John W. Dolan's Books

Introduction to Modern Liquid Chromatography

By: Lloyd R. Snyder,Joseph J. Kirkland,John W. Dolan

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Introduction to Modern Liquid Chromatography

By: Lloyd R. Snyder,Joseph J. Kirkland,John W. Dolan

The latest edition of the authoritative reference to HPLC High-performance liquid chromatography (HPLC) is today the leading technique for chemical analysis and related applications, with an ability to separate, analyze, and/or purify virtually any sample. Snyder and Kirkland's Introduction to Modern Liquid Chromatography has long represented the premier reference to HPLC. This Third Edition, with John Dolan as added coauthor, addresses important improvements in columns and equipment, as well as major advances in our understanding of HPLC separation, our ability to solve problems that were troublesome in the past, and the application of HPLC for new kinds of samples. This carefully considered Third Edition maintains the strengths of the previous edition while significantly modifying its organization in light of recent research and experience. The text begins by introducing the reader to HPLC, its use in relation to other modern separation techniques, and its history, then leads into such specific topics as: The basis of HPLC separation and the general effects of different experimental conditions Equipment and detection The column—the "heart" of the HPLC system Reversed-phase separation, normal-phase chromatography, gradient elution, two-dimensional separation, and other techniques Computer simulation, qualitative and quantitative analysis, and method validation and quality control The separation of large molecules, including both biological and synthetic polymers Chiral separations, preparative separations, and sample preparation Systematic development of HPLC separations—new to this edition Troubleshooting tricks, techniques, and case studies for both equipment and chromatograms Designed to fulfill the needs of the full range of HPLC users, from novices to experts, Introduction to Modern Liquid Chromatography, Third Edition offers the most up-to-date, comprehensive, and accessible survey of HPLC methods and applications available.

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831

Publisher

John Wiley & Sons

Published Date

ISBN 10

1118210395

ISBN 13

9781118210390

High-Performance Gradient Elution

The Practical Application of the Linear-Solvent-Strength Model

By: Lloyd R. Snyder,John W. Dolan

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High-Performance Gradient Elution

The Practical Application of the Linear-Solvent-Strength Model

By: Lloyd R. Snyder,John W. Dolan

Gradient elution demystified Of the various ways in which chromatography is applied today, few have been as misunderstood as the technique of gradient elution, which presents many challenges compared to isocratic separation. When properly explained, however, gradient elution can be less difficult to understand and much easier to use than often assumed. Written by two well-known authorities in liquid chromatography, High-Performance Gradient Elution: The Practical Application of the Linear-Solvent-Strength Model takes the mystery out of the practice of gradient elution and helps remove barriers to the practical application of this important separation technique. The book presents a systematic approach to the current understanding of gradient elution, describing theory, methodology, and applications across many of the fields that use liquid chromatography as a primary analytical tool. This up-to-date, practical, and comprehensive treatment of gradient elution: * Provides specific, step-by-step recommendations for developing a gradient separation for any sample * Describes the best approach for troubleshooting problems with gradient methods * Guides the reader on the equipment used for gradient elution * Lists which conditions should be varied first during method development, and explains how to interpret scouting gradients * Explains how to avoid problems in transferring gradient methods With a focus on the use of linear solvent strength (LSS) theory for predicting gradient LC behavior and separations by reversed-phase HPLC, High-Performance Gradient Elution gives every chromatographer access to this useful tool.

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Page Count

496

Publisher

John Wiley & Sons

Published Date

ISBN 10

0470055510

ISBN 13

9780470055519

Troubleshooting LC Systems

A Comprehensive Approach to Troubleshooting LC Equipment and Separations

By: John W. Dolan,Lloyd R. Snyder

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Troubleshooting LC Systems

A Comprehensive Approach to Troubleshooting LC Equipment and Separations

By: John W. Dolan,Lloyd R. Snyder

Over the last 15 years, high-performance liquid chromatogra phy (LC) has made the transition from an instrument used only by experts in research labs to a tool used for routine applications by relatively unskilled workers. With this transition have come in instrumentation and column technology. In major advances the past, the operator had to be a jack-of-all-trades, with a screw driver, soldering iron, and various wrenches as constant compan ions in the LC lab. Today, many instruments contain micropro cessors as powerful as those of mainframe computers of earlier days. With this technology has come a variety of self-diagnostic tools that allow the LC system to locate many of its own prob lems. Traditionally, well-honed LC troubleshooting skills have been a result of years of work at the bench. Today the LC system itself often can do a better job of troubleshooting than the operator can. Yet many of the problems of the past are still the major problems of today: air bubbles, check valves, detector lamps, and, of course, problems with the separation. An added pressure on the operator of today's LC system is that of productivity-the lab often cannot afford unnecessary downtime. This means that the operator has to be a troubleshooting expert, or has to have that expertise at his or her fingertips. The present book was written to provide this expertise in an easy-to-use format for users at all levels of experience.

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Page Count

518

Publisher

Springer Science & Business Media

Published Date

ISBN 10

1592596401

ISBN 13

9781592596409

A Government of Wolves

The Emerging American Police State

By: John W. Whitehead

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A Government of Wolves

The Emerging American Police State

By: John W. Whitehead

“A NATION OF SHEEP WILL BEGET A GOVERNMENT OF WOLVES”–EDWARD R. MURROW America is fast moving into a state of lockdown. Surveillance cameras, drug-sniffing dogs, SWAT team raids, roadside strip searches, blood draws at DUI checkpoints, mosquito drones, tasers, privatized prisons, GPS tracking devices, zero tolerance policies, overcriminalization, free speech zones—these are all symptoms of the emerging police state in America. A GOVERNMENT OF WOLVES paints a chilling portrait of a nation in the final stages of transformation into outright authoritarianism, whose citizens have become little more than a nation of suspects to be cowed, corralled, and controlled. Pulling from his extensive knowledge of constitutional law, history, and futuristic films, John W. Whitehead helps readers navigate this treacherous terrain and provides them with a blueprint for hopefully finding their way back to freedom.

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Page Count

404

Publisher

SelectBooks, Inc.

Published Date

ISBN 10

1590799836

ISBN 13

9781590799833

Introduction to Modern Liquid Chromatography

By: Lloyd R. Snyder,Joseph J. Kirkland,John W. Dolan

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Introduction to Modern Liquid Chromatography

By: Lloyd R. Snyder,Joseph J. Kirkland,John W. Dolan

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Solve jigsaw puzzle

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831

Publisher

John Wiley & Sons

Published Date

ISBN 10

1118210395

ISBN 13

9781118210390

Book's by John W. Dolan

Introduction to Modern Liquid Chromatography

Introduction to Modern Liquid Chromatography

High-Performance Gradient Elution

High-Performance Gradient Elution

Troubleshooting LC Systems

Troubleshooting LC Systems

A Government of Wolves

A Government of Wolves

Introduction to Modern Liquid Chromatography

Introduction to Modern Liquid Chromatography

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