Evolution of α-pinene oxidation products in the presence of varying oxidizers: Negative APi-TOF point of view

Arnaud P. Praplan, Siegfried Schobesberger, Heikki Junninen, Matti Rissanen, Nina Sarnela, Tujia Jokinen, Alessandro Franchin, Jonathan Duplissy, Mikko Sipilä, Mikael Ehn, Tuukka Petäjä, Douglas R. Worsnop, Markku Kulmala

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

Abstract

Laboratory experiments conducted in the frame of the CLOUD project at CERN investigated the oxidation of α-pinene oxidation products in a carefully controlled environment and with different oxidation conditions: 1) pure ozonolysis (with the use of an hydroxyl radical (sOH) scavenger), 2) ozonolysis without use of a scavenger, and 3) pure sOH oxidation using nitrous acid (HONO) to produce sOH. The anions and negatively charged clusters present in the chamber were analyzed and their chemical composition compared for the different oxidation pathways.

Original languageEnglish
Title of host publicationNucleation and Atmospheric Aerosols - 19th International Conference
Pages367-370
Number of pages4
DOIs
StatePublished - 2013
Event19th International Conference on Nucleation and Atmospheric Aerosols, ICNAA 2013 - Fort Collins, CO, United States
Duration: Jun 23 2013Jun 28 2013

Publication series

NameAIP Conference Proceedings
Volume1527
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference19th International Conference on Nucleation and Atmospheric Aerosols, ICNAA 2013
Country/TerritoryUnited States
CityFort Collins, CO
Period06/23/1306/28/13

Keywords

  • APi-TOF
  • a-pinene
  • atmospheric nucleation
  • chamber experiments
  • charged clusters
  • hydroxyl radicals
  • ozonolysis

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