment. In recent years there have been significant developments in methodological and technological tools to prevent and reduce the deleterious effects of analytical activities; key strategies include recycling, replacement, reduction and detoxification of reagents and solvents. The Handbook of Green Analytical Chemistry provides a comprehensive overview of the present state and recent developments in green chemical analysis. A series of detailed chapters, written by international specialists in the field, discuss the fundamental principles of green analytical chemistry and present a catalogue of tools for developing environmentally friendly analytical techniques. Topics covered include: Concepts: Fundamental principles, education, laboratory experiments and publication in green analytical chemistry. The Analytical Process: Green sampling techniques and sample preparation, direct analysis of samples, green methods for capillary electrophoresis, chromatography, atomic spectroscopy, solid phase molecular spectroscopy, derivative molecular spectroscopy and electroanalytical methods. Strategies: Energy saving, automation, miniaturization and photocatalytic treatment of laboratory wastes. Fields of Application: Green bioanalytical chemistry, biodiagnostics, environmental analysis and industrial analysis. This advanced handbook is a practical resource for experienced analytical chemists who are interested in implementing green approaches in their work.

Download or read book Fuel Oxygenates written by Damià Barceló and published by Springer Science & Business Media. This book was released on 2007-08-03 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals mainly with the problems associated with the contamination of groundwater by MTBE and TBA, but ETBE is also considered. The book, written by recognized specialists in the field, is organized in sections covering state-of-the-art analytical methods, including specific isotopic analysis, occurrence in the environment, transport and degradation processes, treatment technologies and human health risks.

Download or read book The Application of Green Solvents in Separation Processes written by Francisco Pena-Pereira and published by Elsevier. This book was released on 2017-02-28 with total page 561 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Application of Green Solvents in Separation Processes features a logical progression of a wide range of topics and methods, beginning with an overview of green solvents, covering everything from water and organic solvents, to ionic liquids, switchable solvents, eutectic mixtures, supercritical fluids, gas-expanded solvents, and more. In addition, the book outlines green extraction techniques, such as green membrane extraction, ultrasound-assisted extraction, and surfactant-mediated extraction techniques. Green sampling and sample preparation techniques are then explored, followed by green analytical separations, including green gas and liquid capillary chromatography, counter current chromatography, supercritical fluid chromatography, capillary electrophoresis, and other electrical separations. Applications of green chemistry techniques that are relevant for a broad range of scientific and technological areas are covered, including the benefits and challenges associated with their application. Provides insights into recent advances in greener extraction and separation processes Gives an understanding of alternatives to harmful solvents commonly used in extraction and separation processes, as well as advanced techniques for such processes Written by a multidisciplinary group of internationally recognized scientists

Download or read book Principles and Practice of Modern Chromatographic Methods written by Kevin Robards and published by Academic Press. This book was released on 2021-12-03 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Principles and Practice of Modern Chromatographic Methods, Second Edition takes a comprehensive, unified approach in its presentation of chromatographic techniques. Like the first edition, the book provides a scientifically rigid, but easy-to-follow presentation of chromatography concepts that begins with the purpose and intent of chromatographic theory - the “what and why that are left out of other books attempting to cover these principles. This fully revised second edition brings the content up-to-date, covering recent developments in several new sections and an additional chapter on composite methods. New topics include sample profiling, sample preparation, sustainable green chemistry, 2D chromatography, miniaturization/nano-LC, HILIC, and more. Contains thorough chapters that begin with an updated schematic overview and a visual representation of the content Avoids the obfuscation of different terminologies and classification systems that are prevalent in the area, such as the relationship between liquid chromatography and column chromatography Provides integrated and comprehensive topic coverage based on chromatographic bibliometrics and survey reports on the relative usage of chromatographic techniques

Download or read book Advances in the Use of Liquid Chromatography Mass Spectrometry LC MS Instrumentation Developments and Applications written by and published by Elsevier. This book was released on 2018-01-02 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in the Use of Liquid Chromatography Mass Spectrometry (LC-MS): Instrumentation Developments and Application, Volume 79, highlights the most recent LC-MS evolutions through a series of contributions by world renowned scientists that will lead the readers through the most recent innovations in the field and their possible applications. Many authoritative books on LC-MS are already present in market, describing in detail the different interfaces and their principles of operation. This book focuses more on new trends, starting with the innovations of each technique, to the most progressive challenges of LC-MS. Presents an understanding of the new advancements in LC and MS which are essential for a step forward in LC-MS applications Provides insight into the state-of-the-art in the currently available LC-MS interfaces and their principle of use Expounds on the new frontiers in LC-MS and their application potential

Download or read book Green Analytical Chemistry written by Mihkel Koel and published by Royal Society of Chemistry. This book was released on 2010 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to green chemistry Concepts and trends in green analytical chemistry "Greening" sample preparation Green instrumental analysis "Greening" signal acquisition and processing Conclusions This book describes the applications, ideas and concepts of green chemistry in chemical analysis and evaluates the performance of current methodologies.

