---
instrument_id: '480'
data_file_original_name: 'CIMS_ppb_210119.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: '2071'
experiment_link: 'https://icarus.ucdavis.edu/chambers/552/experiments/538'
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 14:43:40'
dataset_updated_at: '2021-08-10 14:43:40'
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)
9.577337637,9.314633655,17.09453041,3.098578336,0.175810975,3.432430488,0.490210678,0.937974898,6.180317223,0.293819888,0.417620526,0.05675789,15.56098286
9.696876637,19.1407691,15.42463754,3.082499054,0.138248101,2.830707729,0.507600921,1.034682426,5.766030753,0.221371304,0.542173158,0.150768303,10.7024668
9.816536979,20.05185076,17.2123652,3.468220475,0.129707519,2.607583986,0.491240628,13.54344225,8.003879282,0.20820948,0.601612051,0.169927173,8.802207401
9.936234507,21.18404684,18.13204946,4.105475105,0.137036914,2.723670421,0.597351622,81.45444961,11.06890872,0.203660493,0.608002276,0.156838739,9.060714145
10.0563659,21.77036615,18.51770885,4.14727768,0.150595195,2.704015906,0.62166686,83.65843913,11.83407155,0.182031673,0.541535012,0.147144641,8.885022077
10.17596104,22.33973077,18.59345453,4.298458076,0.13476313,2.710946187,0.768974246,145.9461686,11.72884304,0.180431774,0.52969983,0.161102367,8.114166559
10.29558616,22.66604089,18.725372,4.609303691,0.151041626,2.813166076,0.913559294,173.4912324,10.91913453,0.165811096,0.490264664,0.164064327,7.705713078
10.41613972,23.85578264,18.64511615,4.678805469,0.151773062,2.8964475,1.012702467,166.0102045,10.23531166,0.178966828,0.486685801,0.156856241,7.504623249
10.53556108,23.71171593,18.62838573,4.729103654,0.129953149,2.819780824,0.976898576,167.0826063,9.509999996,0.176033841,0.444897342,0.167938916,7.164666037
10.65651475,23.60000143,18.44970075,4.759014577,0.158355325,2.804682396,1.010111742,166.3649093,8.999152587,0.178904319,0.427024112,0.178274281,6.693481595
10.77712517,24.21809144,18.18675814,4.906950925,0.15299244,2.856645595,0.980830094,165.9284023,9.121977807,0.178562211,0.41719477,0.147423023,6.571709703
10.89799391,24.18727827,18.77624829,4.961842965,0.14236804,2.853382391,0.994155386,166.3129964,8.883607097,0.157510403,0.399412945,0.176763488,6.352052682
11.01916939,24.81958701,18.7377317,4.970356122,0.152068791,2.867716029,0.944623292,165.7246143,9.051353191,0.182949086,0.33607061,0.151788427,6.194770104
11.13966409,25.06280223,18.99815501,5.149484817,0.127950814,2.865046895,0.903436374,164.4760786,8.965146575,0.192970521,0.344542626,0.188617878,6.075413557
11.26012016,25.35534977,18.72049369,5.068359203,0.149997248,2.842615993,0.893878602,163.809821,8.795044508,0.193376231,0.303215211,0.171460483,5.889572575
11.38033535,26.48715193,17.69201526,6.275931751,0.129152698,4.403033624,0.978123588,163.4266425,9.069022662,0.152764092,0.28916526,0.13725842,5.953159142
11.50010478,31.04663682,19.4617982,12.53345978,0.292189847,10.25360348,1.262867713,148.9576786,10.52066805,0.172323722,0.34167893,0.154833268,5.104141408
11.61834953,33.15900371,20.91092049,18.85022976,0.407627894,16.58108541,1.48028841,133.324125,12.66702218,0.175044303,0.370479321,0.155635821,4.713604984
11.73820502,36.07441851,21.67472457,25.29204992,0.548113907,23.1521516,1.691333125,121.8373358,14.29592473,0.207762649,0.330868667,0.189826347,4.091974709
11.85816633,38.24133841,21.74757232,30.57052278,0.676320198,28.23408536,1.78860093,109.2133924,15.59687967,0.23723105,0.322888959,0.193540882,3.692887222
11.97857544,41.25367561,22.5368321,34.52102981,0.759879896,32.72554099,1.950943629,100.9252385,16.7308944,0.232371891,0.307604358,0.246930456,3.475964189
12.09420387,43.22196411,23.53218891,38.95589322,0.917010141,36.57510895,1.958668293,93.33126245,17.99975596,0.246003424,0.324941047,0.223828944,3.177589013
12.20665571,44.6003598,25.37422241,41.65641978,0.9475041,40.07383502,2.050208175,87.55763728,18.77774244,0.249643288,0.373908269,0.249815889,2.951489558
