Products related to Chromatography:
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Chromatography Paper Grade 1 Sheets
Grade 1 Chromatography Paper Sheets.Colours from sweets or from water-based felt-tip pens can be split into their separate dyes when the chromatography paper absorbs water. Sheet Size 100mm x 300mmPack of 100
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Protein Chromatography : Process Development and Scale-Up
An all-in-one practical guide on how to efficiently use chromatographic separation methods Based on a training course that teaches the theoretical as well as practical aspects of protein bioseparation to bioprocess professionals, this fully updated and revised new edition offers comprehensive coverage of continuous chromatography and provides readers with many relevant examples from the biopharmaceutical industry. Divided into two large parts, Protein Chromatography: Process Development and Scale-Up, Second Edition presents all the necessary knowledge for effective process development in chromatographic bioseparation, both on small and large scale.The first part introduces chromatographic theory, including process design principles, to enable the reader to rationalize the set-up of a bioseparation process.The second part illustrates by way of case studies and sample protocols how the theory learned in the first part may be applied to real-life problems.Chapters look at: Downstream Processing of Biotechnology Products; Chromatography Media; Laboratory and Process Columns and Equipment; Adsorption Equilibrium; Rate Processes; and Dynamics of Chromatography Columns.The book closes with chapters on: Effects of Dispersion and Rate Processes on Column Performance; Gradient Elution Chromatography; and Chromatographic Column Design and Optimization. -Presents the most pertinent examples from the biopharmaceutical industry, including monoclonal antibodies -Provides an overview of the field along with design tools and examples illustrating the advantages of continuous processing in biopharmaceutical productions -Focuses on process development and large-scale bioseparation tasks, making it an ideal guide for the professional bioengineer in the biotech and pharma industries -Offers field-tested information based on decades of training courses for biotech and chemical engineers in Europe and the U.S. Protein Chromatography: Process Development and Scale-Up, Second Edition will appeal to biotechnologists, analytical chemists, chromatographers, chemical engineers, pharmaceutical industry, biotechnological industry, and biochemists.
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Process Gas Chromatography : Advanced Design and Troubleshooting
Understand a key tool for optimizing an industrial process Process gas chromatography is a method used to separate and analyze chemical compounds in an industrial process.First established in the middle of the twentieth century, it aims to return analytical results rapidly enough that they can be used to optimized a fluid processing plant.It is a complex process which demands meticulous training of process gas chromatograph engineers and operators.Process Gas Chromatography: Advanced Design and Troubleshooting offers an essential companion volume to the author’s earlier Process Gas Chromatographs: Fundamentals, Design and Implementation.It builds on the previous volume’s foundation to offer a full understanding of how PGC technology can be optimized and applied to specific processes.Focused on advanced principles and practical methods, it’s a must-own for process engineers at any professional stage.Process Gas Chromatography readers will also find: Extensive troubleshooting assistance including many test sequences for diagnosing and correcting malfunctionsCoverage of the theory required to improve reliability and accuracy of PGC methodsA detailed summary and self-assessment questions accompanying each standalone chapter Process Gas Chromatography is ideal for end-user process analyzer engineers, applications chemists, maintenance personnel, and troubleshooters working in the fluid processing industries.
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Ion Chromatography : Instrumentation, Techniques and Applications Volume 13
Ion Chromatography: Instrumentation, Techniques and Applications, Volume 13 in the series Separation Science and Technology, provides a modern overview of all aspects of ion chromatography instrumentation and chemistry techniques, including the historical backdrop of some of the key developments.Most existing books on ion chromatography are focused on single column ion chromatography (rarely used today) or applications, or are outdated.This book covers the broad range of technologies in use and explains the advantages of each, helping both experienced and new practitioners to choose the method they need. The editors of this book have all played a key role in the success of ion chromatography at Dionex Corporation, the undisputed leader in ion chromatography for more than 40 years, and are in a unique position to describe both the technology and its applications.Ion chromatography is the technique of choice for analyzing ionic or ionizable compounds in various industries, such as pharmaceuticals and food.In addition, it is very useful for monitoring cationic or anionic impurities in drinking water.
