Experiment: Nizkorodov Lab_20210714_alpha-Pinene_Hydroxyl radical_No Seed

Experiment

Name: Nizkorodov Lab_20210714_alpha-Pinene_Hydroxyl radical_No Seed
Date: 2021-07-14

Organization
Nizkorodov Lab

Chamber
Nizkorodov Chamber

Experiment Set
Reactive Oxygen Species formation project

Goals
Prepare SOA for ROS measurements

Summary
SOA was prepared and then collected for offline analysis

Experiment Details

Categories:

  • Aerosol formation
Temperature: 21
Relative Humidity: 40
Seeded Experiment: No
Fuchs Adjusted Surface Area:
Condensation sink rate coefficient: 40
Reaction type:
Oxidant Name: Hydroxyl radical
Initial Oxidant Concentration Value: 6000000 (molecules_per_cubic_centimeter)
RO2 Main Fate: Not Sure
RO2 Lifetime: (Seconds)
Pressure:

Data Sets

ID Instrument File  
4038 O3 Monitor 20210714_O3.csv
4039 NOx Box 20210714_NOx.csv
4104 SMPS 20210714_apin.csv

Data Set plots
Choose a file: Choose the X-Axis:

Experiment Set Details

Name: Reactive Oxygen Species formation project
Time format and units:
Description:
SOA was made from the photooxidation of APIN and naphthalene under high and low NOx conditions to test for reactive oxygen species formation.

Collaborators:

Download

Download this Experiment (16.82 KB)

Contacts

Principal investigator:

Sergey Nizkorodov
E-mail: nizkorod@uci.edu


Data Manager:

Alexandra Klodt
Phone: 6419541844
E-mail: aklodt@uci.edu

Reactant

Reactant Compound type Concentration Concentration units
alpha-Pinene (6654) 500 Parts Per Billion

20220714_timeline.csv Timeline

Time Action
10:00 Turned on Instruments
10:42 Injected H2O2
10:46 Injected Precursor
10:50 Turned on lamps
13:35 Turned off Lamps
13:36 Began collecting for ROS measurements
16:40 Stopped collecting for ROS measurements, started collecting for mass spec sample
21:35 Stopped collecting

Citations
Cite this experiment:

Characterizations
Light Flux Characterizations:
(None)
Particle Loss Characterizations:
(None)
Vapor Loss Characterizations:
(None)

Chamber Details

Name: Nizkorodov Chamber
Volume in cubic meters: 5.6
Shape: Rectangular Prism
Surface area in cubic meters: 20
Flow Mode: Batch
Flow through rate in liters per minute:
Body Material: Teflon
Body thickness: 8
Replacement date: 2014-06-18
Replacement frequency: As needed
Cleaning method: Flushing with air with UV lights on Oxidation
o3 background:
nox background:
Particle background in micrograms per cubic meter:
Air filtration method: FTIR purge air generator
Mixing method: 0
Mixing method material:
Temparature Control: No
Temparature measurements recorded: Yes
Temparature range (min degrees celcius): 22
Temparature range (max degrees celcius): 29
Humidity Control: Yes
Humidity Measurements Recorded: Yes
Relative humidity range (min percent): 0
Relative humidity range (max percent): 100
Particle experiment capability: 1
Lights: Yes
Light source type(s): UVB Lamps
Supplemental information:
Additional Notes: