---
instrument_id: '358'
data_file_original_name: 'FIX-CIT-GCFID-VOCs_Chamber_20140102_RA.csv'
skip_headers: '1'
charts: ''
headers:
    - 'UTCmid'
    - 'ISOP'
    - 'MAC'
    - 'MVK'
    - 'TOL'
    - 'Comments'
dataset_id: '1052'
experiment_link: 'https://icarus.ucdavis.edu/chambers/545/experiments/391'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/545/experimentSets/162'
chamber_link: 'https://icarus.ucdavis.edu/chambers/545'
dataset_created_at: '2020-09-08 12:29:04'
dataset_updated_at: '2020-10-20 10:50:51'
instrument_link: 'https://icarus.ucdavis.edu/chambers/545/instruments/358'
instrument:
    id: '358'
    short_name: 'GC-FID'
    full_name: 'Gas chromatograph with flame ionization detector (Seinfeld)'
    manufacturer: 'Agilent'
    model: '6890N'
    year: ''
    data_recording_software: 'Chemstation'
    data_analysis_software: 'Chemstation'
    raw_data_time_resolution: 'depends on method (usually 10 - 20 min)'
    analysis_data_averaging: 'None'
    detection_limit: '1-10 ppbv'
    quantification_limit: ''
    sensitivity_to_temperature: ''
    sensitivity_to_relative_humidity: ''
    sampling_method: 'Direct sampling'
    sample_preparation_method: 'None'
    sample_residence_time_in_seconds: ''
    length_of_tubing_in_cm: '30'
    flow_rate: '0.5 LPM'
    tubing_material: 'PFA Teflon'
    chemical_identification_method: 'Needs to be calibrated for retention time'
    data_analysis_method: 'Manually integrating peaks.'
    quantification_method: 'Applying sensitivity factor for each analyte.'
    calibration_method: 'Calibrations done by making "pillow bags" of each analyte at different concentrations and introducing the standards into the GC-FID.'
    calibration_drift_estimate: 'Low (on the order of weeks)'
    calibration_schedule: 'After changing columns'
    uncertainty_estimation_method: 'Based on precision of integration and errors in absolute concentration of standards.'
    known_interferences: 'Known to convert organic hydroxy hydroperoxides, hydroxy epoxides, hydroxy nitrates, and other compounds with labile groups into carbonyls. See Rivera-Rios et al. (https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2014GL061919)'
    link_to_supplemental_information: ''
    additional_notes: ''
    organization_id: '551'
    created_at: '2020-01-11T06:05:30.000000Z'
    updated_at: '2020-01-11T06:05:30.000000Z'
    column_descriptors: '{"1":{"name":"Time (UTC)","units":"seconds","uncertainty":"N\/A"},"2":{"name":"Isoprene","units":"ppbv","uncertainty":"20"},"3":{"name":"Methacrolein","units":"ppbv","uncertainty":"20"},"4":{"name":"Methylvinylketone","units":"ppbv","uncertainty":"20"},"5":{"name":"Cyclohexane","units":"ppbv","uncertainty":"20"},"6":{"name":"Comments","units":"N\/A","uncertainty":"N\/A"}}'
    sampling_protocol: 'Online'
    skip_headers: '1'
    tubing_inner_diameter: ''
    what_is_measured: 'Hydrocarbons, some oxygenated hydrocarbons'
    measurement_uncertainty: ''
    measurement_units: ''

---
UTCmid,ISOP,MAC,MVK,TOL,Comments
65577.5,0,0,0,0,0
66511.5,0,0,0,0,0
67445.5,45.7,0,0,0,0
68379.5,45.7,0,0,0,0
69313.5,41.9,2.4,6,0,0
70247.5,36.2,4.7,14.1,0,0
71181.5,30.5,6.7,22.2,0,0
72115.5,26.5,8.4,29,0,0
73049.5,22.1,9.7,33.9,0,0
73983.5,19.4,9.7,36.3,0,0
74917.5,15.8,9.4,35.5,0,0
75851.5,12.9,8.4,35.5,0,0
76785.5,10.7,8.1,35.1,0,0
77719.5,9.1,7.7,33.9,0,0
78653.5,6.3,7.4,31.9,0,0
79587.5,5.9,6.4,29.8,0,0
80521.5,4.2,6,27,0,0
81455.5,3.4,4.7,25.4,0,0
82389.5,3,3.7,24.6,0,0
83323.5,2.9,3.4,22.2,0,0
84257.5,1.7,3.4,20.6,0,0