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
Read More →Where to place the blame when something goes wrong. LCGC 27(9) 816-821 (2009) John W. Dolan
Read More →Two problems submitted this month have one thing in common — unsatisfactory results when ethylparaben was used as an internal standard. LCGC 11(10) 714-716 (1993) John W. Dolan
Read More →When two failures occur at nearly the same time, troubleshooting can be confusing. LCGC 11(5) 344-349 (1993) Daniel H. Marchand, Janice A. Lewis, and John W. Dolan
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