Column: LC Troubleshooting

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

12 3 4 5 6 7 8 9 10 11 12

LC Troubleshooting Strategies

December 1, 2009
By:John W. Dolan

John Dolan looks at ways to get to the root of some of the most common problems encountered in the lab.

Column Diameter, Linear Velocity and Efficiency

February 1, 2010
By:John W. Dolan

What can be expected when the column diameter is changed?

Column Diameter, Linear Velocity, and Column Efficiency

February 1, 2010
By: John W. Dolan

John Dolan examines some questions he recently received concerning the changes that took place in the 2009 edition of the United States Pharmacopoeia.

Too Little or Too Much

January 1, 2010
By:John W. Dolan

What to do when a peak is too small or too large

Too Little or Too Much

January 1, 2010
By:John W. Dolan

What should you do when a peak is too small or too large?

Kinetic Plots Made Easy

December 1, 2009
By:Uwe D. Neue

Guest "LC Troubleshooting" columnist Uwe Neue unravels the mysteries surrounding kinetic plots to make them accessible to everyone

Kinetic Plots Made Easy

November 1, 2009
By:Uwe D. Neue

Guest author Uwe Neue develops the principle of kinetic plots from scratch to make them more accessible to a wider audience.

Integration Problems

October 1, 2009
By:John W. Dolan

What's the best way to integrate a peak?

Too Many Changes

October 1, 2009
By:John W. Dolan

Remember the rule of one — change just one thing at a time.

12 3 4 5 6 7 8 9 10 11 12

Columnists

	sponsored by LC Troubleshooting \| John Dolan Column Diameter, Linear Velocity, and Column Efficiency February 1, 2010
	Sample Prep Perspectives \| Ron Majors Electromembrane Extraction: The Use of Electrical Potential for Isolation of Charged Substances from Biological Matrices February 1, 2010
	GC Connections \| John V. Hinshaw Upgrading Gas Chromatography January 1, 2010
	MS \| The Practical Art \| Michael P. Balogh The Nature and Utility of Mass Spectra February 1, 2009
Click here for more Columnists

Multimedia

GPC/SEC Column Selection & Method Development

February 4, 2010

SFC Solutions: The State of the Art

February 4, 2010

Mobile Phase Optimization Strategies for Reversed Phase HPLC: The Essential CHROMacademy Guide

February 4, 2010

Advanced Analysis of Biotherapeutics

January 14, 2010

Split / Splitless Injection: ChromAcademy Guide

January 8, 2010

More Multimedia