---
experiment:
    id: '672'
    experiment_category:
        - 'Gas phase chemical reaction'
        - 'Photolysis, any phase'
        - 'Aerosol formation'
        - 'Aerosol aging'
    experiment_date: '2007-11-14'
    temperature: '25'
    relative_humidity: '1'
    seeded_experiment: '1'
    type_of_seed: 'DOS'
    seed_concentration_units: 'micrograms_per_cubic_meter'
    initial_seed_concentration_value: '192'
    fuchs_adjusted_surface_area: ''
    reaction_type:
        - 'Photooxidation'
    oxidant_name: 'Hydroxyl radical'
    ro2_main_fate: 'NO'
    ro2_lifetime_seconds: ''
    experiment_goals: 'Determine SOA yield of OH radical oxidation of the VOC'
    experiment_summary: 'Alkanes were reacted with OH radicals in the presence of NOx in a 5900 L PTFE environmental chamber filled with clean, dry air (<5 ppbv hydrocarbons, <1% RH) at ?25 °C and atmospheric pressure. The reaction mixture contained ?200-400 µg m-3 of dioctyl sebacate (DOS) seed particles added from an evaporation condensation aerosol generator and 1 (0.5 heptadecane), 10, and 10 ppmv alkane, methyl nitrite, and NO. Reactions were initiated by turning on blacklights to form OH radicals by methyl nitrite photolysis. The average OH radical concentration for 60 min of reaction was ?3 × 107 cm-3 , and ?50-85% of the alkane reacted.'
    additional_notes: "In order to determine the yield at every time internal, an assumed OH profile was calculated in line with modeling from Lim and Ziemann, 2009 (https://doi.org/10.1039/B904333K). This was used in combination with initial and final measurements of the alkane concentration made with Tenax injections onto a GC-FID. \r\n\r\nMass concentrations from the SMPS were increased by a factor of 1.24 in line with observations made in Bakker-Arkema and Ziemann, 2021 (https://doi.org/10.1021/acsearthspacechem.1c00008)."
    light_flux_characterization_id: '44'
    particle_loss_characterization_id: ''
    vapor_loss_characterization_id: ''
    data_file_original_name: 'Cycloheptane_Timeline.csv'
    oxidant_concentration_units: 'molecules_per_cubic_centimeter'
    initial_oxidant_concentration_value: ''
    reactants:
        -
            is_aerosol: ''
            pubchem_cid: '9265'
            reactant_name: 'Cycloheptane'
            not_in_pubchem: ''
            functional_group: []
            concentration_units: 'parts_per_million'
            functional_group_other: ''
            initial_concentration_value: '0.987'
        -
            is_aerosol: ''
            pubchem_cid: '12231'
            reactant_name: 'Methyl nitrite'
            not_in_pubchem: ''
            functional_group:
                - 'Nitroalkane'
            concentration_units: 'parts_per_million'
            functional_group_other: ''
            initial_concentration_value: '10'
        -
            is_aerosol: ''
            pubchem_cid: '145068'
            reactant_name: 'Nitric oxide'
            not_in_pubchem: ''
            functional_group:
                - 'NOx'
            concentration_units: 'parts_per_million'
            functional_group_other: ''
            initial_concentration_value: '10'
    skip_headers_timeline: '1'
    condensation_sink_rate_coefficient: ''
    is_draft: ''
    pressure: '740 Torr'
    doi: ''
    download_file_path: 'experiments/EXP_672.zip'
    experiment_link: 'https://icarus.ucdavis.edu/experiment/672'
    experiment_set_name: 'Cyclic Alkane OH, High NOx'
    experiment_set_link: 'https://icarus.ucdavis.edu/experimentset/224'
    chamber_link: 'https://icarus.ucdavis.edu/chamber/557'
    chamber_name: 'UC Riverside (APRC)'
    experiment_name: 'Ziemann_20071114_Cycloheptane/Methyl nitrite/Nitric oxide_Hydroxyl radical_DOS'
