Analysis of DMS in CO2 samples using GC 8890B

Hello Mitzy,

I did a quick search and could not find an application note on this subject.  You will need to piece together what column will work best for you depending on what other compounds you expect to see in the CO2 matrix.  Since this is a gas analysis, it is best to inject via gas sample valve to a split inlet.  All of these parts will need to be inert treated to prevent sulfur from sticking to the surface of sample wetted parts.  Sample will flow from the split inlet to the column you choose.  If you use the Agilent Scanview software, a free chromatography database, search dimethyl sulfide you will get many results for potential columns to use.  You can download Scanview at this link for free.   From there you will need to decide which detector you want to use.  This will depend on what detection limits you require.  TCD is a universal detector and could probably get you to a detection limit of 100 ppm.  If you need more specificity you could go to either an SCD, FPD, or MSD.  These conversations will be better handled live.  Please contact your local Agilent Account Manager and they can put you in touch with a local Product Specialist or Application Scientist to help guide you in answering these questions.

All the Best

Shannon Coleman