Supplement of Atmos. Chem. Phys., 17, 4387–4399, 2017
http://www.atmos-chem-phys.net/17/4387/2017/
doi:10.5194/acp-17-4387-2017-supplement
© Author(s) 2017. CC Attribution 3.0 License.
Supplement of
Estimates of the organic aerosol volatility in a boreal forest using
two independent methods
Juan Hong et al.
Correspondence to: Juan Hong ([email protected])
The copyright of individual parts of the supplement might differ from the CC-BY 3.0 licence.
Supplementarymaterials:
∆H VAP = 60 kJ/mol
Y = 1.31 * X - 0.40
R = 0.52
0.8
0.6
a
0.4
0.2
0
FInorganic > 0.3
0
0.2
0.4
0.6
0.8
Mass fraction of SVOA_PMF
1
Y = 1.19 * X + 0.04
R = 0.44
0.8
0.6
b
0.4
0.2
FInorganic > 0.3
0
0
0.6
0.2
10
15
20
0.6
0.8
1
c
0.4
5
0.4
Mass fraction of SVOA_PMF
Y = 1.25 * X - 0.23
R = 0.4
0.8
0
0.2
∆H VAP = 100 kJ/mol
1
Mass fraction of SVOA_VTDMA
Mass fraction of SVOA_VTDMA
Mass fraction of SVOA_VTDMA
1
∆H VAP = 80 kJ/mol
1
0
Data
Fitting line
1:1 line
FInorganic < 0.3
0.2
0.4
0.6
0.8
1
FigureS1:Massfractionofsemi-volatileorganicsobtainedfromVTDMAvs.the
PMF analysis for different inorganic mass fractions. Modeled results were
obtained by using a constant enthalpy value for all organics. Enthalpy values
weresetas60,80and100kJ/mol,respectively.Inpanelaandb(ΔHvapof[6060
60] and [80 80 80] kJ/mol for organic groups with different volatilities,
respectively) only the data points with particle inorganic mass fraction higher
than0.3areshown.Inpanelc(ΔHvapof[100100100]kJ/molfororganicgroups
with different volatilities) only the data points with inorganic particle mass
fractionoflessthan0.3areshown.
Mass fraction of SVOA_PMF
1
Mass fraction of SVOA_VTDMA
1
0.9
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Mass fraction of LVOA+ELVOA_VTDMA
0
25
30
Y = 2.56 * X - 0.69
R = 0.15
0.8
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.6
∆HVAP from Eq.3
Fitting line
1:1 line
0.7
0.8
0.9
1
Mass fraction of SVOA_PMF
0.8
0.9
1
1
0.9
0.8
0.7
Y = 2.56 * X - 0.87
R = 0.15
0.6
0.5
0.4
0.3
0.2
0.1
0
0
0.1
0.2
0.3
0.4
0.5
Mass fraction of LVOA_PMF
FigureS2:MassfractionsofSVOAandLVOAofthetotalorganicmassobtained
fromVTDMAdatavs.theonesfromthePMFanalysis.C*-dependentΔHvapvalues
based on Eq. 3 were used as the input for the kinetic model. Correlation
coefficient and equation for the line fitted to the data points to describe the
agreement between the VTDMA- and PMF-derived organic mass fractions are
alsogiven.
2
Inorganics mass
fraction
∆H VAP = [100 80 60] kJ/mol
1
40
45
50
55
60
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.7
0.6
0.6
0.5
0.5
0.4
0.4
0.3
0.3
0
0.6
0.8
1
0.2
0.2
0
0.4
0.8
0.7
0.1
0.2
0.9
R = 0.44
0.8
0.1
0
1
Y = 1.21 * X - 0.31
0.9
Mass fraction of LVOA_model
Mass fraction of SVOA_model
0.9
35
1
Y = 1.21 * X + 0.10
R = 0.44
Fitting line
1:1 line
0
0.2
0.4
0.6
0.8
0.1
1
0
FigureS3:MassfractionsofSVOAandLVOAofthetotalorganicmassobtained
fromVTDMAvs.thePMFanalysis.ModelresultswereobtainedbyusingΔHVAP
valuesas[1008060]KJ/mol(Table2).NotethatmassfractionofLVOA_model
means here the sum of LVOA and ELVOA mass fractions obtained from the
VTDMAdata.Thecolorsofthedatapointsillustratetheparticleinorganicmass
fraction.Correlationcoefficientandequationforthelinefittedtothedatapoints
arealsogiven.
Mass fraction of SVOA_PMF
3
Mass fraction of LVOA_PMF