---
instrument_id: '480'
data_file_original_name: '211122_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: '3763'
experiment_link: 'https://icarus.ucdavis.edu/chambers/552/experiments/693'
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 10:04:10'
dataset_updated_at: '2021-12-08 10:04:10'
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)
9.890786446,1.550586277,32.22568498,1.211576454,0.611591767,3.581619162
10.00460954,6.889628625,8.503195149,1.15766282,0.474613489,3.190010081
10.11551451,8.307589898,11.87961789,1.180432046,0.435842221,3.476126575
10.22918868,11.63663662,17.91674972,2.31984613,4.104507637,56.27222736
10.34381019,17.84019955,19.71921751,2.235708435,3.743379133,81.93360593
10.45782603,17.85159437,21.09071187,2.348565727,3.941084511,114.9830493
10.5728762,19.31681494,21.99609527,2.719439982,4.457716694,176.4399037
10.68765495,19.28676316,22.04387595,2.778114738,4.672160222,223.4066763
10.80303773,19.69024351,22.13817472,2.830029362,4.730554672,237.6980468
10.91775736,19.92024514,22.18496458,2.763899341,4.68211111,255.8518403
11.03233942,19.72256342,21.59448165,2.821578216,4.757066614,279.1628451
11.14598668,20.2581572,22.0535314,3.022046461,4.910564164,282.724477
11.26012269,20.75009097,22.7177401,3.05899413,5.042888588,304.5861436
11.37381251,20.3189007,21.36630563,3.009213645,4.939393418,292.2187086
11.48887895,18.5856368,21.24905121,2.778018535,4.331052414,276.0866719
11.60325162,17.67107452,21.36237496,2.58497343,4.210255336,277.736082
11.71894195,18.08576796,21.17446257,2.793426468,4.28241853,274.4828581
11.83422594,18.30752951,21.97674213,2.790248997,4.364206388,278.2171808
11.94863472,18.32960645,21.76274198,2.836696824,4.321382312,276.0693176
12.05733286,18.0065359,22.11093823,2.822594603,4.292115852,273.4256726
12.16057565,18.06522639,22.45969257,2.831805393,4.244559595,264.3346537
12.26303981,18.5841765,22.76398096,2.930038427,4.247071248,270.0878235
12.36583476,19.12828113,22.08927287,2.814131056,4.238524093,260.6590128
12.46853497,18.50358558,23.17159585,2.938699528,4.158292896,271.0680411
12.57102042,18.98762622,22.72239609,3.022202301,4.192601226,257.8948866
12.67363247,18.74732299,21.94872466,3.046102722,4.132447397,266.5768917
12.77734233,18.98661019,23.74455453,3.286478693,4.054441155,244.9193431
12.89180015,19.286863,24.20299286,3.290937795,4.206230821,261.9885165
13.00725491,19.31797928,23.97509112,3.371792432,4.326625847,261.1338859
13.12184628,19.70123969,26.16966324,3.431808652,4.247833718,257.4999292
13.23664335,20.15073624,25.99983482,3.839915446,4.153803893,236.9375603
13.35049678,19.64464514,25.94089626,3.738594341,4.183632908,255.1959383
13.46505154,19.79074288,25.85066308,3.823055393,4.243830358,256.6293012
13.57935249,20.10045684,27.03433838,3.663109885,4.194324582,241.9198336
13.69461998,20.82398577,27.85192794,4.25852836,4.11180557,228.8025709
13.80874222,20.44201339,26.99952897,4.2405616,4.236426102,251.1305186
13.92196657,20.42582473,27.92743388,4.602587196,4.236719795,242.878622
14.03603018,20.96962179,30.03232378,4.398611271,4.249390259,241.431557
14.15032395,21.36294472,31.10125235,4.655480755,4.278400686,233.5246079
14.26477103,21.62029606,30.17471799,4.833974163,4.351652496,233.4265422
14.37864822,21.37491094,31.47030529,4.971166884,4.331597073,228.0129759
14.49239154,21.76757897,31.96181268,5.089954694,4.27420326,225.6628392
14.60681509,22.0946505,33.47084175,5.248599937,4.261110583,220.8708965
14.72217904,21.75192959,33.37019523,5.261084489,4.212279037,222.15745
14.83699831,22.52220355,33.46341865,5.05734361,4.181474736,221.1360745
14.95152051,22.38519252,33.75540227,5.451730944,4.271940154,222.2522882
15.06595272,21.97731425,35.21078791,5.426480253,4.197686142,216.0562953
15.1798737,22.61833122,35.81113013,5.557332006,4.340853472,211.5861822
15.29358091,22.72688846,35.30762599,5.602126537,4.422067451,213.9555389
15.40796222,22.8553481,34.86928581,5.900041122,4.411908946,211.118895
15.52157577,22.92532553,36.1331557,5.762150961,4.275049879,204.5712791
15.63550057,22.75553979,37.03886461,5.980057681,4.369896581,205.553476
15.75057775,23.27937806,37.20464781,6.183465733,4.427926242,205.9304226
15.86468596,23.30654122,37.54013141,6.16225395,4.423351157,201.8943455
15.97965362,23.94222516,38.60918345,6.166996181,4.350114706,198.5167137
16.09406517,23.42994844,39.79480522,6.243171409,4.296409044,197.0556158
16.20852581,23.50416141,38.71317325,6.357728673,4.436726449,194.1414184
16.32304435,23.82636173,38.11070119,6.486811769,4.390041266,194.3120242
16.43704334,24.16599904,39.49065052,6.520111498,4.582808569,194.0196804
16.55205789,23.99852925,39.61215679,6.477009948,4.498497967,190.1657388
16.66644703,24.03792835,39.61682766,6.810043287,4.536423952,188.9607344
16.78170041,24.0843879,40.46123717,6.885774833,4.499544802,186.4666848
16.89622702,24.20859024,41.18355185,6.883846021,4.547061869,185.8365599