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Author:
Publisher: Elsevier
ISBN: 0080858023
Category : Science
Languages : en
Pages : 585
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Book Description
Extraction Chromatography
Author:
Publisher: Elsevier
ISBN: 0080858023
Category : Science
Languages : en
Pages : 585
Get Book Here
Book Description
Extraction Chromatography
Author: Douglas T. Gjerde
Publisher: John Wiley & Sons
ISBN: 3527627200
Category : Science
Languages : en
Pages : 206
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Book Description
This first book on the market covers the many new and important RNA species discovered over the past five years, explaining current methods for the enrichment, separation and purification of these novel RNAs. Building up from general principles of RNA biochemistry and biophysics, this book addresses the practical aspects relevant to the laboratory researcher throughout, while discussing the performance and potential problems of the methods discussed. An appendix contains a glossary with the important terms and techniques used in RNA analysis. By explaining the basic and working principles of the methods, the book allows biochemists and molecular biologists to gain much more expertise than by simply repeating a pre-formulated protocol, enabling them to select the procedure and materials best suited to the RNA analysis task at hand. As a result, they will be able to develop new protocols where needed and optimize and fine-tune the general purpose standard protocols that come with the purification equipment and instrumentation.
Author: Colin F. Poole
Publisher: Elsevier
ISBN: 0128169125
Category : Science
Languages : en
Pages : 818
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Book Description
Liquid Phase Extraction thoroughly presents both existing and new techniques in liquid phase extraction. It not only provides all information laboratory scientists need for choosing and utilizing suitable sample preparation procedures for any kind of sample, but also showcases the contemporary uses of sample preparation techniques in the most important industrial and academic project environments, including countercurrent chromatography, pressurized-liquid extraction, single-drop Microextraction, and more. Written by recognized experts in their respective fields, it serves as a one-stop reference for those who need to know which technique to choose for liquid phase extraction. Used in conjunction with a similar release, Solid Phase Extraction, it allows users to master this crucial aspect of sample preparation. - Defines the current state-of-the-art in extraction techniques and the methods and procedures for implementing them in laboratory practice - Includes extensive referencing that facilitates the identification of key information - Aimed at both entry-level scientists and those who want to explore new techniques and methods
Author: Bernd Wenclawiak
Publisher: Springer Science & Business Media
ISBN: 3642774741
Category : Science
Languages : en
Pages : 225
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Book Description
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.
Author: Colin F. Poole
Publisher: Elsevier
ISBN: 0128169079
Category : Science
Languages : en
Pages : 742
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Book Description
Solid Phase Extraction thoroughly presents both new and historic techniques for dealing with solid phase extraction. It provides all information laboratory scientists need for choosing and utilizing suitable sample preparation procedures for any kind of sample. In addition, the book showcases the contemporary uses of sample preparation techniques in the most important industrial and academic project environments, including solid-phase Microextraction, molecularly imprinted polymers, magnetic nanoparticles, and more. Written by recognized experts in their respective fields, this one-stop reference is ideal for those who need to know which technique to choose for solid phase extraction. Used in conjunction with a similar release, Liquid Phase Extraction, this book allows users to master this crucial aspect of sample preparation. - Defines the current state-of-the-art in extraction techniques and the methods and procedures for implementing them in laboratory practice - Includes extensive referencing that facilitates the identification of key information - Aimed at both entry-level scientists and those who want to explore new techniques and methods
Author: Satinder Ahuja
Publisher: Elsevier
ISBN: 0080501125
Category : Science
Languages : en
Pages : 264
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Book Description
The basic objectives of this book are to: provide basic information on chromatography and separation science; show how simple extraction and partition processes provide the basis for development of chromatography and separation science; describe the role of chromatography and separation science in various fields; discuss the role of chromatography and separation science in development of new methodology; and present new evolving methods and how to select an optimum method.· The book covers the fundamental physical and chemical phenomena involved in separations· Provides a concise overview of the basics of transport phenomena and thermodynamics· Shows the importance of chromatography within separation science
Author:
Publisher: Elsevier
ISBN: 0080527868
Category : Science
Languages : en
Pages : 442
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Book Description
Bioanalytical Separations is volume 4 of the multi-volume series, Handbook of Analytical Separations, providing reviews of analytical separation methods and techniques used for the determination of analytes across a whole range of applications. The theme for this volume is bioanalysis, in this case specifically meaning the analysis of drugs and their metabolites in biological fluids.- Discusses new developments in instrumentation and methods of analyzing drugs and their metabolites in biological fluids - Provides guidance to the different methods, their relative value to the user, and the advantages and pitfalls of their use - Future trends are identified, in terms of the potential impact of new technologies
