---
instrument_id: '480'
data_file_original_name: 'CIMS_ppb_210117.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: '2061'
experiment_link: 'https://icarus.ucdavis.edu/chambers/552/experiments/536'
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 14:37:48'
dataset_updated_at: '2021-08-10 14:37:48'
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)
9.579127111,2.038060335,10.19878344,0.801563216,0.105983572,0.911569681,0.421432097,0.490526672,0.479162755,0.410387082,0.658772086,0.093103741,11.04050889
9.688834436,5.080656702,7.931741618,0.679383476,0.063219268,0.616863183,0.462900919,0.413088853,0.65778999,0.426828939,0.807490255,0.065572455,7.385992497
9.807040301,5.421330449,9.394976907,0.719452706,0.049676953,0.530098175,0.502132952,0.410196896,1.891288231,0.441634811,0.874041915,0.096900367,5.318436155
9.922085794,5.741534352,10.69430502,0.807613449,0.107122412,0.513730423,0.489697917,36.55856381,4.15566463,0.439366908,0.831363455,0.139829595,463.2601826
10.04182677,4.559585704,9.814194897,0.76395974,0.47433042,0.461399845,0.510518275,74.71997435,6.083126244,0.391258379,0.768523499,0.151285026,2025.813664
10.16303755,4.330071816,9.436236547,0.789205373,0.474205488,0.44521009,0.553483746,80.31893965,6.855808826,0.363819757,0.68575161,0.159539169,2228.529782
10.28408586,3.899381367,8.496591865,0.744255387,0.465703227,0.438450465,0.595421595,101.1004715,7.093866201,0.31468613,0.590281802,0.134093627,2499.107612
10.40435326,3.62747568,8.29062371,0.696674897,0.533328294,0.413779523,0.75342678,138.9262908,6.91727769,0.283268906,0.513585462,0.150349505,3172.680759
10.52500941,3.634019098,8.173375417,0.724534007,0.413630262,0.430512725,0.734535783,134.3617556,6.512888,0.258985232,0.501438688,0.149097993,3064.629955
10.64503416,3.41096655,8.217558296,0.66229839,0.407311101,0.388532464,0.704068073,133.5833901,6.17005841,0.262463806,0.479227453,0.132804323,3005.351628
10.7653149,3.476984012,8.030548115,0.656958644,0.354642349,0.374650448,0.668790347,128.3917963,5.612479738,0.229331523,0.418637007,0.144681669,2947.430549
10.88549719,3.381585141,7.691098548,0.607956426,0.322292646,0.368502249,0.693983391,127.9610529,5.262949232,0.225889914,0.390463651,0.128422555,3055.755871
11.00655717,3.329375069,7.864776198,0.623395548,0.286191261,0.375451623,0.675198368,130.2862492,4.987997012,0.195656878,0.381484795,0.131202097,3047.780465
11.12733083,3.266496496,8.023464824,0.664961272,0.240312026,0.326240538,0.664922851,129.898814,4.835404911,0.225791402,0.382993253,0.156559626,3016.746513
11.24713442,3.429588471,7.574672512,0.648856565,0.240341877,0.421156617,0.691162953,131.2482434,4.769100629,0.199791186,0.364555016,0.152530998,2964.216371
11.36769246,3.553899086,7.928050402,0.655520527,0.225807812,0.425537766,0.698097684,133.6131809,4.813441471,0.229894035,0.361276848,0.159777428,2943.334732
11.48877929,3.649753185,8.119179822,1.005308586,0.236600371,0.643608544,0.70788502,131.4212525,4.973510868,0.186546582,0.364964098,0.157784807,2934.772444
11.60944684,4.464912528,9.410592867,2.260671727,0.310041127,1.831592619,0.743959349,126.9842463,5.51881417,0.190463996,0.338885397,0.156317401,2932.930681
11.73067489,5.095346001,10.18696965,3.652686855,0.393627716,2.889030553,0.832220804,123.1278373,5.765238495,0.19928677,0.340357137,0.156510068,2894.840051
11.85068496,5.852450447,10.40220927,4.859580599,0.463798552,4.166919995,0.916101417,117.9591743,6.25040914,0.222047671,0.306236052,0.116500715,2885.37783
11.96949433,6.87758751,11.56820367,6.630925203,0.50958416,5.600763023,0.948229498,112.9074835,6.913293295,0.254358534,0.33350115,0.134796705,2846.111466
12.08403905,7.324837304,12.32717929,7.998470662,0.589929294,6.85817709,0.965340307,109.4009347,7.393237977,0.312522907,0.324918291,0.169094049,2911.175879
12.2048008,8.538088001,13.45250611,9.63909749,0.653898261,8.406692307,1.096518697,105.3042455,7.952358221,0.364519133,0.307714342,0.134103762,2834.526589
12.3261765,9.476519276,14.12378602,11.33547364,0.745773766,9.934313886,1.112866945,100.7473499,8.515112503,0.38174333,0.312596111,0.127266599,2872.525088
