---
instrument_id: '480'
data_file_original_name: '211129_CIMS_ppb.csv'
skip_headers: '1'
charts: ''
headers:
    - '?Time (h)'
    - 'Formic acid (ppb)'
    - 'Acetic acid (ppb)'
    - 'Glycolaldehyde (ppb)'
    - 'Hydroxyacetone (ppb)'
    - 'isoprene diol (ppb)'
dataset_id: '3770'
experiment_link: 'https://icarus.ucdavis.edu/chambers/552/experiments/694'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/552/experimentSets/226'
chamber_link: 'https://icarus.ucdavis.edu/chambers/552'
dataset_created_at: '2021-12-08 10:07:02'
dataset_updated_at: '2021-12-08 10:07:02'
instrument_link: 'https://icarus.ucdavis.edu/chambers/552/instruments/480'
instrument:
    id: '480'
    short_name: 'CF3O- CIMS: negative mode, calibrated'
    full_name: 'chemical ionization mass spectrometer w/ CF3O- reagent ion'
    manufacturer: 'Varian'
    model: '1200'
    year: ''
    data_recording_software: 'Varian workstation'
    data_analysis_software: 'Matlab'
    raw_data_time_resolution: '0.125 s'
    analysis_data_averaging: '0.5 s averages of raw data'
    detection_limit: '100 ppt'
    quantification_limit: ''
    sensitivity_to_temperature: 'minor'
    sensitivity_to_relative_humidity: 'ions are independently calibrated for RH'
    sampling_method: 'Direct sampling'
    sample_preparation_method: ''
    sample_residence_time_in_seconds: ''
    length_of_tubing_in_cm: '100'
    flow_rate: '2 lpm'
    tubing_material: 'FEP Teflon'
    chemical_identification_method: 'ion fragmentation in triple quadrupole'
    data_analysis_method: ''
    quantification_method: 'Baseline correction, dilution correction, humidity-dependent calibration factor'
    calibration_method: 'Compound-dependent: permeation tube, commercial or synthetic standards'
    calibration_drift_estimate: 'Low (on the order of weeks)'
    calibration_schedule: 'As Needed'
    uncertainty_estimation_method: 'Uncertainties are estimated from propagating uncertainties in the steps of the absolute calibrations'
    known_interferences: ''
    link_to_supplemental_information: 'St. Clair et al. (DOI 10.1063/1.3480552)'
    additional_notes: ''
    organization_id: '559'
    created_at: '2021-08-09T20:40:57.000000Z'
    updated_at: '2021-08-10T01:34:00.000000Z'
    column_descriptors: ''
    sampling_protocol: 'Online'
    skip_headers: '1'
    tubing_inner_diameter: '0.16 in'
    what_is_measured: 'oxidized VOCs (especially alcohols, hydroperoxides, acids, nitrates)'
    measurement_uncertainty: '+/- 30% unless otherwise noted'
    measurement_units: 'ppbv unless otherwise noted'

---
?Time (h),Formic acid (ppb),Acetic acid (ppb),Glycolaldehyde (ppb),Hydroxyacetone (ppb),isoprene diol (ppb)
9.408130551,-5.387830763,39.63890658,0.062383995,0.222199843,0.056212366
9.522523536,-0.639114403,-2.759801482,-0.007705811,0.141813964,-0.252689432
9.636566618,0.62252359,-0.932536929,0.064392925,0.109076871,-0.338016026
9.750433121,0.607728061,-0.617321737,0.055217425,0.045966009,-0.456353782
9.865452124,0.201773065,-0.271706574,-0.022188118,0.021588621,-0.201289053
9.979951793,0.311030533,-0.043310771,-0.008090361,0.014648297,0.089686106
10.09571003,0.425087622,0.049375413,-0.008205203,0.009657281,0.122344437
10.20997946,-0.346675457,-0.359541145,-0.016134339,0.001053004,-0.210832332
10.32597934,0.228220902,-0.332588981,-0.032077765,-0.024164967,-1.014858315
10.4407046,-0.058677197,0.240727608,0.033181178,-0.012864055,0.731397875
10.55552828,-0.367068754,0.295925571,0.026709562,-0.008208311,0.547975483
