Equilibrium between H3O+ and NH4+ ions in the flame ionization detector

The time-dependent electric current from a flame II. Theoretical solutions controlled by ionic diffusion

“…An earlier article with this title (Bolton & Gray 1984) concentrated on timedependent solutions controlled by the mobility term in the motion of the ions. I t was a theoretical extension to the experimental studies on flame ions (Bolton & Me William 1971) th a t had given rise to a series of further experiments and studies (Bolton et al 1978;McAllister 1983;McAllister et al 1978;McAllister & Scott 1980;Nicholson 1982;Bolton 1982). The dom inant positive ion was the dynamic hydrated oxonium H 30 +(H20 ) n. A recent experiment has been made by Bolton & Me William (1992) in which the motion of the ions is controlled by diffusion and the experimental results have confirmed the earlier ideas obtained from pure mobility experiments.…”