Secondary Organic Aerosol Formation and Organic Nitrate Yield from NO3 Oxidation of Biogenic Hydrocarbons

The secondary organic aerosol (SOA) mass yields from NO3 oxidation of a series of biogenic volatile organic compounds (BVOCs), consisting of five monoterpenes and one sesquiterpene (α-pinene, β-pinene, Δ-3-carene, limonene, sabinene, and β-caryophyllene), were investigated in a series of continuous...

Full description

Saved in:
Bibliographic Details
Published in:Environmental science & technology 2014-10, Vol.48 (20), p.11944-11953
Main Authors: Fry, Juliane L, Draper, Danielle C, Barsanti, Kelley C, Smith, James N, Ortega, John, Winkler, Paul M, Lawler, Michael J, Brown, Steven S, Edwards, Peter M, Cohen, Ronald C, Lee, Lance
Format: Article
Language:English
Subjects:
Aerosols - chemistry
Air Pollutants - analysis
Air Pollutants - chemistry
Applied sciences
Atmospheric pollution
Bridged Bicyclo Compounds - chemistry
Cyclohexenes - chemistry
Earth, ocean, space
Exact sciences and technology
External geophysics
Kinetics
Limonene
Meteorology
Monoterpenes - chemistry
Nitrates - chemistry
Particles and aerosols
Pollutants physicochemistry study: properties, effects, reactions, transport and distribution
Pollution
Sesquiterpenes - chemistry
Terpenes - chemistry
Volatile Organic Compounds - chemistry
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The secondary organic aerosol (SOA) mass yields from NO3 oxidation of a series of biogenic volatile organic compounds (BVOCs), consisting of five monoterpenes and one sesquiterpene (α-pinene, β-pinene, Δ-3-carene, limonene, sabinene, and β-caryophyllene), were investigated in a series of continuous flow experiments in a 10 m3 indoor Teflon chamber. By making in situ measurements of the nitrate radical and employing a kinetics box model, we generate time-dependent yield curves as a function of reacted BVOC. SOA yields varied dramatically among the different BVOCs, from zero for α-pinene to 38–65% for Δ-3-carene and 86% for β-caryophyllene at mass loading of 10 μg m–3, suggesting that model mechanisms that treat all NO3 + monoterpene reactions equally will lead to errors in predicted SOA depending on each location’s mix of BVOC emissions. In most cases, organonitrate is a dominant component of the aerosol produced, but in the case of α-pinene, little organonitrate and no aerosol is formed.
ISSN:0013-936X
1520-5851
DOI:10.1021/es502204x