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Hyphenated Techniques In Supercritical Fluid Chromatography And Extraction
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Book Synopsis Hyphenated Techniques in Supercritical Fluid Chromatography and Extraction by : K. Jinno
Download or read book Hyphenated Techniques in Supercritical Fluid Chromatography and Extraction written by K. Jinno and published by Elsevier. This book was released on 1992-07-21 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first book to focus on the latest developments in hyphenated techniques using supercritical fluids. The advantages of SFC in hyphenation with various detection modes, such as FTIR, MS, MPD and ICP and others are clearly featured throughout the book. Special attention is paid to coupling of SFE with GC or SFC.In this edited volume, chapters are written by leading experts in the field. The book will be of interest to professionals in academia, as well as to those researchers working in an industrial environment, such as analytical instrumentation, pharmaceuticals, agriculture, food, petrochemicals and environmental.
Book Synopsis Analytical Supercritical Fluid Extraction Techniques by : E.D. Ramsey
Download or read book Analytical Supercritical Fluid Extraction Techniques written by E.D. Ramsey and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the past decade supercritical fluid extration (SFE) has attracted considerable attention as a sample preparation procedure in analytical chemistry. The successful implementation of this technique can lead to improved sample throughput, more efficient recovery of analytes, cleaner extracts, economic replacement of halogenated solvents and a high level of automation, compared to conventional sample preparation procedures. This book provides an overview of basic principles of SFE as well as in-depth reviews of both on- and off-line SFE methods. The on-line coupling of SFE with both chromatographic and spectroscopics techniques has been the subject of a great deal of research effort and is dealt with in detail. Newer developments, such as off-line SFE of solid and liquid matrices, are starting to attract a great deal of interest, and the coverage of these areas will prove of particular value to the analytical chemist. The international team of authors has illustrated these topics with many `state-of-the-art' applications, and each chapter provides a comprehensive list of references. For the convenience of the reader, an appendix which contains pressure conversion scales and supercritical fluid carbon dioxide density tables appears at the end of the book. The volume's extensive coverage of both on-line and off-line extraction will be particularly useful to analytical chemists, in a wide range of environments, seeking to develop high quality, simple and robust SFE methods.
Book Synopsis Practical Supercritical Fluid Chromatography and Extraction by : Thomas Caudell
Download or read book Practical Supercritical Fluid Chromatography and Extraction written by Thomas Caudell and published by Routledge. This book was released on 2018-05-08 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: An exploration of fundamental as well as practical aspects of supercritical fluid chromatography and extraction. It addresses topics such as: packed columns in SFC; detection in SFC; supercritical fluid chromatography/mass spectroscopy; and evaporative light scattering detection in SFC.
Book Synopsis Analysis with Supercritical Fluids: Extraction and Chromatography by : Bernd Wenclawiak
Download or read book Analysis with Supercritical Fluids: Extraction and Chromatography written by Bernd Wenclawiak and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of supercritical fluids in analytical chemistry is still grow ing. More and more analysts are discovering the favorable advan tages for a number of applications. Especially supercritical fluid extraction (SFE) has attracted a lot of interest in recent years due to its simplicity. Supercritical fluid chromatography (SFC) has become better established and the development of this technique has been accelerated by the many applications with capillary col umns which have been published in the literature. At first SFC equipment was based on instruments commonly used for liquid chromatography, and the first commercial in struments were derived from this technology. However, capillary columns can be much more easily interfaced to gas chromatogra phy equipment especially to the detectors commonly used for Oc. Many stationary phases both for packed micro columns and capillary columns have been designed for SFC purposes extending this technology to LC and OC. The most common fluid applied in SFC and SFE is carbon dioxide. The advantages of supercritical CO , such as having dif 2 fusivity like a gas and solvating power depending on temperature and pressure, are also valid for other fluids and modified fluids. Both properties are valuable for sample extraction and extraction selectivity.
Book Synopsis Practical Supercritical Fluid Chromatography and Extraction by : Thomas Caudell
Download or read book Practical Supercritical Fluid Chromatography and Extraction written by Thomas Caudell and published by CRC Press. This book was released on 1999-03-08 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the fundamental and practical aspects of supercritical fluid chromatography (SFC) and extraction. It discusses packed columns in SFC; detection in SFC; supercritical fluid chromatography/mass spectroscopy; and evaporative light scattering detection in SFC.