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What is the difference between paper chromatography and gas chromatography?
Paper chromatography involves the separation of compounds based on their affinity to the stationary phase (paper), while gas chromatography separates compounds based on their volatility and interaction with the mobile phase (gas). In paper chromatography, the mobile phase is a liquid solvent, whereas in gas chromatography, the mobile phase is a gas. Gas chromatography is typically more sensitive and provides better resolution compared to paper chromatography, making it more suitable for analyzing complex mixtures of compounds.
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What happens during chromatography?
During chromatography, a mixture of substances is separated into its individual components based on their different affinities for a stationary phase and a mobile phase. The sample is applied to the stationary phase, and the mobile phase is passed through the stationary phase. As the mobile phase moves through the stationary phase, the components of the mixture will interact differently with the stationary phase, causing them to separate and move at different rates. This results in the components being eluted from the column at different times, allowing for their individual identification and quantification.
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Is there a difference between chromatography and thin layer chromatography of amino acids?
Yes, there is a difference between chromatography and thin layer chromatography (TLC) of amino acids. Chromatography is a general term for a technique used to separate and analyze mixtures, while TLC is a specific type of chromatography that uses a thin layer of adsorbent material on a flat support to separate compounds. In the case of amino acids, both techniques can be used to separate and analyze the different amino acids present in a mixture, but TLC is a quicker and simpler method that is often used for preliminary analysis or for educational purposes. Traditional chromatography methods, such as high-performance liquid chromatography (HPLC), may offer higher resolution and sensitivity for more detailed analysis of amino acids.
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What is paper chromatography in chemistry?
Paper chromatography is a technique used in chemistry to separate and analyze mixtures of substances. It involves placing a small spot of the mixture on a strip of paper and then allowing a solvent to move up the paper through capillary action. As the solvent moves, it carries the different components of the mixture at different rates, causing them to separate based on their affinity for the paper and the solvent. This technique is commonly used in the identification of unknown substances and in the analysis of complex mixtures.
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Multi-Dimensional Liquid Chromatography : Principles, Practice, and Applications
Two-dimensional liquid chromatography (2D-LC) is finding increasingly wide application principally due to the analysis of mixtures of moderate to high complexity.Many industries are developing increasingly complex products that are challenging the separation capabilities of state-of-the-art 1D-LC and need new analytical methodologies with substantially more resolving power, and 2D-LC meets that need.This text, organized by two leaders in the field, establishes a sound fundamental basis for the principles of the technique, followed by a discussion of important practical considerations.The book begins with an introduction to multi-dimensional separations and a discussion of the history and development of the technique over the past 40 years, followed by several chapters that provide a theoretical basis for development of 2D-LC methods, including foundational concepts regarding separation complementarity, under-sampling, and dynamics of liquid chromatography separations.Instrumentation for 2D-LC is discussed extensively, including practical aspects such as interface selection and setup.Building on this foundation, two separate chapters are focused on method development for non-comprehensive and comprehensive separations, followed by a chapter dedicated to data analysis.Finally, applications of 2D-LC in several fields ranging from pharmaceutical analysis to polymer science are summarized. The book is an important resource for both students and practitioners who are already using 2D-LC or are interested in getting started in the field. Key Features:Demonstrates the conditions under which a 2D-LC method should be considered as an alternative to a 1D-LC methodEstablishes a sound fundamental basis of the principles of the technique, followed by guidelines for method optimizationProvides a single source for technical knowledge advances and practical guidance described in recent literatureAssists with the initial decision to develop a 2D-LC methodGuides the reader in developing a high-quality method that meets the needs of their application
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Modern Practice of Gas Chromatography, Fifth Editi on
Description from previous ed.: Analytical chemists, technicians, and scientists in allied disciplines have come to regard Modern Practice of Gas Chomatography as the standard reference in gas chromatography.In addition to serving as an invaluable reference for the experienced practitioner, this bestselling work provides the beginner with a solid understanding of gas chromatographic theory and basic techniques.
