GC-MS determination of stale aldehydes in beer by SPME on-fiber derivatization

In this application note from CTC Analytics, learn more about the determination of stale aldehydes in beer such as 2-methyl-propionaldehyde by solid phase microextraction (SPME)/GC-MS. The method explored in this application note is based on the SPME extraction with PFHBA an on-fiber derivatization reagent.