Front Tailing HPLC & GC Peaks

Front Tailing HPLC & GC Peaks

What are fronted tailing peaks in HPLC and GC?  Why do they occur in your chromatogram?  How can you reduce them and do better chromatography? Before I talk about front tailing HPLC peaks, aka peak fronting, let’s differentiate peak fronting with peak...
HPLC Peak Tailing

HPLC Peak Tailing

Peak tailing is one of the biggest problems in chromatography. Unfortunately, peaks tail in HPLC.  We don’t want them to tail.  In theory we like to think of peaks as Gaussian shaped and perfectly symmetrical, but in reality just about everything in...
How To Choose An HPLC Column (Video)

How To Choose An HPLC Column (Video)

Register for my free, on-demand HPLC method development webinar. Need help choosing the right HPLC column? “How do I choose the right HPLC column?” It seems like a tough question and I hear it often. But don’t worry! I’ve been teaching...
How to Select a Buffer for your HPLC Mobile Phase?

How to Select a Buffer for your HPLC Mobile Phase?

There is a lot that goes into answering this question.   I usually give an hour-long lecture on the role of pH and buffers in HPLC mobile phases during my hands-on HPLC courses. So first let me give you a big picture view and then dive into the most...