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CH3041
ON-LINE LECTURE 3
AEROSOL: solid or liquid particles < 100 mm
 which remain suspended in the atmosphere
 Classification according to Type:
• Organic Carbon Aerosols (OC aerosols)
      low volatility acids, alcohols, aromatics
      esp. dicarboxylic acids, fatty acids.
   bushfires ® [black carbon BC (elemental)]
                    levoglucosan (modified glucose)
      biological - viruses, spores, pollen
• Inorganic Aerosols
    dust      - from wind blown erosion
                  - from volcanoes eg Mt Pinatubo
    sea sulphate - from wind blown sea spray
  H2SO4(aer.) + NaCl(aer.) ® HCl(g) + NaHSO4(aer.)