A reader’s problem of a method that fails the repeatability requirement of the system suitability test serves as an example of how to approach liquid chromatography (LC) method troubleshooting. LCGC 34(12) 900-904 (2016) John W. Dolan
Read More →There’s more to the data than you might expect. LCGC28(4) 292-300 (2010) Jennifer Birchett and John W. Dolan
Read More →What measurements are required for system suitability? LCGC 27(2) 120-128 (2009) John W. Dolan
Read More →How does a change in flow rate affect the separation? LCGC 26(1) 30-36 (2008) John W. Dolan
Read More →New in this business? Here are some tips to get started. LCGC 23(10) 1086-1091 (2005) John W. Dolan
Read More →A full measure of tips for reliable gradient methods. LCGC 23(9) 1008-1012 (2005) John W. Dolan
Read More →The author presents a simple isolation technique for identifying problems with LC methods and equipment. LCGC 22(7) 618-622 (2004) John W. Dolan
Read More →But it worked for someone else… LCGC 19(3) 290-296 (2001) Laurie A. Cooley and John W. Dolan
Read More →Several variables can affect autosampler injection precision and may prevent the instrument from passing performance tests LCGC 16(10) 910-914 (1998) John W. Dolan
Read More →Sample overload can be frustrating, but it also can be used to your advantage LCGC 16(5) 442-446 (1998) Nan S. Wilson, John R. Kern, and John W. Dolan
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