Download or read book Evaluation of Chromatographic Systems Using Green Chemistry Metrics and Development of Molecular Imprinted Sorbents written by Brian N. Fitch and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation explores applying green chemistry principles to analytical separation and sampling techniques. Green chemistry principles focus on methods to reduce the emissions and waste produced from reactions and chemical related techniques. The principles also encourage the replacement of hazardous or toxic compounds with benign chemicals and solvents whenever possible. In analytical chemistry, this typically means reducing the usage of organic solvent or using separation techniques that do not use hazardous solvents. Green chemistry metrics will be used to determine the greenness of reversed phase high performance liquid chromatography (HPLC) and supercritical fluid chromatography (SFC) for the separation of pharmaceutical compounds. Common solvents such as acetonitrile and alcohols such as methanol, ethanol, and isopropanol are explored in both chromatographic systems. Life cycle analysis (LCA) and the Analytical Method Greenness Score (AMGS) calculator are utilized as metrics to grade the separations and determine which portions of the separations produced the most emissions. In particular, the relationship between instrument energy consumption, organic solvent usage, and separation time is explored. These are also explored for both the preparative scale and analytical scale. The influence of chromatographic conditions for SFC, such as flow rate and higher back pressure, are shown to improve the greenness for this technique. The potential of SFC to be a greener alternative method than acetonitrile-containing HPLC conditions is shown for a variety of pharmaceutical separations. In addition to chromatographic parameters, electricity sources were explored to show how the relationship between the greenness for HPLC and SFC changes with the greenness of the energy source mix. The high impact of instrument energy for analytical systems shows the importance of reducing instrument run time and not focusing on mobile phase solvents alone. This is particularly true for SFC due to the additional instrumentation required to pressurize carbon dioxide. As energy mixes are likely to become greener over time and less reliant on energy sources, such as coal, the future changes in greenness is explored by using several regional energy mixes. A green renewable energy source is also utilized as a suitable ideal energy source for comparison of HPLC and SFC. The use of a very green energy source significantly reduces the impact from instrument energy consumption and improves the relationship between SFC and HPLC. Finally, electrospun nanofiber solid phase microextraction (SPME) sorbents are molecularly imprinted with two polysulfide malodor compounds. These sulfur compounds are detectable at very low concentrations by humans and are possible side products from the fermentation process of beer. Epoxy and carbon nanofibers are utilized to extract both polysulfide compounds from the headspace of standard solutions. The molecularly imprinted sorbents possess enhanced selectivity for the template compound with the lowest improvement being 18%. The selectivity of the imprint was also shown by using a compound similar to the template, such as dimethyl trisulfide, to compete with the template compound, dimethyl disulfide. The robustness of the imprint is shown as there was little decrease in extraction efficiency after 50 injections.

Download or read book Green Solvents I written by Ali Mohammad and published by Springer Science & Business Media. This book was released on 2012-03-13 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: The conventional solvents used in chemical, pharmaceutical, biomedical and separation processes represent a great challenge to green chemistry because of their toxicity and flammability. Since the beginning of “the 12 Principles of Green Chemistry” in 1998, a general effort has been made to replace conventional solvents with environmentally benign substitutes. Water has been the most popular choice so far, followed by ionic liquids, surfactant, supercritical fluids, fluorous solvents, liquid polymers, bio-solvents and switchable solvent systems. Green Solvents Volume I and II provides a throughout overview of the different types of solvents and discusses their extensive applications in fields such as extraction, organic synthesis, biocatalytic processes, production of fine chemicals, removal of hydrogen sulphide, biochemical transformations, composite material, energy storage devices and polymers. These volumes are written by leading international experts and cover all possible aspects of green solvents’ properties and applications available in today’s literature. Green Solvents Volume I and II is an invaluable guide to scientists, R&D industrial specialists, researchers, upper-level undergraduates and graduate students, Ph.D. scholars, college and university professors working in the field of chemistry and biochemistry.

Download or read book Green Extraction in Separation Technology written by Ali Haghighi Asl and published by CRC Press. This book was released on 2021-05-31 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: Subcritical water is a green extraction solvent compared to conventional extraction solvents. While experimental results on subcritical water extraction (SWE) technology have been published piecemeal, there has been no comprehensive review of the state of the art. Green Extraction in Separation Technology fills that gap, serving to cover extracting with subcritical water as an environmentally friendly solvent. FEATURES Presents new technologies for extracting natural compounds from plants and compares the advantages and disadvantages versus SWE Explains research on SWE over the last 15 years Offers an overview of the solubility of different compounds in SWE and related theoretical content Discusses modeling of SWE and describes the development of a new model for this process This monograph is aimed at researchers and advanced students in chemical and biochemical engineering.

