2016-10. Reader’s Questions: Gradient Ghost Peaks
Interfering peaks of high baseline background can compromise the results of gradient liquid chromatography (LC) separations. LCGC 34(10) 778-785 (2016) John W. Dolan
Read More →Interfering peaks of high baseline background can compromise the results of gradient liquid chromatography (LC) separations. LCGC 34(10) 778-785 (2016) John W. Dolan
Read More →What do you do when an unexpected peak appears in the chromatogram? LCGC 30(5) 392-400 (2012) John W. Dolan Erratum: (from 30(7), on p 394, the calculation showed that 0.1% x 0.1% = 0.01%, when in fact is should have been 0.1% x 0.1% = 0.0001%
Read More →Ghost peaks can be difficult to eliminate when minor peaks are important in an LC Separation. This case study shows how to isolate the source of such peaks. LCGC 29(5) 394-400 (2011) Silvia Sadikin, Dee Dee Zhang, Roger Inloes, Sanjeev Redkar, and John W. Dolan
Read More →What’s the source of an extra peak in the second injection? LCGC 17(3) 230-234 (1999) Jin Y. Huang, Travis Culey, and John W. Dolan
Read More →When peaks appear in a blank gradient, isolating the problem source can be a challenge LCGC 16(11) 992-996 (1998) Michael D. Nelson and John W. Dolan
Read More →Ghost peaks are one of liquid chromatography’s most aggravating problems LCGC 16(2) 112-118 (1998) Yoshihiro Egi and Atsuro Ueyanagi
Read More →Sometimes HPLC-grade isn’t pure enough. LCGC 14(3) 202-208 (1996) John W. Dolan, John R. Kern, and Travis Culley
Read More →Sometimes you can solve a problem without gaining the satisfaction of understanding its cause. LCGC 10(4) 294-296 (1992) John W. Dolan
Read More →LCGC 6(2) 112-116 (1988) John W. Dolan
Read More →LCGC 5(6) 466-470 (1987) John W. Dolan
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