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Dietary Supplement Test Methods: Liquid Chromatography Separation Techniques And Application
This book describes the analytical approach to testing over 160 important dietary supplement ingredients.In addition to the methods, there is significant guidance provided on how to develop, modify, and improve testing techniques.The procedures in this book include some of the most modern technologies that are available in the laboratory today.These basic principles of method development and troubleshooting can be implemented for food and food safety testing, drug development research, and agricultural areas.The contents of this book contain a very comprehensive collection of valuable analytical tools.
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Afternoon Tea, Vineyard Tour & Tasting - Cambridgeshire
Afternoon Tea Experience Days: Explore the journey from grape to glass on this trio of experiences, as you stroll around the beautiful vineyard, then enjoy afternoon tea and a wine tasting in the bistro. The vineyard you'll be visiting is one of the oldest and very best in England, so you're in for a treat! On the day, you'll arrive at the vineyard in the early afternoon and meet at the bistro. You'll be met by your wine enthusiast tour guide and the rest of the group, then set off to start the tour. You'll follow the path around the different vines used in some of the award winning wines made on site. You'll then visit the winery where all of the process needed to make the wines takes place from fermentation to bottling. After the vineyard tour is finished, you'll head back to the bistro to enjoy the wine tasting. Your expert guide will explain the differences between the wines as you sample a variety and the correct tasting technique. To finish off the day, you can munch your way through the traditional afternoon tea enjoyed in the bistro. This Afternoon Tea, Vineyard Tour & Tasting would be perfect for a day out in Cambridgeshire where you can wine and dine in style. It's a great gift for couples to celebrate anniversaries or friends looking to celebrate birthdays. Enjoy!
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What is the principle of chromatography and can you provide an example of different chromatography methods?
Chromatography is a technique used to separate and analyze complex mixtures based on the differential interactions between the components of the mixture and a stationary phase. The principle of chromatography involves the sample being dissolved in a mobile phase and passed through a stationary phase. The components of the sample interact differently with the stationary phase, causing them to separate based on their affinity for the stationary phase. There are various types of chromatography methods, including gas chromatography (GC), liquid chromatography (LC), and high-performance liquid chromatography (HPLC). In gas chromatography, the mobile phase is a gas, while in liquid chromatography, the mobile phase is a liquid. HPLC is a more advanced form of liquid chromatography that uses high pressure to separate components more efficiently.
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What is the principle of chromatography and can you give an example of different chromatography methods?
Chromatography is a technique used to separate and analyze complex mixtures based on the differential interactions between the components of the mixture and a stationary phase. The principle of chromatography involves the sample being dissolved in a mobile phase and passed through a stationary phase, where the components of the sample interact differently with the stationary phase, causing them to separate. There are several types of chromatography methods, including gas chromatography (GC), liquid chromatography (LC), and high-performance liquid chromatography (HPLC). In gas chromatography, the mobile phase is a gas, while in liquid chromatography, the mobile phase is a liquid. High-performance liquid chromatography is a more advanced form of liquid chromatography that uses high pressure to separate components more efficiently.
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How can one explain chromatography in kindergarten?
Chromatography can be explained in kindergarten by using simple language and visuals. One way to explain it is by comparing it to how colors separate when they mix in water. Children can be shown how different colors in markers or food coloring separate and spread out on a paper strip when placed in water. This can help them understand that chromatography is a process that separates different colors or substances based on how fast they move through a material. Overall, using hands-on activities and simple explanations can make chromatography understandable and engaging for kindergarteners.
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How does the chromatography of leaf pigments work?
Chromatography of leaf pigments works by separating the different pigments present in a leaf based on their solubility and molecular size. A small piece of leaf is crushed and placed on a chromatography paper, which is then submerged in a solvent. As the solvent moves up the paper, it carries the pigments along with it at different rates, causing the pigments to separate into distinct bands. This separation occurs because each pigment interacts differently with the solvent and the paper, allowing for the identification and analysis of the different pigments present in the leaf.
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