2015-9. LC Column Problems Everywhere

No matter where you live or who you work for, you’re likely to encounter one or more of these liquid chromatography (LC) column problems at some point. LCGC 33(9) 694-699 (2015) John W. Dolan

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2006-11. On-Column Sample Degradation

What do you do when the sample changes inside the column? LCGC 24(11) 1184-1190 (2006) Frederic Bell and John W. Dolan Erratum: The axes on Figure 1 were mislabeled. The scale for Figure 1a should be 0 – 3.0 AU and 1b should be 0 – 1.4 AU.

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2003-9. Honoring Readers

Celebrating 20 years of “LC Troubleshooting.” LCGC 21(9) 888-892 (2003) John W. Dolan erratum: note error here. 50% loss in N is not 7% loss in Rs, but 30%. SQRT(0.50) = 0.7 Rs left, so 30% gone.

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