APPLICATION OF A MULTISTEP CONDENSATION NUCLEI COUNTER AS A DETECTOR FOR PARTICLE SURFACE COMPOSITION.

R. Niessner, C. Helsper, G. Roenicke

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

A method has been developed which is based on the influence of particle surface on the condensation process. An electrostatic classifier is used to generate a monodisperse aerosol of known electrical mobility diameter. The Kelvin equivalent diameter of this aerosol is then determined using a simple Nolan-Pollak type condensation nuclei counter which has been modified to run automatically through a series of different water vapour supersaturations. The comparison between the Kelvin size and the electrical mobility diameter of these monodisperse particles yields information on the surface structure of the particles.

Original languageEnglish
Title of host publicationUnknown Host Publication Title
PublisherElsevier
Pages63-66
Number of pages4
ISBN (Print)0444009477
StatePublished - 1984
Externally publishedYes

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