retention changes | LCTSBIBLE.COM

2016-1. Detective Work, Part III: Strong Retention and Chemical Problems with the Column

January 1, 2016

Strongly retained sample compounds can caus various changes in the appearance of a chromatogram. LCGC 34(1) 20-25 (2016) John W. Dolan Errata: Note that there was a transposition error in this and two associated articles. In the referenced table, the words “Symptom” and “Cause” have been reversed. That is, “Cause” […]

2013-9. Variable Retention Times – A Case Study

September 1, 2013

How do you identify the cause of unstable retention times? LCGC 31(9) 778-783 (2013) Katerina Naumoska, Alen Albreht, Irena Vovk, and John W. Dolan

2004-12. Retention Time Changes

December 1, 2004

Changes in retention time can be a key to tracking down LC problems. LCGC 22(12) 1154-1158 (2004) John W. Dolan

1988-1. More on Solvents

January 1, 1988

Readers’ Questions LCGC 6(1) 20-22 (1988) John W. Dolan

1983-1. An HPLC Troubleshooting Guide

January 1, 1983

Noisy baselines ruining your sleep? Negative peaks got your down? Here’s what to do. LCGC 1(1) 10-16 (1983) Dennis J. Runser