A Photoionization Detector (PID) consists of an ultraviolet (UV) lamp of a specific energy and an ionization chamber. Compounds passing through the chamber are excited by photons of UV energy and ionized according to the following equation:
A Photoionization Detector (PID) consists of an ultraviolet (UV) lamp of a specific energyand an ionization chamber. Compounds passing through the chamber are excited by photonsof UV energy and ionized according to the following equation: