Time scales for gas-particle partitioning equilibration of secondary organic aerosol formed from alpha-pinene ozonolysis

R Saleh, NM Donahue… - Environmental science & …, 2013 - ACS Publications
Most chemical transport models assume instantaneous equilibrium to represent gas-particle
partitioning of semivolatile organic aerosol. This approach has been challenged by recent …

Particle size distribution dynamics can help constrain the phase state of secondary organic aerosol

Y He, A Akherati, T Nah, NL Ng… - Environmental …, 2021 - ACS Publications
Particle phase state is a property of atmospheric aerosols that has important implications for
the formation, evolution, and gas/particle partitioning of secondary organic aerosol (SOA). In …

Exploring divergent volatility properties from yield and thermodenuder measurements of secondary organic aerosol from α-pinene ozonolysis

PK Saha, AP Grieshop - Environmental Science & Technology, 2016 - ACS Publications
There are large uncertainties in the parameters dictating the gas-particle partitioning of
secondary organic aerosols (SOA), although this process has major influences on their …

Is the gas‐particle partitioning in alpha‐pinene secondary organic aerosol reversible?

AP Grieshop, NM Donahue… - Geophysical Research …, 2007 - Wiley Online Library
This paper discusses the reversibility of gas‐particle partitioning in secondary organic
aerosol (SOA) formed from α‐pinene ozonolysis in a smog chamber. Previously, phase …

Evaporation kinetics and phase of laboratory and ambient secondary organic aerosol

TD Vaden, D Imre, J Beránek… - Proceedings of the …, 2011 - National Acad Sciences
Field measurements of secondary organic aerosol (SOA) find significantly higher mass
loads than predicted by models, sparking intense effort focused on finding additional SOA …

[HTML][HTML] Timescales of secondary organic aerosols to reach equilibrium at various temperatures and relative humidities

Y Li, M Shiraiwa - Atmospheric Chemistry and Physics, 2019 - acp.copernicus.org
Secondary organic aerosols (SOA) account for a substantial fraction of air particulate matter,
and SOA formation is often modeled assuming rapid establishment of gas–particle …

Direct measurements of semi-volatile organic compound dynamics show near-unity mass accommodation coefficients for diverse aerosols

X Liu, DA Day, JE Krechmer, W Brown… - Communications …, 2019 - nature.com
The partitioning of low-and semi-volatile organic compounds into and out of particles
significantly influences secondary organic aerosol formation and evolution. Most …

Factors controlling the evaporation of secondary organic aerosol from α‐pinene ozonolysis

T Yli‐Juuti, A Pajunoja, OP Tikkanen… - Geophysical …, 2017 - Wiley Online Library
Secondary organic aerosols (SOA) forms a major fraction of organic aerosols in the
atmosphere. Knowledge of SOA properties that affect their dynamics in the atmosphere is …

Photochemical aging alters secondary organic aerosol partitioning behavior

JE Shilling, MA Zawadowicz, J Liu… - ACS Earth and Space …, 2019 - ACS Publications
Organic aerosol is the largest fraction of the atmospheric nonrefractory aerosol mass and
has a significant impact on climate, visibility, and human health. A significant portion of …

Equilibration timescale of atmospheric secondary organic aerosol partitioning

M Shiraiwa, JH Seinfeld - Geophysical Research Letters, 2012 - Wiley Online Library
Secondary organic aerosol (SOA) formed from partitioning of oxidation products of
anthropogenic and biogenic volatile organic compounds (VOCs) accounts for a substantial …