10.66995501,-0.393425656,0.420759641,0.026875347,-0.001680791,-0.05838653
10.78477392,-0.145955146,0.003152992,0.037652236,0.008935811,0.128032235
10.89974226,-0.136409167,1.18263829,0.073071002,0.019750019,-0.055830847
11.01433629,-0.262645476,0.570243305,0.103093691,0.007061253,1.133528434
11.12948409,-0.240785584,1.038791174,0.029838127,-0.010454626,0.577823709
11.24387268,0.066705954,1.413839019,0.124594709,0.038069752,1.057479265
11.35919939,-0.210973104,1.817172089,0.139887558,0.033829341,0.900394495
11.47442431,0.242204355,2.377097972,0.124037592,0.028503175,0.988721932
11.58936807,-0.038075445,2.595389417,0.208842999,0.041759387,0.921467357
11.70401884,-0.174562907,2.368723195,0.189890593,0.009541362,0.839113559
11.8190982,0.503001593,3.192515343,0.323682239,0.049435982,0.848499417
11.93480483,0.084323955,2.69615952,0.236049215,0.037991933,0.480787901
12.04538741,0.000205124,2.43726365,0.180893395,0.062084595,1.34921332
12.1496813,0.351879283,3.688609162,0.387486129,0.064461406,0.89406391
12.25297683,1.267200706,7.541202314,0.491783456,0.100985666,2.025116486
12.35589553,0.540425625,5.494492796,0.792057264,0.131919632,1.528973151
12.45870336,0.65727506,6.442028812,0.594782472,0.114924595,1.681395179
12.56131945,1.155025396,6.93337742,0.686066965,0.114305492,2.3210473
12.66424198,1.079832297,6.999364957,0.69651242,0.122811869,2.253559303
12.77633861,0.945748509,8.982586551,1.182873291,0.18887465,2.194506459
12.89093641,1.419675472,8.419774877,0.929111054,0.174146133,2.26359702
13.00446521,1.452128831,8.212719762,1.361990542,0.296537158,3.200838472
13.1194135,1.880653197,10.66191858,1.311083673,0.21701836,3.021062742
13.23459535,2.187721446,11.21479967,1.767198952,0.375538817,3.194873487
13.3499147,2.558232571,13.73340131,1.704738392,0.403896271,3.71130886
13.46526456,2.453880756,12.13883931,1.730654402,0.356158274,3.53173076
13.58059058,2.790204261,13.20689403,1.791593501,0.408184163,3.726697792
13.69585774,2.836050446,14.16657583,1.971528004,0.404906249,4.143031802
13.81044423,3.458819895,16.11760905,2.20073321,0.468850598,4.32944607
13.9244242,3.639554573,16.47702997,2.050665385,0.489511295,4.009014293
14.03911319,3.666008544,17.39662935,2.305649906,0.546257092,4.20204943
14.15410264,3.666844121,17.14023036,2.460769262,0.587966306,4.722995188
14.26980256,4.238513124,19.3240282,2.553340587,0.717083672,5.096892356
14.38476139,4.32697019,20.31553857,2.514747545,0.646866913,4.89855825
14.49886112,4.392019538,20.32632176,2.847440037,0.709372106,5.340474656
14.61401849,4.488630825,21.285358,2.815875788,0.735920132,5.229810272
14.72913518,4.634963217,20.36434288,3.05266987,0.832986594,5.485809643
14.8436845,4.50456789,20.19039871,3.130392218,0.795650468,5.367117493
14.95795549,4.745547142,20.86365291,3.149127891,0.831720452,5.537109105
15.07246268,5.267051314,22.98069585,3.484033801,0.842526783,5.823279041
15.18771946,5.182001631,21.98886555,3.446685397,0.905006048,6.027789265
15.30171302,5.525778513,23.75201693,3.612367756,0.927430479,5.940383207
15.41661263,5.833308931,24.13336444,3.662803417,0.994531242,6.12559627
15.53166053,6.041263314,24.62710186,3.698663928,1.016657407,6.210578016
15.64678234,6.264052112,24.83776456,3.748434377,1.047121776,6.288296549
15.76197074,5.983814592,24.8349504,3.690985612,1.040417015,6.123705862
15.87613613,6.252219412,25.21378215,3.780405258,1.051906574,6.395504612
15.98715817,6.628289179,25.65567407,4.126601548,1.144412249,6.658545558