906 resources found

Goals: Control experiment to quantify the SOA yield from a-pinene ozonolysis to subtract off from the corresponding experiment with NO2 (20190715) so that we can quantify just...

Goals: Determine SOA yield of OH radical oxidation of the VOC Summary: Alkanes were reacted with OH radicals in the presence of NOx in a 5900 L PTFE environmental chamber filled...

Goals: Determine atmospheric photoxidation pathways for ethyl acetate, specifically examine chemistry of CH3CH2C(O)OCH(O.)CH3 radical vs. T and O2 partial pressure Summary:...

Goals: Prepare HUM/O3 SOA for aqueous aging experiments Summary: 600 ppb of O3 and 500 ppb of HUM were introduced into a smog chamber and allowed to react. Two filters of SOA...

Goals: To quantify the nitrooxy-hydroperoxide yield and the SOA yield from nighttime RO2+HO2-dominated NO3-initiated chemistry of a-pinene by adding H2O2 + ozone + NO2 to the...

This dataset include all the data needed for the figures in the main text of JGR paper Investigation of a neutral ‘tongue’ observed by GOLD during the geomagnetic storm on...

Goals: Determine SOA yield of OH radical oxidation of the VOC Summary: Alkanes were reacted with OH radicals in the presence of NOx in a 5900 L PTFE environmental chamber filled...

Goals: Fast burst photooxidation of alkanols (high-NOx). Gas-aerosol-wall partitioning kinetics. Determine accommodation coefficient (alpha) and effective volatility under...

Goals: Photolysis rate constant of a-nitrooxy acetone Summary: Photolysis rate constant of a-nitrooxy acetone Organization: Ng Research Group Lab Affiliation: Georgia Institute...

Goals: Diesel photo-oxidation under NOx and SOA surrogate -- Control Summary: 1.1ppmc surrogate +12.5ppb NOx +150ul (shell) diesel+1ppmc H2O2 INSTRUMENTS: AMS, SMPS, GC1, HTDMA,...

Goals: This experiment is to observe product formation from 1,3-butadiene, which should give symmetrical ozonolysis products Summary: Saw significant CH2OO+H2O products, and...

Goals: Determine atmospheric photoxidation pathways for ethyl acetate, specifically examine chemistry of CH3CH2C(O)OCH(O.)CH3 radical vs. T and O2 partial pressure Summary:...

Goals: We oxidized D4 using HONO as the oxidant precursor to promote RO2 radical reactions with NO. Summary: The siloxanol was the main product formed. Organization: Browne Lab...

Goals: This experiment was performed to study product formation from stabilized Criegee intermediates in the Isoprene + ozone under dry conditions with cyclohexane as an OH...

Goals: Product study on 2-methylbut-3-ene-1,2-diol (1,2-DHI) + OH, trying to target the RO2+RO2 pathway with really high 1,2-DHI loading but the RO2+HO2 pathway still likely...

Goals: Product and SOA formation study on 2-methylbut-3-ene-1,2-diol (1,2-DHI) + OH, using wet (deliquesced) ammonium sulfate seeds at 50% RH. RO2 + HO2 pathway targeted....

The NCAR/ACOM Optical Techniques Project operates three high spectral resolution, solar viewing FTIR instruments at Thule, Greenland (76.5ºN, 291.3ºE, 225 masl), Boulder...

Goals: Observing NO-initiated isoprene reactions under SOA surrogate and NOx environment. Summary: Target: 1.1ppmC SOA surrogate, 25ppb Nox, 50 ppb isoprene (A) INSTRUMENTS:...

Goals: Observing OH-initiated m-xylene reactions under SOA surrogate and NOx environment. Summary: targets: 1.1 ppmC SOA surrogate + 1 ppmc H2O2 + 25 ppb Nox + 100 ppb...

Goals: To quantify SOA yield and gas-phase product yields from humid ozonolysis of camphene, which will serve as a "control" experiment to subtract the ozonolysis contribution...