Book Synopsis Supercritical Fluid Extraction and its Use in Chromatographic Sample Preparation by : S.A. Westwood
Download or read book Supercritical Fluid Extraction and its Use in Chromatographic Sample Preparation written by S.A. Westwood and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: by Professor D. E. Games, Mass Spectrometry Research Unit, University College of Swansea Sample preparation can be viewed as occupying a Cinderella role in analytical science. However, the quality of sample preparation plays a key role in high In the past decade, there has been quality analysis and deserves higher stature. considerable interest in the use of supercritical fluid extraction (SFE) as an alternative to conventional procedures for the preparation of samples for ana lysis. The driving force for this development is the need for automated, sim pler, faster, non-destructive and selective methods for extraction, preferably using non-toxic extraction media which are easily disposed of. Utilization of supercritical fluids for extraction fulfils these requirements because of their unique physical chemical properties and usually low toxicity. Selectivity can be achieved by suitable selection of pressure (density), temperature and modi fier conditions which enable solvating power to be varied. The high diffusivity of supercritical fluids provides rapid sample penetration and extraction. Use of fluids with low critical temperatures enables extraction to be conducted under mild thermal conditions ensuring that thermally labile compounds do not decompose. The technique can be used off-line, and the extracts analysed by appropriate techniques, or it can be used on-line, by coupling with a variety of chromatographic techniques. These can then, if necessary, be coupled fur ther with spectroscopic techniques, such as Fourier transform infrared, ultra violet or mass spectrometry, to provide specific identification or structural information.
Book Synopsis Supercritical Fluid Extraction - Supercritical Fluid Chromatography - Mass Spectrometry (SFE-SFC-MS) Method Development for Online Extraction of Complex Biological and Environmental Matrices by : Blair Kristen Berger
Download or read book Supercritical Fluid Extraction - Supercritical Fluid Chromatography - Mass Spectrometry (SFE-SFC-MS) Method Development for Online Extraction of Complex Biological and Environmental Matrices written by Blair Kristen Berger and published by . This book was released on 2022 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: A systematic approach to the rapid development of hyphenated online methods for supercritical fluid extraction-supercritical fluid chromatography-mass spectrometry (SFE-SFC-MS) was established for the analysis of complex biological and environmental samples with limited sample sizes. Extensive sample preparation and cleanup is incompatible with small sample sizes. Hyphenated online extractions offer major advantages desirable where sample quantity is limited. By minimizing sample preparation and handling, online extractions provide higher throughput, and minimizes the opportunity for sample contamination or loss. However, hyphenated methods have been difficult to develop since each step has its own requirements, which has slowed penetration into many areas which it should be ideally suited. Recent instrument advances provide new opportunity in online extraction with hyphenated SFE-SFC-MS. The first step involved synergistically optimizing MS-detection, SFC-separation, and SFE extraction. Reference materials and quality controls (QCs) were developed using two separate complex matrices: A micro-dried blood spot (DBS) coring technique for antidoping analysis, and microplastics (μPs) reference materials from cryomilled plastic pellets, for environmental pollutants polycyclic aromatic hydrocarbons (PAHs). A micro-DBS coring technique was established for the for anti-doping analysis was established for direct applicability to with application to androgenic anabolic steroids (AAS) to reflect method validity for evaluation of real/field samples, For DBS: methods were optimized in a stepwise process for the separation and extraction of androgenic anabolic steroids (AAS) were applied to micro-DBS made with human and bovine blood and final method optimizations were performed with focus for Anti-doping analysis. μP Field samples: Pre-optimized methods for the online extraction and separation of environmentally persistent organic pollutants (ePOPs) were applied to marine-exposed μPs and final method optimizations were performed with focus for the targeted analysis of PAHs. The goal was to contribute alternative solutions for blood-based anti-doping testing to current techniques and broaden the accessibility of online SFE-SFC to the scientific community.
Book Synopsis Supercritical Fluid Chromatography by : Colin F. Poole
Download or read book Supercritical Fluid Chromatography written by Colin F. Poole and published by Elsevier. This book was released on 2017-02-16 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supercritical fluid chromatography (SFC) is a rapidly developing laboratory technique for the separation and identification of compounds in mixtures. Significant improvements in instrumentation have rekindled interest in SFC in recent years and enhanced its standing in the scientific community. Many scientists are familiar with column liquid chromatography and its strengths and weaknesses, but the possibilities brought to the table by SFC are less well-known and are underappreciated. Supercritical Fluid Chromatography is a thorough and encompassing reference that defines the concept of contemporary practice in SFC and how it should be implemented in laboratory science. Given the changes that have taken place in SFC, this book presents contemporary aspects and applications of the technique and introduces SFC as a natural solution in the larger field of separation science. The focus on state-of-the-art instrumental SFC distinguishes this work as the go-to reference work for those interested in implementing the technique at an advanced level. - Edited and authored by world-leading chromatography experts - Provides comprehensive coverage of SFC in a single source - Extensive referencing facilitates identification of key research developments - More than 200 figures and tables aid in the retention of key concepts
Book Synopsis Supercritical Fluid Extraction and Chromatography by : Bonnie A. Charpentier
Download or read book Supercritical Fluid Extraction and Chromatography written by Bonnie A. Charpentier and published by . This book was released on 1988 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis with Supercritical Fluids by : Bernd Wenclawiak
Download or read book Analysis with Supercritical Fluids written by Bernd Wenclawiak and published by . This book was released on 1992-11-03 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: The editor has brought together in a compact and readable form the new methods of analytical chemistry using supercritical fluids. The volume provides comprehensive treatment of supercritical fluid chromatography (SFC) and supercritical fluid extraction (SFE); it discusses both theory and practice. The contributions are written by leading experts in their fields with exhaustive practical experience in SFC and SFE. Special attention is given to the description of applications and thus provides the experienced analyst with invaluable information widely scattered in the literature and helps the novice to adopt these new techniques quickly in his laboratory. An addendum includes brand new literature on SFC and SFE.
