HPLC Troubleshooting Guide

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hplc Troubleshooting Guide Peak Tailing hplc Columns John Dolan Your decision has lasting effects. Choose wisely. hplc Columns Ultra Inert Base-Deactivated hplc Columns For Performance, Selectivity and Guaranteed Reproducibility . performance ACE guarantee If ACE does not outperform your existing column (of equivalent phase, particle size and dimensions), send in your comparative data within 60. days and keep the ACE column FREE OF CHARGE. hplc Troubleshooting Guide Contents Page Troubleshooting Tables 2. Peak Shape 2. Retention Variation 3. Ghost Peaks 4. Column Backpressure 5. Introduction 6. 1. Peak Shape 6. Peak tailing 6. Insufficient buffer or additive 7. Peak tailing or distortion 8. Poorly resolved peaks 9. Fronting peaks 10. 2. Retention Variation 11. Mobile phase composition changes 11. Column chemistry changes 11. Column temperature changes 12. Flow rate problems 12. Proportioning-valve failures 13.

2 www.ace-hplc.com Quick Reference Tables If you have a problem you need to solve now, use these Troubleshooting Tables. Locate the table for the type of problem you have, find the possible cause and

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