12.32504345,46.75005566,25.5480841,44.41474135,0.940901416,42.74905673,2.112617519,82.07321939,18.74100988,0.294234406,0.352916572,0.22796984,2.780065326
12.44435235,48.60901467,26.05189513,46.36889109,0.985841905,45.88117965,2.065354621,76.10514367,19.16833543,0.29768804,0.328803191,0.307439069,2.63935527
12.56398908,51.05652424,26.16891591,48.89757561,1.02896704,47.30835178,2.119551606,71.62275237,19.47899658,0.326117619,0.307074037,0.254361184,2.568696582
12.68403307,52.72035714,26.92798103,50.17422292,1.067334859,48.73621161,2.08992173,67.18485128,19.67993078,0.292234401,0.294421356,0.196917669,2.386819141
12.80446249,55.08586849,27.80855558,50.91270914,1.148320957,50.3395759,2.122071554,63.73524656,19.68332243,0.28341045,0.3157226,0.209844604,2.308807633
12.92432068,56.3239567,28.00015387,53.08656098,1.104660109,51.52100766,2.122115478,59.77332102,19.89955746,0.296911823,0.312679135,0.196406068,2.296475603
13.04445945,57.2829239,29.34398554,55.56071852,1.149766515,54.87861692,2.092891649,57.08367767,20.85715121,0.312749129,0.331594886,0.195654939,2.17293161
13.16402507,58.13077246,29.90521281,57.78035062,1.167243325,57.18432455,2.125753763,53.91053535,21.0591522,0.341550044,0.353777091,0.180574823,2.346670039
13.28418643,59.87878799,30.17368023,58.22484216,1.213240842,58.92298572,2.091113344,51.23691505,20.43226803,0.394240972,0.342822089,0.214128582,2.125204233
13.40439073,61.2330145,30.90675282,59.32607114,1.177506885,60.26451979,2.1013986,49.24654178,20.5493774,0.383413423,0.310823055,0.230455434,2.124467343
13.52399741,61.99234244,30.73320361,59.53597378,1.248269958,60.38081975,2.0377507,48.4533143,21.09772128,0.403679376,0.336442052,0.181704172,1.996822798
13.64527434,61.67116795,30.65430505,59.90507994,1.204061499,60.89460754,2.080662594,47.97552333,20.63748593,0.39965513,0.36420913,0.166897844,2.081566014
13.76555888,63.02368269,30.81765251,59.41590472,1.283232906,61.00302514,2.096539303,47.25817932,20.44758016,0.479889454,0.371536863,0.183313736,2.037096307
13.8864419,63.30057501,31.26737314,59.80298242,1.206463895,60.58668171,2.054070608,46.05663978,19.89709862,0.435472028,0.336298793,0.200762337,2.05804852
14.00668655,64.11920668,30.39777626,59.2940669,1.184658747,60.78463912,2.093397776,45.75410926,19.69067334,0.440702402,0.320789326,0.178866123,2.091657159
14.12736889,65.05608238,31.92884693,59.84634959,1.250920427,60.67548925,2.033249413,45.90509586,19.68638994,0.4354403,0.319303851,0.184482368,2.08065209
14.24862803,63.7871981,31.977819,58.64568284,1.305269925,59.72879205,2.028631737,45.09135681,19.84282064,0.383770358,0.34216542,0.203324903,2.151216507
14.36900016,65.63511443,32.55198983,58.33252641,1.230245101,59.21752996,2.037072756,44.44735044,19.80636318,0.3965269,0.328432779,0.160164829,2.134628008
14.48833362,65.56171306,32.68547764,58.29381686,1.243385363,60.25357591,1.972812796,44.06972233,19.79421995,0.398740303,0.345493587,0.18428793,2.231404318
14.60722544,67.30821738,32.70037812,58.87795535,1.212536219,60.70764853,2.037623329,43.75970833,20.12096096,0.413529181,0.339079063,0.156982856,2.216946447
14.72747968,66.73824847,32.67274465,58.25839594,1.221630362,59.46464107,2.002032256,42.76621595,19.76081152,0.40362128,0.355835908,0.163890187,2.336998703
14.84907025,67.71246176,33.44340152,59.09290397,1.135255919,61.58272452,1.979780841,42.7800154,19.57167604,0.439950204,0.335266253,0.133036634,2.097830851
14.97008188,68.20412793,32.23563922,59.48431936,1.170113073,60.99212894,2.02370826,42.23827005,19.42029201,0.435453195,0.328411391,0.202480195,2.280275829
15.090934,68.96863938,32.55233101,58.27587843,1.079846086,59.1281703,1.905132909,41.35102798,19.13320514,0.421996762,0.312632183,0.143621394,2.17192324
15.21152524,68.62526098,32.7442023,57.7481003,1.181850477,60.25575964,1.961161274,41.33094693,19.2555612,0.400888618,0.329569206,0.202083736,2.035825259