---
instrument_id: '480'
data_file_original_name: 'CIMS_ppb_210115.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: '2056'
experiment_link: 'https://icarus.ucdavis.edu/chambers/552/experiments/535'
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 14:33:39'
dataset_updated_at: '2021-08-10 14:33:39'
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)
9.233594149,4.158880273,11.24749441,1.810348837,0.189203838,1.366150762,0.475891478,0.733551122,3.071356537,0.335672699,0.423979304,-0.011159325,9.683307123
9.352366368,11.72827464,11.30283878,1.903592358,0.162588717,0.969598341,0.450769147,0.816357535,3.16507841,0.327765658,0.511145236,0.06925266,8.228194902
9.471695772,13.46130814,15.13947246,2.115978112,0.118672404,0.851982716,0.477959477,0.92029052,5.508955273,0.336921308,0.56811691,0.151222904,7.46658189
9.591288213,15.3504109,17.36114725,2.352419545,0.107714162,0.86601931,0.499489915,48.06302601,9.691167268,0.320128367,0.587484743,0.2515537,7.405877341
9.711124163,14.59250781,18.11300178,2.350141534,0.103497121,0.924003324,0.563413928,94.26644353,12.18979121,0.303567024,0.547396694,0.258180877,7.109724895
9.830477232,15.98066694,19.01898726,2.362063038,0.115450942,0.903973544,0.596360185,83.95420142,13.25051826,0.308320908,0.534321691,0.285492657,7.308318525
9.950661058,16.87694438,18.8450568,2.652512039,0.092450101,0.87357109,0.718937415,114.5495695,12.97712354,0.31941522,0.479237473,0.348666523,7.664789557
10.07031285,17.54914326,18.89501136,2.717654917,0.085880995,0.853344487,0.819508184,137.4674812,12.44285934,0.28526012,0.429978607,0.323989075,7.651446661
10.19033209,18.35812579,18.53307656,2.852093358,0.089599808,0.82258816,0.817555107,133.8332419,11.81380135,0.26115177,0.407102294,0.284871143,7.888832615
10.30973113,18.07685489,17.90412821,2.72263856,0.075891914,0.806043314,0.829280187,133.3834315,10.62364774,0.241954188,0.38900837,0.283608893,7.619998965
10.42885208,18.0470213,18.26460815,2.695236596,0.08914798,0.842579713,0.807398021,133.7841291,10.11938327,0.231643491,0.359103006,0.293235221,7.712545151
10.54942423,17.93846023,17.3453846,2.640660829,0.084634567,0.732281116,0.788052865,133.9452566,9.354358368,0.222403853,0.320896591,0.247797058,7.554334352
10.6689842,18.19931443,15.02177185,2.691543825,0.055663081,0.822037907,0.770372801,133.916116,8.961208384,0.193181493,0.275459423,0.181153297,7.137336225
10.78937204,19.58090397,15.1763404,2.747001455,0.054665773,0.813997653,0.729596755,132.7781634,8.818374346,0.162962083,0.262694036,0.176163031,8.05518995
10.90933861,21.06677286,17.57879242,2.923953975,0.058333119,0.843115384,0.766207774,135.1681178,8.601949321,0.174715863,0.334943853,0.193042118,8.18762376
11.02937165,22.03254858,17.30081505,3.567627215,0.071610541,1.238380457,0.834397181,133.9709083,8.489603575,0.189281865,0.310880344,0.207992195,7.920850616
11.1487379,25.63755969,17.29524179,8.44032434,0.136410766,5.633988718,1.044373751,119.7311637,9.436098476,0.211417764,0.332265812,0.161516156,6.459444184
11.26862892,32.11958636,19.74540637,21.80877336,0.297903155,18.25357888,1.538335079,91.96668901,12.24652212,0.343145291,0.337924408,0.263711435,5.842603123
11.38808485,34.81302971,20.15791005,29.64537186,0.470112983,25.54359977,1.629419242,76.88053572,14.80592817,0.40619839,0.349728787,0.311978393,5.122284207
