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Tag: column collapse


2016-2. Detective Work, Part IV: Chemical Problems with the Column — Chemical Attack

February 1, 2016

The silica-based packing in reversed-phase columns is not inert. Here we consider what happens when the mobile-phase pH is too high or too low. LCGC 34(2) 106-113 (2016) John W. Dolan

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2013-12. Peak Fronting . . . Some of the Time

December 1, 2013

Why do some peaks front and others don’t in the same method? LCGC 31(12) 992-997 (2013) John W. Dolan

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2012-7. Troubleshooting Basics, Part IV: Peak Shape Problems

July 1, 2012

What do you do when the peak shape changes? LCGC 30(7) 564-569 (2012) John W. Dolan Erratum: see 30(5)

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2008-7. Peak Shape Problems

July 1, 2008

What causes split or fronting peaks? LCGC 26(7) 610-616 (2008) John W. Dolan

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