The Mass Spectrometry society of Japan - The 71st Annual Conference on Mass Spectrometry, Japan
Japanese

Abstract

Table of contents

Timetable

Plenary Lecture

Symposium Sessions (Day1, Day2, Day3)

Basic Sessions (Day1, Day2, Day3)

Young Researchers' Sessions (Day1, Day2, Day3)

Poster Presentations (Day1, Day2, Day3)

Special Evening Sessions

Corporate Program

Poster Presentations

Day 1, May 15（Mon.）　　Room P (Foyer, Room 1004-1007)

1P-07（1C-O-1000）　　PDF

Functional group analysis of protonated molecules of α-pinene oxidation products by collision-induced dissociation

(Yokohama City Univ.)
oMinori Fukazawa, Kanako Sekimoto

α-Pinene, one of volatile organic compounds (VOCs), is the most abundant monoterpenes emitted from forests. VOC forms secondary organic aerosols (SOA) through oxidation reaction with ozone (O3), hydroxyl radicals, and NO3 radicals in the atmosphere. SOA affects the radiative balance of the atmosphere. Although potential of SOA formation is known to depend on property of functional groups of monoterpene oxidation products, few of structures of the oxidation products have been identified. Therefore, the process of SOA formation has not yet been solved. In this study, we investigated structure of the oxidation products of α-pinene by using an atmospheric pressure corona discharge ionization (APCDI) in positive-ion mode and collision-induced dissociation (CID). Based on the CID results, we estimate the relationship between functional groups of the oxidation products and fragmentation patterns. We apply this relationship to the analysis of the functional groups of actual α-pinene oxidation products.