Articles by John W. Dolan - Chromatography Online
Articles by John W. Dolan

John W. Dolan

"LC Troubleshooting" Editor

John Dolan has been writing "LC Troubleshooting" for LCGC for over 25 years. One of the industry's most respected professionals, John is currently a principal instructor for LC Resources, Walnut Creek, California He is also a member of LCGC's editorial advisory board.

Articles
Problems with Large-Molecule Separations
April 1, 2014

Some attributes of large molecules make them behave differently from small molecules in reversed-phase separations.

Problems with Large-Molecule Separations
April 1, 2014

Some attributes of large molecules make them behave differently from small molecules in reversed-phase separations.

LC Method Scaling, Part II: Gradient Separations
March 1, 2014

If scaling isocratic separations is so simple, why is gradient scaling so confusing?

Column Dead Time as a Diagnostic Tool
March 1, 2014

What good is that big, ugly peak at the beginning of the chromatogram?

LC Method Scaling, Part II: Gradient Separations
March 1, 2014

If scaling isocratic separations is so simple, why is gradient scaling so confusing?

LC Method Scaling, Part I: Isocratic Separations
February 1, 2014

What kind of adjustments need to be made when scaling an isocratic method?

LC Method Scaling, Part I: Isocratic Separations
February 1, 2014

What kind of adjustments need to be made when scaling an isocratic method?

Column Dead Time as a Diagnostic Tool
January 14, 2014

What good is that big, ugly peak at the beginning of the chromatogram?

Column Dead Time as a Diagnostic Tool
January 1, 2014

What good is that big, ugly peak at the beginning of the chromatogram?

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LCGC COLUMNISTS 2014

Sample Prep Perspectives | Ronald E. Majors:

LCGC Columnist Ron Majors, established authority on new column technologies, keeps readers up-to-date with new sample preparation trends in all branches of chromatography and reviews developments in existing technology lines.

LATEST: The Role of Selectivity in Extractions: A Case Study

History of Chromatography | Industry Veterans:

With each installment of this column, a different industry veteran covers an aspect of the evolution and continued development of the science of chromatography, from its birth to its eventual growth into the high-powered industry we see today.

LATEST: Georges Guiochon: Separation Science Innovator

MS — The Practical Art| Kate Yu:
Kate Yu is the editor of 'MS-The Practical Art' bringing her expertise in the field of mass spectrometry and hyphenated techniques to the pages of LCGC. In this column she examines the mass spectrometric side of coupled liquid and gas-phase systems. Troubleshooting-style articles provide readers with invaluable advice for getting the most from their mass spectrometers.

LATEST: Mass Spectrometry for Natural Products Research: Challenges, Pitfalls, and Opportunities


LC Troubleshooting | John Dolan:

LC Troubleshooting sets about making HPLC methods easier to master. By covering the basics of liquid chromatography separations and instrumentation, John Dolan, Vice President of LC Resources and world renowned expert on HPLC, is able to highlight common problems and provide remedies for them.

LATEST: LC Method Scaling, Part I: Isocratic Separations

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