Thin Layer Chromatography For Binding Media Analysis

In the study and conservation of art and artifacts, natural organic materials are frequently encountered in components such as coatings, binders, and adhesives. The identification of these materials is often crucial to the attempt to characterize the technologies employed by artists or craftspeople, understand the processes and causes of deterioration, and plan appropriate conservation treatments. Yet the limited resources of many conservation laboratories put many analysis techniques beyond their reach. Thin-layer chromatography can help fill this gap. The volume consists of a handbook, protocols, and guide to reference materials. The handbook serves as a primer for the basic application of thin-layer chromatography to the analysis of binding media, adhesives, and coatings found on cultural objects; the protocols provide step-by-step instructions for the laboratory procedures involved in typical analyses; and the guide to reference materials aids in the understanding of the types of materials and documentation needed for accurate analyses by thin-layer chromatography.

Used routinely in drug control laboratories, forensic laboratories, and as a research tool, thin layer chromatography (TLC) plays an important role in pharmaceutical drug analyses. It requires less complicated or expensive equipment than other techniques, and has the ability to be performed under field conditions. Filling the need for an up-to-date, complete reference, Thin Layer Chromatography in Drug Analysis covers the most important methods in pharmaceutical applications of TLC, namely, analysis of bulk drug material and pharmaceutical formulations, degradation studies, analysis of biological samples, optimization of the separation of drug classes, and lipophilicity estimation. The book is divided into two parts. Part I is devoted to general topics related to TLC in the context of drug analysis, including the chemical basis of TLC, sample pleparation, the optimization of layers and mobile phases, detection and quantification, analysis of ionic compounds, and separation and analysis of chiral substances. The text addresses the newest advances in TLC instrumentation, two-dimensional TLC, quantification by slit scanning densitometry and image analysis, statistical processing of data, and various detection and identification methods. It also describes the use of TLC for solving a key issue in the drug market—the presence of substandard and counterfeit pharmaceutical products. Part II provides an in-depth overview of a wide range of TLC applications for separation and analysis of particular drug groups. Each chapter contains an introduction about the structures and medicinal actions of the described substances and a literature review of their TLC analysis. A useful resource for chromatographers, pharmacists, analytical chemists, students, and R&D, clinical, and forensic laboratories, this book can be utilized as a manual, reference, and teaching source.

Instrumental Thin-Layer Chromatography, Second Edition offers a comprehensive source of authoritative information on all aspects of instrumental thin-layer chromatography. The use of short, topic-focused chapters facilitates identifying information of immediate interest for familiar or emerging uses of thin-layer chromatography. The book gives those working in both academia and industry the opportunity to learn, refresh, or deepen their understanding of fundamental and instrumental aspects of thin-layer chromatography, as well as the tools to interpret and manage chromatographic data. The book serves as a practical consolidated guide to the selection of separation conditions and the use of auxiliary techniques. This fully updated new edition restores the contemporary character of the book for those involved in advancing the technology, analyzing data produced, or applying the technique to new application areas. Some chapters have been consolidated to make room for topics not covered in the first edition, reflecting general changes in the field of thin-layer chromatography, especially in effects-directed detection, convenient interfaces for advanced spectroscopic detection, and greater automation possibilities. This book is a valuable reference for anyone who needs to acquire fundamental and practical information to facilitate progress in research and management functions utilizing information acquired by thin-layer chromatography. Features individual chapters written by recognized authoritative and visionary experts in the field Provides an overview and focused treatment of a single topic Provides tables and diagrams with commonly used data to facilitate practical work, comparison of results, and decision-making Places modern developments in the research literature into a general context not always apparent to inexperienced users of the technique Offers comprehensive updates to all chapters Includes new chapters on instrument platforms, effects-directed detection, data analysis tools, small-scale and microfluidic planar separation systems, and applications to the separation of amino acids and peptides, the analysis of saccharides and lipids, and forensic analysis

Thin layer chromatography (TLC) is well suited for performing enantioseparations for research as well as larger-scale applications. A fast, inexpensive, and versatile separation technique, there are many practical considerations that contribute to its effectiveness. Thin Layer Chromatography in Chiral Separations and Analysis is the first bo

Offers an overview of the analysis of art and archaeological materials using techniques based on mass spectrometry Illustrates basic principles, procedures and applications of mass spectrometric techniques. Fills a gap in the field of application on destructive methods in the analysis of museum objects Edited by a world-wide respected specialists with extensive experience of the GC/MS analysis of art objects Such a handbook has been long-awaited by scientists, restorers and other experts in the analysis of art objects

Planar Chromatography–Mass Spectrometry focuses on a relatively new approach to chemical analysis in general, and to separation science in particular. It is the first book to systemically cover the theoretical background, techniques, instrumentation, and practical applications of planar chromatography–mass spectrometry as a hyphenated tool of analytical chemistry. It also examines the high and as-yet unexploited potential of planar chromatography–mass spectrometry for analytical use in scientific investigations. This book overviews the combination of planar chromatography, a relatively simple and cost-effective separation step for determining complex mixtures of compounds, with mass spectrometry, an efficient, highly instrumental, and relatively expensive technique that enables rapid identification of separated chemical species. It covers electrophoretic–mass spectrometry methods and applications, which are considered planar chromatographic techniques and are increasingly being exploited in proteomic and molecular biology studies as well as for medical diagnostic purposes. It also provides a selection of applications, such as drug control and forensic and food analysis, including more difficult substances such as carbohydrates and lipids. The book advocates growth in using planar chromatography–mass spectrometry in laboratories that have appropriate equipment but have not yet employed the techniques in combination. It also describes the use of a relatively inexpensive commercial system that can be adopted by laboratories currently working without the coupled methodology. Aiming to improve power and efficiency when other analytical methods are inadequate, Planar Chromatography–Mass Spectrometry encourages separation science practitioners in academia and industry to combine the two methods for enhanced results.

Preparative Layer Chromatography explains how this method is used for separating large quantities of mixtures containing a wide variety of important compounds. It offers a broad review of preparative layer chromatography (PLC) applications and adaptable working procedures for microseparations involving organic, inorganic, and organometallic compounds. The book contains theoretical background, chemical principles, and relevance of preparative layer chromatography (PLC) to a wide range of applications, particularly in the study of pharmaceuticals and biochemistry. Written by many of the best known and most knowledgeable specialists in the field, the chapters describe all the necessary techniques, current procedures, and superior strategies for selecting the most suitable eluents and designing application-specific PLC systems based on the data being sought. They provide comprehensive instructions, surrounding issues, and suggestions for optimizing optional working techniques within the framework of PLC. The book also provides a complete coverage of bulk sorbents and precoated chromatographic plates available on the international market. A comprehensive, yet accessible source of information, Preparative Layer Chromatography is a relevant and practical text for experienced as well as novice researchers and practitioners involved in analytical, environmental, geochemical, biological, medicinal, and pharmaceutical analysis.