11.50823344,38.59860128,22.18283644,35.83616435,0.536023396,32.59689957,1.78841369,63.87976218,16.21425855,0.446065658,0.359075527,0.375500525,3.727568516
11.62818884,40.56641759,22.24467199,40.73875982,0.646685536,37.18942243,1.884582333,55.18244788,17.26707274,0.511779075,0.337616041,0.428423948,3.32578947
11.74801592,42.99971386,23.89265651,43.31223206,0.642279868,40.60218709,1.84603914,47.37307075,17.90001739,0.490031536,0.322533389,0.434703216,2.8589975
11.86810206,44.98905426,23.29004641,46.63584864,0.652938326,43.43768205,1.880167391,41.06734379,18.06482357,0.517620302,0.334857903,0.439933124,2.375731678
11.98806619,46.51878039,23.83738568,48.16040695,0.723825561,45.77018045,1.906925559,36.66415071,18.82222783,0.495815092,0.317375475,0.497915138,2.309352473
12.10086578,49.23785389,24.64289906,49.31277249,0.745938024,45.77297199,1.859367919,34.32095207,18.99817654,0.468960833,0.314825207,0.475405008,2.210165877
12.21214587,48.43708345,24.93205056,49.41521014,0.717467072,46.17468782,1.870454363,33.63980195,18.407109,0.468319813,0.333858696,0.512120465,2.091502194
12.32556384,49.68635397,25.21510918,49.54521404,0.70655177,46.42565026,1.925394791,33.67676905,18.01762314,0.450059907,0.332825958,0.442013407,1.94289537
12.44482134,50.41143052,24.65223429,48.90881292,0.691449652,45.80928232,1.833167552,33.42655216,17.32274495,0.427909356,0.331721154,0.429063447,1.910730459
12.56502831,50.73492643,24.67152259,49.41405239,0.707619481,46.92546117,1.875195407,33.13723739,17.18246045,0.450757744,0.32930195,0.454325254,1.872210737
12.68542496,52.22380743,24.87658377,49.06196211,0.702137592,45.42179871,1.83975048,33.06414282,17.2500098,0.428094402,0.346940045,0.403181211,1.947275969
12.80507811,51.61595149,25.6879361,49.66688656,0.765242938,47.33053619,1.813307504,32.66050667,16.61772146,0.423260859,0.353782342,0.361441155,1.793593529
12.9255731,52.2270471,25.54984765,49.22276358,0.704781584,46.45162651,1.819802622,32.23375901,16.17933906,0.436309803,0.343450656,0.402272901,1.799002154
13.04645058,52.3971524,24.97068148,48.76744225,0.697875265,45.11637229,1.805947531,31.83481678,15.21385223,0.454711949,0.332428551,0.351930916,1.744268143
13.16594356,53.23675151,25.4606718,48.87845569,0.731442395,45.94757543,1.833321695,32.03577194,15.43446183,0.401737359,0.31486942,0.335639381,1.829603323
13.28576246,54.00647542,25.90516989,48.98755045,0.694048555,46.94968807,1.846841853,31.69579585,15.18050851,0.414695139,0.340326991,0.384444434,1.793122026
13.40538802,53.80273738,26.08670283,49.18119718,0.694843393,47.50342802,1.861731797,31.40264239,14.46861531,0.403666132,0.376803989,0.380841034,1.78124817
13.52566869,54.3128201,26.33263907,49.06394172,0.658576814,46.25835649,1.759501158,30.7656442,14.09529742,0.459433716,0.37428708,0.397582941,1.608860093
13.64708091,54.94339644,26.93042672,49.48246678,0.700130515,47.39752337,1.757774322,30.91204502,13.52614942,0.468742793,0.374359002,0.328665751,1.693893409
13.76840223,56.10017127,27.11360933,49.02182447,0.642735353,47.09253907,1.826539254,30.76270568,13.18668585,0.47968219,0.360981719,0.322188878,1.718168254
13.8889039,56.51007838,26.30584128,49.09002736,0.654087771,46.52354377,1.832298473,30.57539391,12.78561324,0.489597505,0.337011562,0.333242701,1.735057275