    experiment_created_at: '2021-11-10 14:42:24'
    experiment_updated_at: '2022-11-27 06:38:23'
chamber:
    id: '557'
    name: 'UC Riverside (APRC)'
    chamber_flow_mode: 'Batch'
    chamber_shape: ''
    chamber_volume_in_cubic_meters: '5.9'
    chamber_surface_area_in_square_meters: '3.3'
    flow_through_rate_in_liters_per_minute: ''
    chamber_body_material: 'Teflon'
    chamber_body_thickness_in_mils: ''
    bag_replacement_date: ''
    bag_replacement_frequency: ''
    chamber_cleaning_method:
        - 'Flushing with air'
    o3_background: ''
    nox_background: ''
    particle_background: ''
    air_filtration_method: ''
    mixing_fans: '1'
    mixing_fan_material: 'Fan'
    temperature_control: ''
    temperature_measurements_recorded: ''
    temperature_range_min_degrees_celsius: ''
    temperature_range_max_degrees_celsius: ''
    humidity_control: '1'
    humidity_measurements_recorded: '1'
    relative_humidity_range_min_percent: '1'
    relative_humidity_range_max_percent: '100'
    particle_experiment_capability: '1'
    lights: '1'
    light_source_type: 'Blacklights'
    link_to_supplemental_information: ''
    additional_notes: ''
    organization_id: '548'
    created_at: '2021-11-10T16:44:36.000000Z'
    updated_at: '2022-01-17T21:01:42.000000Z'
experimentSet:
    id: '224'
    name: 'Cyclic Alkane OH, High NOx'
    experiment_set_description: "Cyclic alkanes were oxidized by OH radicals in a high NOx environment. For each experiment, 1 ppmv of the alkane*, 10 ppmv methyl nitrite, and 10 ppmv NO.\r\n*The only exception is heptadecane, which was run at 0.5 ppmv.\r\nThe following linear alkanes were used: cyclohexane, cycloheptane, cyclooctane, cyclodecane, cyclododecane, and cyclopentadecane."
    chamber_id: '557'
    created_at: '2021-11-10T19:52:35.000000Z'
    updated_at: '2022-11-27T15:24:33.000000Z'
    time_units: 'Minutes from start of reaction'
    publications: []
    downloadFileSize: '47923'
    download_file_path: 'experimentSets/EXPSET_224.zip'
    collaborators: []
organization:
    id: '548'
    lab_name: 'Ziemann'
    lab_affiliation: 'University of Colorado, Boulder, Boulder, CO, USA'
    lab_currently_active: '1'
    legal_constraints_statement: 'The Principal Investigator (PI) and institution retain any and all rights to the data that they generated. Use of ICARUS shared data in published materials or materials under review, including peer-reviewed publications or submissions, conference presentations, reports, and proposals, requires notification of the PI. For materials meant for dissemination that significantly depend on the data shared by specific PIs, the database user is required to offer the specific PI(s), and associated coworkers, co-authorship in said publications. When ICARUS data are used in published materials, the data should be cited and the DOI for the Experiment or Experiment Set should be provided in the Data Availability statement.'
    access_constraints_statement: 'These data are openly accessible by all registered users. Accounts are available free of charge following the registration of user information with a valid email address.'
    additional_notes: ''
    created_at: '2019-08-14T15:55:15.000000Z'
    updated_at: '2021-05-05T18:46:14.000000Z'
    pi:
        -
            name_first: 'Paul'
            name_middle: 'J'
            name_last: 'Ziemann'
            orcid: '0000-0001-7419-0044'
            phone: '3034929654'
            email: 'paul.ziemann@colorado.edu'
    data_manager:
        -
            name_first: 'Marla'
            name_middle: ''
            name_last: 'DeVault'
            phone: ''
            email: 'marla.devault@colorado.edu'

---
?Time_Min,Event Description
0,Lights on
56,Lights off