Analyze Glycerol by GC without derivatization
Posted: Wed Apr 09, 2008 4:27 pm
I have been using GC liquid injection to analyze impurities in my sample, and found glycerol to be one of the impurities. Quantitaition of glycerol has been a problem for me. There seemed to be a threshold below which I saw no peak and above which I saw big fronting peak. I know glycerol is very polar and it is usually analyzed by GC after derivatization. But I just still wonder if it could be done without derivatization by GC and if so what would be the right column, WAX? Thanks!