---
instrument_id: '358'
data_file_original_name: 'FIX-CIT-GCFID-VOCs_Chamber_20140123_RA.csv'
skip_headers: '1'
charts: ''
headers:
    - 'UTCmid'
    - 'ISOP'
    - 'MAC'
    - 'MVK'
    - 'CHX'
    - 'Comments'
dataset_id: '1229'
experiment_link: 'https://icarus.ucdavis.edu/chambers/545/experiments/406'
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 13:59:55'
dataset_updated_at: '2020-10-25 22:12:44'
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,CHX,Comments
68918,0,0,0,0,0
69622,0,0,0,0,0
70326,0,0,0,0,0
71030,0,0,0,0,0
71734,69.1,2.7,4.4,0,0
72438,56.8,5.6,7.2,0,0
73142,46.6,7.9,9.8,0,0
73846,37.5,10.3,10.4,0,0
74550,30.7,12.9,11,0,0
75254,25.9,13.7,11.5,0,0
75958,22.3,14.4,11.8,0,0
76662,17.3,15.2,11.9,0,0
77366,15.3,16,11.7,0,0
78070,12.3,16,11,0,0
78774,10.3,16.3,11.2,0,0
79478,8.7,16.3,10.4,0,0
80182,7.1,17.1,9.9,0,0
80886,6.1,16.4,10,0,0
81590,5.5,16.6,10.2,0,0
82294,4.6,15.9,9.4,0,0
82998,3.9,15.5,8,0,0
83702,3.6,15.9,8.1,0,0
84406,3,15.9,7.7,0,0
85110,2.3,15,7.5,0,0
85814,1.9,14.3,6.9,0,0
86518,1.4,14.1,7.9,0,0
87222,1,14.1,6.8,0,0
87926,1,14.3,5.8,0,0
88630,0.4,14.4,5.6,0,0