John W. Dolan | Authors

John Dolan has been writing "LC Troubleshooting" for LCGC for over 20 years. One of the industry's most respected professionals, John is currently the Vice President of BASi Northwest Laboratory, McMinnville, Oregon and a principal instructor for LC Resources, Walnut Creek, California. He is also a member of LCGC's editorial advisory board.

Articles

LCGC Europe

All’s Well That Ends Well

In his final column before retirement, John Dolan reminisces about his years as the author of “LC Troubleshooting”, and some of the changes that have taken place in liquid chromatography (LC) technology during that time.

LCGC Asia Pacific

How to Take Maximum Advantage of Column-Type Selectivity

How do non-alkylsilica columns provide us an additional dimension of column selectivity?

LCGC Europe

How to Take Maximum Advantage of Column-Type Selectivity

How do non-alkylsilica columns provide us an additional dimension of column selectivity?

LCGC North America

How to Take Maximum Advantage of Column-Type Selectivity

When developing or modifying an LC separation, a common strategy is to change selectivity by choosing a new column. Here’s guidance for making that selection.

LCGC Europe

Method Adjustment for Gradient Elution

You have to be careful to avoid unwanted results when adjusting gradient conditions.

LCGC North America

Method Adjustment for Gradient Elution

You have to be careful when adjusting gradient conditions.