Award Abstract # 0424946
RUI: Spectroscopic Studies on the Heterogeneous Chemistry of Model Mineral Aerosol Compounds

NSF Org: AGS
Division of Atmospheric and Geospace Sciences
Recipient: SARAH LAWRENCE COLLEGE
Initial Amendment Date: July 14, 2004
Latest Amendment Date: July 24, 2006
Award Number: 0424946
Award Instrument: Continuing Grant
Program Manager: Anne-Marie Schmoltner
AGS
 Division of Atmospheric and Geospace Sciences
GEO
 Directorate for Geosciences
Start Date: October 1, 2004
End Date: September 30, 2007 (Estimated)
Total Intended Award Amount: $282,104.00
Total Awarded Amount to Date: $282,104.00
Funds Obligated to Date: FY 2004 = $136,813.00
FY 2005 = $87,165.00

FY 2006 = $58,126.00
History of Investigator:
  • Ryan Hinrichs (Principal Investigator)
    rhinrich@drew.edu
Recipient Sponsored Research Office: Sarah Lawrence College
1 MEAD WAY
BRONXVILLE
NY  US  10708-5999
(914)337-0700
Sponsor Congressional District: 16
Primary Place of Performance: Sarah Lawrence College
1 MEAD WAY
BRONXVILLE
NY  US  10708-5999
Primary Place of Performance
Congressional District:
16
Unique Entity Identifier (UEI): TRLPXSJJDKQ7
Parent UEI:
NSF Program(s): Atmospheric Chemistry
Primary Program Source: app-0104 
app-0105 

app-0106 
Program Reference Code(s): 9178, 9229, SMET
Program Element Code(s): 152400
Award Agency Code: 4900
Fund Agency Code: 4900
Assistance Listing Number(s): 47.050

ABSTRACT

This project involves laboratory investigations of the mechanisms of selected heterogeneous reactions on surfaces selected as surrogates for atmospheric mineral aerosols. Studies will be performed as a function of relative humidity to quantify the effect of water vapor on the adsorption and reaction rates and mechanisms. A variety of analytical techniques will be employed to measure the uptake of gaseous species and identify the absorbed intermediate compounds. Isotopic labeling will be used as an additional tool to verify reaction pathways.

This research project will entrain a number of undergraduate students at this RUI (Research at an Undergraduate) Institution. This will be the institution's first summer research program in chemistry. Since the population of the university is predominately female, it is likely that this project will provide a supportive research environment for a number of female students, and thereby increase interest in the chemical sciences, where they are underrepresented. The equipment acquisitions will lead to improved instrumental infrastructure in the chemistry department.

PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH

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Angelini, M.M.; Garrard, R.J.; Rosen, S.J.; Hinrichs, R.Z. "Heterogeneous Reactions of Gaseous HNO3 and NO2 on the Clay Minerals Kaolinite and Pyrophyllite" The Journal of Physical Chemistry A , v.111 , 2007 , p.3326 10.1021/jp0672656
Bramante, J.; Hinrichs, R.Z.; Brown, E.C.; Calvin, S. "Exploration of heterogeneous chemistry in model atmospheric particles using extended X-ray absorption fine structure analysis" Atmospheric Environment , v.41 , 2007 , p.7649 10.1016/j.atmosenv.2007.08.047

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