Aerosol Complex Refractive indices m=p-iq
H2SO4/H2O solutions
T=300K

 
Real indices p
# entries
Spectral range (micron)
Concentration by weight (%)*
  2010 
  2.1273- 12.1126 
72.0%
  2010 
  2.1273- 12.1126 
75.0%
  2010 
  2.1273- 12.1126 
85.0%

 
Imaginary indices q
# entries
Spectral range (micron)
Concentration by weight (%)*
  1934 
  2.1273- 12.1126 
72.0%
  1963 
  2.1273- 12.1126 
75.0%
  1955 
  2.1422- 12.1126 
85.0%

 
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Reference: 

Niedziela, R. F., M. L. Norman, C. L. deForest, R. E. Miller, and D. R. Worsnop, "A Temperature and  Composition-Dependent Study of H2SO4 Aerosol Optical Constants Using Fourier Transform and Tunable Diode Laser Infrared Spectroscopy", J. Phys. Chem., A, vol.103, 8030-8040 (1999).