There is a general purpose GC (Agilent 7890 B) with FID and TCD detectors, HP5 column and S/SL inlet in our Lab. i wanted to know whether it is possible to transform it to a TOGA-GC (for analysis of H2,O2,CO,CO2 and C1-C3) system. if yes, which parts (sampler,column,etc) are necessary to be added?