COMPARISON BETWEEN THEORETICAL AND EXPERIMENTAL SAM- PLING EFFICIENCIES ON TENAX GC

SUMMARY Breakthrough curves for benzene on the polymeric adsorbent Tenax GC were recorded using a system for direct breakthrough measurement with effluent monitoring. A mathematical model was also designed which allows one to calculate theoretical collection efficiency as a function of sampling volume and number of theoretical plates of the adsorbent tube. Theoretical values correspond to sampling efficiency values derived from experimental breakthrough curves with a correlation coefficient of 0.98499.