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Data · dataset · 2026

ICARUS Chamber Experiment: Nguyen Group_20210128_ALPHA-PINENE/Dinitrogen pentoxide_Nitrate radical_Ammonium sulfate

Listed in National Center for Atmospheric Research

Goals: To quantify gas-phase product yields and the SOA yield from nighttime RO2+RO2- and RO2+NO3-dominated NO3-initiated chemistry of a-pinene using N2O5.

Description

This experiment in particular targeted RO2 + NO3 chemistry by using a high N2O5/pinene ratio. Summary: a-pinene and seed aerosol were injected into the chamber and allowed to mix, followed by N2O5, which quickly dissociated to NO2 and NO3. a-pinene decayed rapidly by reaction with NO3.

Gas phase was monitored by CF3O- CIMS and particle formation by SMPS. After all injections, a DNPH cartridge was collected for offline HRMS analysis. Organization: Nguyen Group Lab Affiliation: UC Davis Chamber: Tran's big bag of air Experiment Category: Gas phase chemical reaction, Aerosol formation Oxidant: Nitrate radical Reactants: ALPHA-PINENE, Dinitrogen pentoxide Reaction Type: Dark oxidation Relative Humidity: 5 Temperature: 22 Seed Name: Ammonium sulfate Pressure: 755 Torr

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Provenance · 1 source records, 10 field assertions
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National Center for Atmospheric Researchc806422f-b206-4fa4-bca7-80c25774814610 d agoJSON v1
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concepts[field].local:field:chemistrymapping · data ucar educonnector:data_ucar_edu@1.0.0
concepts[field].local:field:earth-environmentalmapping · data ucar educonnector:data_ucar_edu@1.0.0
concepts[field].local:field:life-sciencesmapping · data ucar educonnector:data_ucar_edu@1.0.0
concepts[field].local:field:ocean-atmosphericmapping · data ucar educonnector:data_ucar_edu@1.0.0
concepts[field].local:field:social-sciencemapping · data ucar educonnector:data_ucar_edu@1.0.0
created_datesource · data ucar educonnector:data_ucar_edu@1.0.0
descriptionsource · data ucar educonnector:data_ucar_edu@1.0.0/notes
publication_datesource · data ucar educonnector:data_ucar_edu@1.0.0
titlesource · data ucar educonnector:data_ucar_edu@1.0.0/title
updated_datesource · data ucar educonnector:data_ucar_edu@1.0.0