PERFORMANCE OF FLAME IONIZATION DETECTOR AS ATMOSPHERIC AEROSOL MONITOR .1. CONVENTIONAL MODEL

With a flame ionization detector designed for ambient aerosol monitoring, the output signals from single aerosol particles were examined in a series of high-speed waveform studies which show that additional information regarding particle characterization may be available from the details of the output current pulse. Analytical parameters of this detector were evaluated with high-speed data taken from a variety of aerosols under controlled conditions of size, number concentration, and composition. There was evidence of limited selectivity when the detector was used with parallel plate electrode geometry and a stoichiometric premix air-hydrogen flame.