Comparison of Porapak and Chromosorb Porous Polymers

Monitoring of volatiles: A technique for detection of soft rot (Erwinia carotovora) in potato tubers

“…An electronic integrator was used to determine peak areas. Tenta tive identification of chromatogram peaks was based on comparison of peak retention indices with injected standards and with published retention indices for Porapak P columns (3,11).…”