Author: S M Khopkar
Publisher: New Age International
ISBN: 9788122411591
Category :
Languages : en
Pages : 506
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Book Description
Analytical Chemistry Has Made Significant Progress In The Last Two Decades. Several Methods Have Come To The Forefront While Some Classical Methods Have Been Relegated. An Attempt Has Been Made In This Edition To Strike A Balance Between These Two Extremes, By Retaining Most Significant Methods And Incorporating Some Novel Techniques. Thus An Endeavour Has Been Made To Make This Book Up To Date With Recent Methods.The First Part Of This Book Covers The Classical Volumetric As Well As Gravimetric Methods Of Analysis. The Separation Methods Are Prerequisite For Dependable Quantitative Methods Of Analysis. Therefore Not Only Solvent Extraction Separations But Also Chromatographic Methods Such As Adsorption, Partition, Ion- Exchange, Exclusion Andelectro Chromatography Have Been Included. To Keep Pace With Modern Developments The Newly Discovered Techniques Such As Ion Chromatography, Super-Critical Fluid Chromatography And Capillary Electrophoresis Have Been Included.The Next Part Of The Book Encompases The Well Known Spectroscopic Methods Such As Uv, Visible, Ir, Nmr, And Esr Techniques And Also Atomic Absorption And Plasma Spectroscopy And Molecular Luminescences Methods. Novel Analytical Techniques Such As Auger, Esca And Photo Accoustic Spectroscopy Of Surfaces Are Also Included.The Final Part Of This Book Covers Thermal And Radioanalytical Methods Of Analysis. The Concluding Chapters On Electroanalytical Techniques Include Potientometry, Conductometry. Coulometry And Voltametry Inclusive Of All Kinds Of A Polarography. The Theme Of On Line Analysis Is Covered In Automated Methods Of Analysis.To Sustain The Interest Of The Reader Each Chapter Is Provided With Latest References To The Monographs In The Field. Further, To Test The Comprehension Of The Subject Each Chapter Is Provided With Large Number Of Solved And Unsolved Problems.This Book Should Be Useful To Those Reads Who Have Requisite Knowledge In Chemistry And Are Majoring In Analytical Chemistry. It Is Also Useful To Practising Chemists Whose Sole Aim Is To Keep Abreast With Modern Developments In The Field.
Author: Karl A. Gschneidner
Publisher: Elsevier
ISBN: 9780444503466
Category : Science
Languages : en
Pages : 434
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Book Description
Even at the beginning of the new millenium the rare earths still remain, to a certain extent, a mystery. The chapters in this volume will help to unravel some of these. In the filling of the 4f electronic orbitals the lanthanides defy the elementary aufbau principle that underlies the periodic sequence of the elements, and the authors of the first chapter introduce the readers to the basic physics of the orbital collapse leading to that failure. Furthermore an explanation is offered in terms of double-well potentials. The phenomenon is illustrated using the valence transitions observed in some of the rare earth atoms, including Sm group metals and the higher oxides of cerium, praseodymium and terbium. In the second chapter the synthesis and structure of the many types of rare earth halides are described. They have been described as simple, complex, binary, ternary and multinuclear complex, and other categories needed to deal with the most studied of the rare earth compounds. The structure types are skillfully illustrated to show the elementary architecture of each type. In chapter three the authors discuss the science and applications of rare earth super ionic conductors as solid electrolytes. Conduction by oxygen and fluorine anions as well as hydrogen and other cations associated with these electrolytes is emphasized. They deal with extrinsic and intrinsic types together with their associated structures and structural types including structural defects. The chapter concludes with an outline of the many applications of solid electrolytes. Chapter four introduces the reader to the principles that underlie thermoluminescence and its application to dosimetry and provides detailed information on the R-activated phosphors that support dosimetry. This is a selective review of detailed literature based on the areas making most progress. The final chapter elaborates on the data gained by the studies and interpretation around the analytical separation of the individual rare earth elements utilizing chromatographic techniques. The authors describe the fundamental chemistry that underpins contemporary analytical separation techniques for lanthanide separation and analysis. This is done after a description of the rich assortment of separation methods in use has been introduced.
Author: Serban C. Moldoveanu
Publisher: Elsevier
ISBN: 0128214058
Category : Science
Languages : en
Pages : 696
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Book Description
Modern Sample Preparation for Chromatography, Second Edition explains the principles of sample preparation for chromatographic analysis. A variety of procedures are applied to make real-world samples amenable for chromatographic analysis and to improve results. This book's authors discuss each procedure's advantages, disadvantages and their applicability to different types of samples, along with their fit for different types of chromatographic analysis. The book contains numerous literature references and examples of sample preparation for different matrices and new sections on green approaches in sample preparation, progress in automation of sample preparation, non-conventional solvents for LLE (ionic liquids, deep eutectic mixtures, and others), and more. Presents numerous techniques applied for sample preparation for chromatographic analysis Provides an up-to-date source of information regarding the progress made in sample preparation for chromatography Describes examples for specific types of matrices, providing a guide for choosing the appropriate sample preparation method for a given analysis