12.4470529,10.33468042,15.49521767,12.76083069,0.774612174,11.26833745,1.208959372,96.22395922,8.992843523,0.458036764,0.330929439,0.117798911,2839.009035
12.56708393,11.41958097,16.41551701,14.47921335,0.897463439,13.09211591,1.238305642,91.18872058,9.452116389,0.47957443,0.335738123,0.112826203,2793.830752
12.68723807,12.55494343,17.31107624,16.11139148,0.942878927,14.38899521,1.347423999,86.9662957,9.965944621,0.509601957,0.328653727,0.118296061,2773.832512
12.80822629,13.78415524,19.28011737,17.78662458,1.060127029,16.45401757,1.33518358,82.67809983,10.4380863,0.512624515,0.34767542,0.136061008,2730.602081
12.92915437,14.78091334,19.89630387,19.20563578,1.123288256,17.57484833,1.398683511,77.39686693,11.07029347,0.609637159,0.349569444,0.098567689,2758.989235
13.04704749,15.78340985,21.22550543,20.64776483,1.213853174,19.51424334,1.493091371,74.26317655,11.4817031,0.620756905,0.364427384,0.163392628,2682.525508
13.16763743,16.87022178,22.18244012,22.25845031,1.252501746,20.64086894,1.47403815,70.2318857,11.9329022,0.6252632,0.325864757,0.121483532,2667.098245
13.28858807,18.31646434,22.64553106,23.63916854,1.342360385,21.86125046,1.470192154,65.45022589,12.07553528,0.672817232,0.349044371,0.140371109,2595.31916
13.40878398,19.60861174,25.66297123,24.65029118,1.374767926,23.84278164,1.53447461,61.81974107,12.5631067,0.646643881,0.352813399,0.113306181,2593.38625
13.52864128,20.72126155,26.45002889,26.08121978,1.384669141,24.42215672,1.629620193,58.22951376,12.9777499,0.618803945,0.360437207,0.143494117,2592.67417
13.64935018,22.28030346,27.58563178,27.10785672,1.497379693,25.77449024,1.565492277,54.92043914,13.11709506,0.670541367,0.36411063,0.112834172,2549.943136
13.76984505,23.4259192,28.78871441,27.6591761,1.556875853,27.42456556,1.599988299,52.96495853,13.07422661,0.673300899,0.364747447,0.15580973,2518.228513
13.89055549,23.46013721,29.73347137,27.85664619,1.552997755,27.35532115,1.61585749,52.70679459,13.28420659,0.67717688,0.356406947,0.135986926,2516.543152
14.01192021,24.69911476,30.04301124,27.85808205,1.631033179,27.35306251,1.668086487,52.50351495,13.51112154,0.647014249,0.355937024,0.128288591,2490.262401
14.13333853,25.08072011,30.00131497,27.97178395,1.575293061,27.18469666,1.576723582,52.34854675,13.49428154,0.621869243,0.35890472,0.134560308,2448.821974
14.25340625,24.90446909,31.4434433,27.75246833,1.638424401,26.71788014,1.605168609,52.07652602,13.46011254,0.606494424,0.359145063,0.141311757,2521.474001
14.37415694,25.49221557,30.85529285,27.61335264,1.610770032,26.56394111,1.60203839,52.09203961,13.54376447,0.579247218,0.336462945,0.143944103,2486.795333
14.49420941,25.94334558,31.68859435,27.92943867,1.709739954,27.44945488,1.618520309,52.07399768,13.58037697,0.522169418,0.341032226,0.102104754,2489.726041
14.6147023,25.78888327,31.92886617,27.57654224,1.672699882,27.10790371,1.635752884,52.0875454,13.67207754,0.506945704,0.349814291,0.168054524,2476.172725
14.73435286,26.22642811,31.79933773,27.38230789,1.63174542,27.37987664,1.597427508,51.4921601,13.556605,0.498990336,0.356787464,0.125551854,2485.125796
14.85534618,27.20143265,32.8665693,27.62372749,1.669166868,27.57578146,1.548951893,51.4332825,13.79114096,0.476192852,0.363253021,0.126266004,2466.226057
14.97542011,27.44972535,32.38776917,27.28404263,1.615757408,27.69117844,1.666714807,51.46243079,14.02139356,0.438299235,0.34026043,0.074407599,2489.042269
15.09491124,27.67993166,33.04015825,27.47358174,1.736646664,28.09783354,1.562194234,51.25139875,14.18304497,0.412488252,0.365224355,0.115599692,2470.110902
15.21463123,28.10758729,33.78644169,26.75880532,1.689314031,27.58329609,1.645176629,50.98547092,14.19067432,0.439700184,0.35982799,0.156798427,2435.383809
15.33523049,27.65921904,34.26301868,27.10004838,1.704110179,27.87758771,1.581967925,50.95459191,14.4347582,0.408249193,0.350922307,0.104873745,2445.101496
15.45537283,27.91566771,33.20659356,27.50158508,1.674882496,27.81493044,1.591919103,50.73424349,14.49699217,0.37294601,0.333875651,0.08306666,2422.946878
15.57595225,28.49649971,34.44253841,27.8474759,1.765001034,27.92212167,1.561815924,50.73546681,14.79858263,0.375509306,0.354228683,0.136647038,2367.877365