Several variables can be used to change selectivity in a liquid chromatography (LC) separation. Here we compare the variables in an effort to prioritize which experiments will be most effective. LCGC 35(5) 306-311 (2017) John W. Dolan See also 2017-3 and 2017-4 for remaining articles in this series.
Read More →The mobile-phase pH can be a powerful tool to control retention and selectivity, but it can also get you in trouble if it is not controlled properly. LCGC 35(1) 22-28 (2017) John W. Dolan
Read More →Can anything be done to correct for baseline drift in gradient separations? LCGC 31(7) 538-543 (2013) John W. Dolan
Read More →Some tips for transferring a validated liquid chromatography method from one laboratory to another. LCGC 22(6) 524-528 (2004) John W. Dolan
Read More →Gradient baselines don’t always behave as desired LCGC 19(6) 590-594 (2001) Nan S. Wilson, Ryan Morrison, and John W. Dolan
Read More →A reader complains of leaks and short pump seal life. LCGC 13(7) 530-532 (1995) John W. Dolan
Read More →Sometimes, precisely following the instructions may not be enough to get someone else’s method to work in your laboratory. LCGC 9(2) 88-92 (1991) John W. Dolan
Read More →It’s only chemistry LCGC 8(3) 212-215 (1990) John W. Dolan
Read More →Readers’ Questions LCGC 6(1) 20-22 (1988) John W. Dolan
Read More →Readers’ Questions and Input LCGC 5(10) 874-878 (1987) John W. Dolan
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