Supplementary material for Rose et al. (2008)
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File Ds_Sc_NH42SO4.txt

- critical supersaturations calculated for dry solute particle mass equivalent diameters of 20-200 nm using different Kohler models as listed in Tab. 3 of Rose et al. (2008)
- substance: (NH4)2SO4
- temperature: 298.15 K

- column 1: dry solute particle diameter (D_s)
- columns 2-20: critical supersaturations (S_c) for the different Kohler models named in line 1 (cf. Tab. 3, Rose et al., 2008)

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File Ds_Sc_NaCl.txt

- critical supersaturations calculated for dry solute particle mass equivalent diameters of 20-200 nm using different Kohler models as listed in Tab. 3 of Rose et al. (2008)
- substance: NaCl
- temperature: 298.15 K

- column 1: dry solute particle diameter (D_s)
- columns 2-14: critical supersaturations (S_c) for the different Kohler models named in line 1 (cf. Tab. 3, Rose et al., 2008)

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File aw_mus_NH42SO4_AIM.txt

- water activity vs. solution molality calculated with the online Aerosol Inorganics Model (AIM, Clegg et al., 1998a), http://www.aim.env.uea.ac.uk/aim/aim.html, Model II, 11 Dec 2007
- substance: (NH4)2SO4
- temperature: 298.15 K

- column 1: water activity (a_w)
- column 2: solution molality (mu_s)

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File aw_mus_NaCl_AIM.txt

- water activity vs. solution molality calculated with the online Aerosol Inorganics Model (AIM, Clegg et al., 1998b), http://www.aim.env.uea.ac.uk/aim/aim.html, Model III, 11 Dec 2007
- substance: NaCl
- temperature: 298.15 K

- column 1: water activity (a_w)
- column 2: solution molality (mu_s)

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References:

Clegg S. L., Brimblecombe P., and Wexler A. S.: A thermodynamic model of the system H+  NH4+  SO42-  NO3-  H2O at tropospheric temperatures, J. Phys. Chem. A, 102, 21372154, 1998a.

Clegg, S. L., Brimblecombe P., and Wexler A. S.: A thermodynamic model of the system H+  NH4+  Na+  SO42-  NO3-  Cl-  H2O at 298.15 K, J. Phys. Chem. A, 102, 2155-2171, 1998b.

Rose, D., Gunthe, S. S., Mikhailov, E., Frank, G. P., Dusek, U., Andreae, M.O., and Poschl, U.: Calibration and measurement uncertainties of a continuous-flow cloud condensation nuclei counter (DMTCCNC): CCN activation of ammonium sulfate and sodium chloride aerosol particles in theory and experiment, ACP, 8, xxx-xxx, 2008.