dichotomous sampler

Device for dividing a polydispersed @A00176@ particle population into two size fractions during sampling. The fractionation is based on the @M04007@ differences of the particles which allow the larger particles to pass through a zone of stagnant gas.
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2212 [Terms] [Paper]