906 resources found

Goals: This is similar to the 130410 experiment except that H2O2 is atomized with ammonium sulfate in the particles. IEPOX was introduced to hydrated ammonium sulfate at 50% RH,...

Goals: PM Wall loss without blacklights Summary: Atomizeing 0.03M Asmonia Sulfate INSTRUMENTS: Dual SMPS Organization: UCR-CECERT-APL-Cocker Group Lab Affiliation: University of...

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

Goals: Generate SOA for health study. Summary: ISO+H2O2, photooxidation under dry condition. Organization: Ng Research Group Lab Affiliation: Georgia Institute of Technology...

Goals: Diesel photo-oxidation under NOx and SOA surrogate -- Control Summary: 1.1ppmc surrogate +50ppb NOx +150ul (shell) diesel+1ppmc H2O2 INSTRUMENTS: AMS, SMPS, GC1, HTDMA...

Goals: Photo-oxidation of o-ethyltoluene with NO under black lights Summary: Targets: o-ethyltoluene 100 ppb(both) NO 20ppb (west) 40ppb (east) INSTRUMENTS: GC, SMPS, AMS,...

Climatology of global aerosol properties calculated based on new volcanic emissions database combined with other non-volcanic emissions of sulfur sources.

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: Observing OH-initiated m-xylene reactions under SOA surrogate and NOx environment. Summary: Target: 1.1 ppmC SOA surrogate, 25 ppb Nox, 1 ppm H2O2, 25 ppb m-xylene(A)...

Goals: Photo-oxidation of isoprene with OH under black lights Summary: Targets: isoprene 0.250 ppm both H2O2 3 ppm West 1.5 ppm East INSTRUMENTS: GC, SMPS, AMS, VTDMA, KANOMAX,...

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...

Goals: To characterize particulate organic nitrate generated from photooxidation of a-pinene in moderate NO level and to understand its hydrolysis process. Summary: SOA...

This data set include the simulated percentage difference of O to N2 column density ratio between DOY 111 and 110 (Figure 3 of paper), and the absolute difference of neutral...

Goals: Determine products of ethyl formate oxidation in the atmosphere. Specifically, investigate atmospheric fate of HC(O)OCH(O.)CH3 radical. Summary: Photolyze Cl2/ethyl...

Goals: Oxidize D3 using HONO as the oxidant precursor to promote RO2 radical reactions with NO. Summary: The formate ester was the largest product detected, though many products...

Goals: Oxidize D3 using H2O2 as the oxidant precursor to promote RO2 radical reactions with HO2. Summary: The formate ester was the largest product detected, though many...

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: Prepare NAP SOA at 80 RH, with low NOx, and without NH3 Summary: Prepare NAP SOA at 80 RH, with low NOx, and without NH3 Organization: Nizkorodov Lab Lab Affiliation:...

Goals: PM Wall loss without blacklights Summary: Target: 0.5 mol/L (NH4)2SO4 to 10,000 /cm3 INSTRUMENTS: Dual SMPS Organization: UCR-CECERT-APL-Cocker Group Lab Affiliation:...

Goals: Measure SOA yield of D5 Summary: Performed in the Caltech Near Bag, no NOx, low Y Organization: Caltech Atmospheric Chamber Lab Affiliation: California Institute of...