Heterogeneous Reactions on Mineral Dust: Surface Reactions of Sulfur Dioxide, Ozone, Nitric and Acetic Acid on Oxide and Carbonate Particles

Speaker(s): 
Date: 
June 14, 2002 - 12:00pm
Location: 
Bldg. 90

'It has become increasingly clear that the surfaces of all kinds of atmospherically abundant particles- for instance, ice, soot, sulfuric acid, and salt- catalyze and promote reactions that perturb the composition of the atmosphere.  While there is a growing body of evidence that suggests that reactions on mineral aerosol may play an important role in the troposphere, there is very little understanding of what chemistry occurs on the surface of these particles. The focus of this talk is on recent laboratory studies of surface reactions of trace atmospheric gases on oxide and carbonate particles.  These particles are used as laboratory surrogates for mineral aerosol.  Spectroscopic and kinetic measurements are made of potentially important surface reactions in the atmosphere so as to gain insight into the mechanism of reactions of trace atmospheric gases on mineral aerosol and to quantify the rates of these reactions. The kinetic data are used as input into atmospheric chemistry models in order to assess the importance of these surface reactions in the troposphere.

Add event to Google Calendar

Announcement List

To be added to our seminar annoucement list please, email the ETA Seminars Team. Seminars can change witout noticed, the best way to stay informed is to join our seminar email list. 

Site Access

For site access please email your request to etaseminars@lbl.gov. To arrive at Building 90 via the LBNL shuttle, take "Blue Uphill". Click here for the shuttle schedule. To ensure your site access is set-up send your request 36 hours in advance of the seminar.

Remote Access

Not able to attend in person? Remote participants can use ReadyTalk Audio & Net conference to phone in to listen, while viewing the presentation via the ReadyTalk site.

Web Access Code: 4864835

USA & Canada call-in number:
1 (866) 740-1260
Access Code: 4864835#

International callers:
Please visit this website to see if a toll-free call-in number is available for your international location.

If not, you will need to pay for the call yourself and use this phone number:

(303) 248-0285.