Book Synopsis Supercritical Fluid Chromatography And Micro-hplc by : M. Yoshioka
Download or read book Supercritical Fluid Chromatography And Micro-hplc written by M. Yoshioka and published by VSP. This book was released on 1989 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: First published in 1988. Routledge is an imprint of Taylor & Francis, an informa company.
Book Synopsis Supercritical Fluids in Chromatography and Extraction by : R. M. Smith
Download or read book Supercritical Fluids in Chromatography and Extraction written by R. M. Smith and published by Elsevier Science Limited. This book was released on 1997 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the mid 1980s supercritical fluid chromatography (SFC) arose with considerable fanfare as the new technique which would shortly "displace HPLC" and become the "universal separation method". After the initial hype had passed, there has still remained a significant group of applications in both chromatography and extraction for which supercritical fluids are the most suitable solvents. These form the basis of this volume, which illustrates the present state of analytical supercritical technology by a collection of review and research papers. Many publications in this field have blurred the boundaries of supercritical fluids, claiming that they filled a gap between gases and liquids and "had the properties of both". This was never true and this book seeks a more rational view of the state of application of supercritical fluids as their position in the analytical laboratory becomes clearer. These papers emphasise that future chromatographers should not be compartmentalised into "gas chromatographers" or "liquid chromatographers" but should view the field as a series of merging separation techniques. The overall emphasis is on extraction methods, usually as a sample preparation method prior to HPLC or GC analysis, but in some cases the extract is examined directly as the analytical step. This bias on extraction methods reflects the impact of supercritical fluids in the working laboratory. It is therefore an area where advances can have the maximum benefit for the user. The papers on chromatography are diverse and adventurous, covering particularly chiral chromatography and metal complex analysis, where SFC offers particular advantages over existing methods. Rather than be a separate branch of chromatography or extractions it is clear that the use of solvents above their normal conditions of temperature and pressure, up to and including the supercritical state, will continue to expand the range of analytical methods as part of an overall spectrum of solubility, polarity and volatility properties of solvents and mobile phases. This volume is an important addition to this movement and will help to redress the lack of education in the theory and practice of sample preparation which has been a great limiting factor for SFC and SFE.
Book Synopsis Supercritical Fluid Extraction by : Larry T. Taylor
Download or read book Supercritical Fluid Extraction written by Larry T. Taylor and published by Wiley-Interscience. This book was released on 1996-03-13 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: By encouraging a deliberate, systematic approach to supercritical fluid extraction (SFE) methods and techniques, this book enables scientists and technicians to avoid disappointing results and erroneous conclusions and develop reliable guidelines for using this versatile technology.
Book Synopsis Supercritical Fluid Chromatography with Patked Columns by : Klaus Anton
Download or read book Supercritical Fluid Chromatography with Patked Columns written by Klaus Anton and published by CRC Press. This book was released on 1997-09-19 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the analytical to industrial preparative scale, this work provides a praxis-oriented overview of packed column supercritical fluid chromatography. It discusses and evaluates established applications and techniques, up-to-date and promising developments, and commercial instrumentation devices for use in industry. The book also reveals possibilities for problem solving and future innovations.
Book Synopsis Supercritical Fluid Chromatography by : Gregory K. Webster
Download or read book Supercritical Fluid Chromatography written by Gregory K. Webster and published by CRC Press. This book was released on 2014-02-04 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analytical chemists in the pharmaceutical industry are always looking for more-efficient techniques to meet the analytical challenges of today's pharmaceutical industry. One technique that has made steady advances in pharmaceutical analysis is supercritical fluid chromatography (SFC). SFC is meeting the chromatography needs of the industry by provi
Book Synopsis Modern Supercritical Fluid Chromatography by : Curt M. White
Download or read book Modern Supercritical Fluid Chromatography written by Curt M. White and published by . This book was released on 1988 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Supercritical Fluid Chromatography by : Gérard Rossé
Download or read book Supercritical Fluid Chromatography written by Gérard Rossé and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-12-17 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supercritical Fluid Chromatography (SFC) provides a timely overview of SFC application areas which were unimaginable just a decade ago. This two-volume series opens with an overview of the history and expectant future of SFC and continues with recent applications in the pharmaceutical industry and other fascinating areas of science. SFC has found its place in the pharmaceutical industry with an increasing body of applications for chiral and achiral molecules in both the research and development phases of the drug discovery process. As illustrated in this two-volume series, the current interest in SFC extends well beyond the pharmaceutical industry. Chapters encompassing applications for polar and non-polar mixtures of importance are covering widely disparate areas in substance abuse, natural products including cannabinoids, bioactive lipids, flavor and fragrance. With its broad balance and coverage, this two-volume book constitutes a unique educational platform to students and scientists for many years to come. The major objective of this book editions is to inspire and stimulate readers to continue exploring the possibilities of exploiting supercritical fluids as a particular media for analysis, purifications and synthesis
