Dimethylbenzene:
Separation of Para- and Meta-Xylene on Capillary GC Column
Analysed on PEG 25M and FFAP g.c. columns. using a flame ionisation detector with N,N-dimethyl-. formamide as an internal standard.
Column Temp: 90 ℃, Constant.
Inlet / Detector Temp: 250℃.
Run time: 10 min.
Chromatogram: p- isomer comes first, then m- isomer later, o-isomer last.,
p-Xylene | m-Xylene | o-Xylene |
Adopted from EPA Method 624