Abstract
Sulfate aerosols as acidic as H//2SO//4 may exist in the atmosphere because of insufficient NH//3 being present or because of rate limitations in the neutralization by NH//3. Such limitations may be due to organic material coating the surface of sulfuric acid droplets, as hypothetically assumed by Junge and Scheich in 1969. Compounds such as long chain alcohols or fatty acids, present in contaminated air are known to form surface films which retard e. g. the transport of water molecules into our out of a droplet. In a first study Niessner (1984) has demonstrated the possibility of preserving acid functions of an aerosol by a microencapsulation technique. The aim of this work was to study the influence of well defined n-hexadecanol coatings on the rate of neutralization of sulfuric acid droplets by ammonia at different relative humidities.
| Original language | English |
|---|---|
| Pages | 894-897 |
| Number of pages | 4 |
| State | Published - 1986 |
| Externally published | Yes |