---
instrument_id: '480'
data_file_original_name: 'CIMS_ppb_210118.csv'
skip_headers: '1'
charts: ''
headers:
    - '?Time (h)'
    - 'Formic acid (ppb)'
    - 'Acetic acid (ppb)'
    - 'Glycolaldehyde (ppb)'
    - 'HMHP (ppb)'
    - 'Hydroxyacetone (ppb)'
    - 'C5H8O2 (ppb, +/-50%)'
    - '1,2-DHI (ppb)'
    - 'C4H8O3 (ppb)'
    - 'C5H10O4 (ppb, +/-50%)'
    - 'C5H12O5 (ppb, +/-50%)'
    - 'C5H11NO6 (ppb, +/-50%)'
    - 'H2O2 (ppb)'
dataset_id: '2066'
experiment_link: 'https://icarus.ucdavis.edu/chambers/552/experiments/537'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/552/experimentSets/213'
chamber_link: 'https://icarus.ucdavis.edu/chambers/552'
dataset_created_at: '2021-08-10 14:40:13'
dataset_updated_at: '2021-08-10 14:40:13'
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),HMHP (ppb),Hydroxyacetone (ppb),"C5H8O2 (ppb, +/-50%)","1,2-DHI (ppb)",C4H8O3 (ppb),"C5H10O4 (ppb, +/-50%)","C5H12O5 (ppb, +/-50%)","C5H11NO6 (ppb, +/-50%)",H2O2 (ppb)
9.315335691,2.327057018,7.333803633,0.903024812,0.086201897,0.972135902,0.340784307,0.432853063,1.5161954,0.334912342,0.396256993,0.042801851,5.845336791
9.435207586,5.901955462,7.32573185,0.695263774,0.037192619,0.643581479,0.315231721,0.395158658,2.148808462,0.272287084,0.496054905,0.050064542,6.097544484
9.554956002,5.83703544,9.65101938,0.761323482,0.154733072,0.582219029,0.387239666,36.28178986,5.299058742,0.279324055,0.596714201,0.042494776,1008.79069
9.674068059,4.965490407,9.46354189,0.761400553,0.444910468,0.499776479,0.49613683,66.63033977,9.450674067,0.291973728,0.634660471,0.078855496,2209.350299
9.794025649,4.262191677,8.695126324,0.73671664,0.668982952,0.481892735,0.604660612,90.57100882,11.84543012,0.277367344,0.558338913,0.086176773,2837.069327
9.914843575,4.208062242,8.725889501,0.714661559,0.726476473,0.493780929,0.677595531,113.1112848,11.87888837,0.237233116,0.543769169,0.076516656,3015.079895
10.03486451,3.913727824,8.82316302,0.672337533,0.622050629,0.451017647,0.797260613,130.6282442,11.7351774,0.228558168,0.510046543,0.091287987,3186.004424
10.15550268,3.871943647,8.880951047,0.707267484,0.566271412,0.44259867,0.90371017,131.6098201,11.02137593,0.239698746,0.435266199,0.100359382,3175.933219
10.27634976,3.880059904,8.453638756,0.732851896,0.466400946,0.424289614,0.861501888,131.3093301,10.41897082,0.218982375,0.411866144,0.13082879,3132.743945
10.39680228,3.785556859,8.700018634,0.709746719,0.443221279,0.49506909,0.840606139,131.8950643,10.30081419,0.205019888,0.423137038,0.117829853,3142.080228
10.51662147,3.733170663,7.903242296,0.72410079,0.424981946,0.477627988,0.918413233,131.3300386,10.42786811,0.197888305,0.388824571,0.137703132,3106.276617
10.63730271,3.739969192,8.179786077,0.708802032,0.28571377,0.461587764,0.907600075,130.9160268,10.16270508,0.171858825,0.364298502,0.103122271,3166.058329
10.75834807,3.518984213,7.891534877,0.696574621,0.305081719,0.46989984,0.865670399,131.9274779,10.41029417,0.1942108,0.375343106,0.157882114,3126.850014
10.8799503,3.464359052,7.691833918,0.670079396,0.258956021,0.493877619,0.840203783,130.5116669,10.51954245,0.156242391,0.348246717,0.117585758,3184.731062
11.00022442,3.638598265,8.144545778,0.681828852,0.269383592,0.488517603,0.866020257,131.1338839,10.63447359,0.169707355,0.329034495,0.139628558,3125.965557
11.12093224,3.576023007,8.276883854,0.746042838,0.273012097,0.456421265,0.871584005,131.331034,10.92207517,0.152209557,0.356337787,0.122980001,3148.722936
11.24167684,3.570087405,7.892703886,0.744149744,0.238487417,0.575121689,0.85852643,132.2484011,10.91588281,0.148411971,0.338978786,0.107236024,3121.265772
11.36221602,3.737833395,8.015213288,5.89265929,0.277335314,6.515246351,0.988270301,120.7871884,12.63132063,0.157005533,0.329296059,0.124581482,3137.011603
11.48299848,4.361111264,8.428353342,13.05203716,0.367992654,13.42709952,1.089711449,108.7266202,14.87703383,0.161119148,0.341275539,0.145862582,3018.485108
11.60235297,4.744821026,9.143048287,19.0128693,0.346897202,20.87214472,1.272457889,97.14194889,16.33700251,0.16058945,0.304848095,0.147151108,3049.24014
11.7236475,5.307887805,9.425892751,24.69045738,0.409076357,27.33050639,1.404401265,86.9156604,18.37289517,0.176979892,0.330604272,0.152460468,2991.706573
