Chromatography Forum

Howdy,

I'm working on some homework, and I was wondering if anyone here knew exactly how a liquid OR a SOLID sample is converted to a gas to be analyzed in GC? I figure that a liquid is converted to a gas via flash evaporation (hot injection port)...it is vaporized and then carried into the column by the carrier gas (helium). But can a solid sample be converted to a gas?

Thank you so much,

AggieGirl

Yes, solid samples, if they're small enough molecular weight, will quickly melt and vaporize, and be amenable to GC assay. Examples would include chloroxylenol, BHT.