---
instrument_id: '392'
data_file_original_name: 'EPA2296B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2648'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/370'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/539/experimentSets/188'
chamber_link: 'https://icarus.ucdavis.edu/chambers/539'
dataset_created_at: '2021-08-25 10:46:55'
dataset_updated_at: '2021-08-25 10:46:55'
instrument_link: 'https://icarus.ucdavis.edu/chambers/539/instruments/392'
instrument:
    id: '392'
    short_name: 'NOx Box'
    full_name: 'Chemiluminescence NO-NO2-NOx Analyzer'
    manufacturer: 'Thermo Environmental'
    model: 'Model 42'
    year: '1989'
    data_recording_software: 'Labview Program'
    data_analysis_software: 'Custom Excel Program'
    raw_data_time_resolution: '1s'
    analysis_data_averaging: '60s'
    detection_limit: '0.1 ppb'
    quantification_limit: ''
    sensitivity_to_temperature: 'N/A'
    sensitivity_to_relative_humidity: 'N/A'
    sampling_method: 'Direct gas sampling'
    sample_preparation_method: 'Filter particle contents before sampling; One of the measuring streams is flowing through catalyst system to convert NOx to NO'
    sample_residence_time_in_seconds: ''
    length_of_tubing_in_cm: ''
    flow_rate: ''
    tubing_material: 'FEP Teflon'
    chemical_identification_method: 'NO concentration is determined by Chemiluminescence method; NOx concentration is determined by the same method from another sample stream which flows through the catalyst box, assuming the catalyst can convert 100% of the NO2 into NO.'
    data_analysis_method: 'The raw signal is logged by the custom Labview program every second and is averaged to 1 min of the time range. Finally the data is pulled out by a custom Excel script.'
    quantification_method: '[NO2] = [NOx] - [NO].'
    calibration_method: 'Standard NO and NOx gas with known concentrations was introduced into the instrument and calibration factor is calculated based on the comparison. THIS IS DONE EVERYTIME BEFORE AN EXPERIMENT.'
    calibration_drift_estimate: 'No estimate'
    calibration_schedule: 'As Needed'
    uncertainty_estimation_method: 'N/A'
    known_interferences: 'N/A'
    link_to_supplemental_information: 'N/A'
    additional_notes: 'N/A'
    organization_id: '547'
    created_at: '2020-02-25T10:01:39.000000Z'
    updated_at: '2020-03-27T09:37:55.000000Z'
    column_descriptors: '(b) Experimental_Time = relative time, t=0 is defined as the start of the reaction (dark) or light given time (BL/Arc).'
    sampling_protocol: 'Online'
    skip_headers: '1'
    tubing_inner_diameter: '1/4'''' OD; 0.152'''' ID'
    what_is_measured: 'NOx Concentrations'
    measurement_uncertainty: '(a) Local_Time (N/A); (b) Experimental_Time (N/A); (c)NO_Concentration (+/- ?%); (d) NO2_Concentration (+/- ?%); (e) NOx_Concentration (+/- ?%)'
    measurement_units: '(a) Local_Time (N/A); (b) Experimental_Time (N/A); (c)NO_Concentration (ppb); (d) NO2_Concentration (ppb); (e) NOx_Concentration (ppb)'

---
Local_Time_PST,Experimental_Time_min,NO_UNCOR_ppb,NO2_UNCOR_ppb,NOx_UNCOR_ppb
1/17/2017 9:44:00 AM,10.9999999939464,2.807617,0.333659,3.141276
1/17/2017 9:45:00 AM,11.999999997206,2.986654,0.0325519999999999,3.019206
1/17/2017 10:14:00 AM,40.9999999974389,1.456706,-0.0325520000000001,1.424154
1/17/2017 10:15:00 AM,42.0000000006985,1.52181,-0.08138,1.44043
1/17/2017 10:29:00 AM,55.9999999939464,1.668294,0.0488280000000001,1.717122
1/17/2017 10:30:00 AM,56.999999997206,1.489258,0.016276,1.505534
1/17/2017 10:44:00 AM,71.0000000009313,1.253255,0.325521,1.578776
1/17/2017 10:45:00 AM,71.9999999937136,1.342773,0.284831,1.627604
1/17/2017 11:14:00 AM,100.999999993946,0.520833,0.528971,1.049804
1/17/2017 11:15:00 AM,101.999999997206,0.626628,0.113932,0.74056
1/17/2017 11:29:00 AM,116.000000000931,0.097656,0.089518,0.187174
1/17/2017 11:30:00 AM,116.999999993714,0.16276,0.081381,0.244141
1/17/2017 11:44:00 AM,130.999999997439,0.154622,0.138347,0.292969
1/17/2017 11:45:00 AM,132.000000000698,0.309245,-0.04069,0.268555
1/17/2017 12:14:00 PM,161.000000000931,0,0.179036,0.179036
1/17/2017 12:15:00 PM,161.999999993714,-0.268555,0.260417,-0.008138
1/17/2017 12:29:00 PM,175.999999997439,-0.008138,0.195312,0.187174
1/17/2017 12:30:00 PM,177.000000000698,0.08138,0.00813800000000001,0.089518
1/17/2017 12:44:00 PM,190.999999993946,0.211589,0.024413,0.236002
1/17/2017 12:45:00 PM,191.999999997206,-0.211589,0.146485,-0.065104
1/17/2017 1:14:00 PM,220.999999997439,-0.073242,0.048828,-0.024414
1/17/2017 1:15:00 PM,222.000000000698,-0.219726,0.268554,0.048828
1/17/2017 1:29:00 PM,235.999999993946,0.211589,0.211588,0.423177
1/17/2017 1:30:00 PM,236.999999997206,0.024414,0.138346,0.16276
1/17/2017 1:44:00 PM,251.000000000931,0.130208,0.122071,0.252279
1/17/2017 1:45:00 PM,251.999999993714,0.219726,0.032553,0.252279
1/17/2017 2:14:00 PM,280.999999993946,0.284831,0.089518,0.374349
1/17/2017 2:15:00 PM,281.999999997206,0.170898,0.048828,0.219726
1/17/2017 2:29:00 PM,296.000000000931,-0.032552,0.341797,0.309245
1/17/2017 2:30:00 PM,296.999999993714,0.252279,-0.00813799999999998,0.244141
1/17/2017 2:44:00 PM,310.999999997439,0.211589,0.130208,0.341797
1/17/2017 2:45:00 PM,312.000000000698,0.268555,0.073242,0.341797
1/17/2017 3:14:00 PM,341.000000000931,0.553385,0.195313,0.748698
1/17/2017 3:15:00 PM,341.999999993714,0.089518,0.472005,0.561523
1/17/2017 3:29:00 PM,355.999999997439,0.252279,0.32552,0.577799
1/17/2017 3:30:00 PM,357.000000000698,-0.056966,0.520833,0.463867
