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Data · dataset · 2026

ICARUS Chamber Experiment: Jimenez Lab_20171018_1-Hexanol/1-octanol/1-Nonanol/1-DECANOL/Methyl nitrite/nitric oxide/1-DODECANOL_Hydroxyl radical_Pentaethylene Glycol_7.85_ug/m3_PEG2

Listed in National Center for Atmospheric Research

Goals: Fast burst photooxidation of alkanols (high-NOx).

Description

Gas-aerosol-wall partitioning kinetics. Determine accommodation coefficient (alpha) and effective volatility under differing seed aerosol types (differing phase and polarities, inorganic/organic, humid/dry, standards/SOA).

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Alkanols, Methyl nitrite, NO, and particle seed added to chamber, UV lights turned on for 10 sec, multifunctional products formed. In most experiments in this experimental set, 10-second UV light/photochemistry burst repeated a few times. SMPS measurements of particle size distributions were conducted to determine particle formation, surface area and condensational sink rate coefficients.

Gas-phase chemical species were measured with nitrate CIMS. Organization: Jimenez Lab Lab Affiliation: University of Colorado, Boulder Chamber: 1-White (1W) Experiment Category: Volatility and partitioning Oxidant: Hydroxyl radical Reactants: 1-Hexanol, 1-octanol, 1-Nonanol, 1-DECANOL, Methyl nitrite, nitric oxide, 1-DODECANOL Reaction Type: Photooxidation Relative Humidity: < 1 Temperature: 25 Seed Name: Pentaethylene Glycol

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