
In Part 2 of "Conversations with Michael Dong," the LCGC column editor discusses HPLC columns for pharmaceutical analysis and the case for short columns.
Tom Brettell, an associate professor of chemistry at Cedar Crest College, USA, recently conducted a survey of gas chromatography column use in forensic laboratories in the United States. Here is what he found, in terms of the types of columns they are using and the problems they face.