Download or read book Green Techniques for Organic Synthesis and Medicinal Chemistry written by Wei Zhang and published by John Wiley & Sons. This book was released on 2012-07-23 with total page 769 pages. Available in PDF, EPUB and Kindle. Book excerpt: Green chemistry is a new way of looking at organic synthesis and the design of drug molecules, offering important environmental and economic advantages over traditional synthetic processes. Pharmaceutical companies are increasingly turning to the principles of green chemistry in an effort to reduce waste, reduce costs and develop environmentally benign processes. Green Techniques for Organic Synthesis and Medicinal Chemistry presents an overview of the established and emerging techniques in green organic chemistry, highlighting their applications in medicinal chemistry. The book is divided into four parts: Introduction: Introduces the reader to the toxicology of organic chemicals,their environmental impact, and the concept of green chemistry. Green Catalysis: Covers a variety of green catalytic techniques including organocatalysis, supported catalysis, biocatalysis, fluorous catalysis, and catalytic direct C-H bond activation reactions. Green Synthetic Techniques: Presents a series of new techniques, assessing the green chemistry aspects and limitations (i.e. cost, equipment, expertise). Techniques include reactions in alternative solvents, atom economic multicomponent reactions, microwave and ultrasonic reactions, solid-supported synthesis, fluorous and ionic liquid-based recycling techniques, and flow reactors. Green Techniques in Pharmaceutical Industry: Covers applications of green chemistry concepts and special techniques for medicinal chemistry, including synthesis, analysis, separation, formulation, , and drug delivery. Process and business case studies are included to illustrate the applications in the pharmaceutical industry. Green Techniques for Organic Synthesis and Medicinal Chemistry is an essential resource on green chemistry technologies for academic researchers, R&D professionals and students working in organic chemistry and medicinal chemistry.

Download or read book Green Chemical Analysis and Sample Preparations written by Mahmoud H. El-Maghrabey and published by Springer Nature. This book was released on 2022-06-20 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume focuses on the most recent trends for greening analytical activities beginning with an introduction to green analytical chemistry followed by a discussion of green analytical chemistry metrics and life-cycle assessment approach to analytical method development. The chapters discuss two main topics; first is the most recent techniques for greening sample pretreatment steps, and second is modern trends for tailoring analytical techniques and instrumentation to implement the green analytical chemistry concept. The role of different kinds of green solvents, such as ionic liquids, supercritical fluids, deep eutectic solvents, bio-based solvents, and surfactants, as well as nanomaterials and green sorption materials in greening sample extraction steps is also a focus of this book. Furthermore, different approaches for greening chromatography as a key analytical technique are discussed. The applications of nanomaterials in analytical procedures are deeply reviewed, and miniaturization of spectrometers is also discussed as a recently evolved approach for efficient green on-site analysis. This book will appeal to a wide readership of academic and industrial researchers in different fields. It can be used in the classroom for undergraduate and postgraduate students focusing on the development of new analytical procedures for organic and inorganic compounds determination in different kinds of samples characterized by complex matrices composition. The book will also be useful for researchers that are interested in both chemical analysis and environment protection.

Download or read book Development of Alternative Green Sample Preparation Techniques written by Emanuela Gionfriddo and published by MDPI. This book was released on 2020-11-23 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Special Issue of Separations, “Development of Alternative Green Sample Preparation Techniques”, provides an overview on recent trends in green sample preparation. This Special Issue of Separations collates 11 impressive contributions that describe the state-of-the-art in the development of green extraction technologies, from green materials for microextraction to the development of new sampling devices geometries for enhanced extraction efficiency and analysis throughput.

Download or read book Challenges in Green Analytical Chemistry written by Salvador Garrigues and published by Royal Society of Chemistry. This book was released on 2020-05-13 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a key area of chemistry, improving the greenness of analytical techniques is of great interest to researchers. The last decade has seen some significant developments in this area, including the use of new smart materials as analytical tools. Covering topics including solvent selection, miniaturization and metrics for the evaluation of "greenness" this book will be of use to researchers, both in academia and in industry, interested in integrating safer and more sustainable analytical techniques into their work.

Download or read book Software assisted Method Development in High Performance Liquid Chromatography written by Szabolcs Fekete and published by Wspc (Europe). This book was released on 2018-07 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook gives a general overview of the possibilities in recent developments in chromatographic retention modeling. As a result of the latest developments in modeling software, several new features are now accessible, opening a new level in HPLC method development. Many of these current possibilities in software assisted liquid chromatographic method modeling for analytical purposes are presented. Several modes of chromatography, including Reversed-Phase Liquid Chromatography (RPLC), Ion Exchange Chromatography (IEX), Hydrophobic Interaction Chromatography (HIC), and Hydrophilic Interaction Liquid Chromatography (HILIC) are explained in detail. For all these chromatographic modes, the most important variables for tuning retention and selectivity are exposed. Beside the industrial and practical benefits of retention modeling, the possibilities in teaching and education are also illustrated. Finally, numerous representative industrial examples are shown, to highlight the benefits, time and cost savings offered by state-of-the-art software assisted HPLC method development.