11.84390631,5.737516125,9.587876943,29.69987623,0.418624975,33.01956389,1.444965666,77.05181136,19.27704859,0.176521736,0.340796863,0.184078017,3027.742237
11.96370238,6.178799642,10.74660256,34.71113113,0.524149523,40.16050914,1.554323724,67.951938,20.49551187,0.188971725,0.315552938,0.19090485,2956.454298
12.08009973,7.171034269,11.07848006,38.24825294,0.558588518,43.84622888,1.608815625,60.06244999,21.15926172,0.187292952,0.331416019,0.223547889,2970.974529
12.19490703,8.007693009,12.76693575,42.60425346,0.592348936,48.82842714,1.688075877,53.60872907,22.09531951,0.183581875,0.325961944,0.214989985,2895.512641
12.30840118,8.432408139,12.11900588,45.05951856,0.629856216,52.90165541,1.683553812,47.7974134,22.42284019,0.224861972,0.35058721,0.267299865,2850.282456
12.4264606,9.365967219,13.62387643,47.54239438,0.663593101,55.08915357,1.687566285,41.98644415,22.53044419,0.199980912,0.334411887,0.260954093,2865.140175
12.54621666,10.15171217,13.94260978,49.86101164,0.758900354,58.71020285,1.654133576,37.26790842,22.99766537,0.2239734,0.334771772,0.24356076,2795.468428
12.66695921,11.02519847,14.92751511,50.8530857,0.727294755,61.14049869,1.572490724,33.26421491,22.7295952,0.191284752,0.336412582,0.232848585,2818.046841
12.78750858,12.20707329,15.76529924,52.894094,0.755690956,63.52243911,1.589394242,29.75850057,23.01804788,0.183375337,0.3481154,0.220964644,2755.235644
12.90825345,12.98677228,17.16921558,54.04098629,0.827736004,66.08065527,1.617146402,26.39539634,22.69991713,0.205829965,0.31691889,0.254502453,2753.65694
13.02880397,14.07143679,17.39999202,54.11635919,0.826115184,66.30692312,1.583237133,26.59468758,22.38139704,0.207736663,0.346227771,0.245458766,2745.768602
13.1486376,14.12005569,18.48069167,54.5169698,0.844906556,67.31042573,1.538000539,26.61515438,22.14145583,0.210854601,0.349792274,0.254048758,2722.709398
13.26945683,14.3755946,18.28438557,53.7263236,0.864921157,65.8619761,1.567595595,26.13288044,21.78098716,0.179524874,0.356662984,0.223977191,2760.402396
13.39019868,14.66917355,18.23549816,53.89842957,0.889971125,66.60123556,1.590084967,26.47559816,21.95179534,0.18967497,0.320043497,0.265765713,2719.177543
13.51076862,14.99357725,18.31172392,53.79102519,0.886545025,67.01361173,1.591125422,26.20715722,21.24274919,0.187473124,0.350937036,0.260167398,2712.096423
13.63134267,15.62104274,19.20325171,53.3242298,0.923103519,66.98991298,1.553461472,26.31411334,21.21167769,0.204471477,0.369447033,0.243209515,2681.970615
13.75246895,15.8030561,19.30017259,54.47115289,0.95311976,68.76574263,1.524358247,26.13830375,21.0247245,0.214334649,0.350241056,0.270251006,2655.010119
13.87252966,16.45512374,20.06544652,53.9046774,0.973747547,67.84467374,1.517556612,25.87392906,20.83691288,0.208079528,0.345816634,0.290988567,2692.938381
13.99169328,16.69289536,20.71376645,53.94799433,0.990665841,68.25035703,1.574545505,26.23901291,20.64577404,0.179571655,0.344017134,0.283160934,2699.110076
14.11296317,17.2303135,20.56282407,53.99257274,1.014710282,67.56617377,1.592712093,26.14793547,20.8087291,0.189459176,0.335243788,0.238861916,2668.90867
14.23377836,17.06463679,20.184255,53.57329657,1.00265703,67.47078617,1.574586807,25.68660528,20.06203519,0.181451565,0.345579714,0.242282006,2680.097998
14.35477962,17.62789207,20.61708854,53.68586755,1.008111271,67.75231582,1.588317354,26.25730751,20.34282787,0.192063718,0.361074012,0.242485165,2639.27255
14.47481459,17.83817528,21.53858121,53.14129872,1.053180104,67.07064509,1.566864869,26.19661865,20.02389038,0.181381277,0.3495424,0.291969385,2667.91771
14.59515866,18.55522992,21.45446702,53.12721137,1.03288985,67.90914243,1.53722941,25.91691641,19.52952958,0.187872972,0.359196754,0.268289062,2652.799108
14.71541997,18.81010126,22.14868716,52.79371606,1.089168773,68.34285814,1.597491181,25.94660032,19.43142256,0.176957728,0.346421384,0.277211083,2636.734174
14.83627468,18.94957101,21.78959776,53.06287916,1.064351185,68.33677221,1.554303555,26.02089764,19.36074712,0.176044945,0.378359809,0.322100721,2623.825862
14.95621896,19.49554689,22.53404983,52.56357347,1.113264675,68.07350188,1.567864807,25.74792644,18.63100629,0.164811136,0.348785913,0.246573282,2638.520471