906 resources found

Goals: Dark-oxidation of b-caryophyllene with the existence of O3, isoprene and 2-butanol under black lights Summary: Targets: b-cary 5ppb O3 300ppb isoprene 0.25ppm 2-butanol...

Goals: Photo-oxidation of ethylene with the existence of NO and Toluene Summary: Targets: ethylene 1ppm, NO 15ppb (both), toluene 300 ppb (A) INSTRUMENTS: GC1,2, SMPS, CEAS...

Goals: Investigate vapor-wall loss rates of alkanes of m-, o-xylene, C8OH, and C9OH at RH = 5% Summary: Obtained temporal profiles of four compounds with GC-FID Organization:...

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

Goals: Measure SOA yield of D5 Summary: This is the set of experiments performed with D5 where the RH was adjusted so that O3 made variable OH concentrations. This is half of...

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...

A new configuration of the Community Earth System Model (CESM)/Community Atmosphere Model with full chemistry (CAM-chem) supporting the capability of horizontal mesh refinement...

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

Goals: To calculate SOA yield from Cl-initiated photo-oxidation of isoprene at a VOC:Cl2 ratio of 0.80, and using acidic seed. Cl2 was injected continuously during lights-on...

Goals: Prepare SOA for ROS measurements Summary: SOA was prepared and then collected for offline analysis Organization: Nizkorodov Lab Lab Affiliation: University of California,...

Goals: generate naphthalene SOA for cellular ROS assay Summary: 550 ppb naphthalene injected and use HONO as the source of OH radical Organization: Ng Research Group Lab...

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

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 with blacklights on in the last hour Summary: Atomizeing 0.04M Asmonia Sulfate INSTRUMENTS: Dual SMPS Organization: UCR-CECERT-APL-Cocker Group Lab...

Goals: Oxidize D3 using Cl2 as the oxidant precursor to promote RO2 radical isomerizaion/autooxidation reactions. Summary: The difunctional product, the formate ester +...

Goals: Prepare SOA for ROS measurements Summary: SOA was prepared and then collected for offline analysis Organization: Nizkorodov Lab Lab Affiliation: University of California,...

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: Oxidized D5 using Cl2 as the radical precursor to encourage RO2 isomerization/isomerization reactions. Summary: We generally saw the same products as when other oxidants...