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Details of Award

NERC Reference : NE/B000168/1

A Fourier transform microwave spectrometer for laboratory investigations of atmospheric relevance

Grant Award

Principal Investigator:
Professor SH Ashworth, University of East Anglia, Chemistry
Co-Investigator:
Professor JMC Plane, University of Leeds, Sch of Chemistry
Science Area:
Marine
Atmospheric
Overall Classification:
Atmospheric
ENRIs:
Global Change
Environmental Risks and Hazards
Science Topics:
Upper Atmos Process & Geospace
Atmospheric Kinetics
Tropospheric Processes
Ocean - Atmosphere Interact.
Abstract:
All substances have characteristic wavelengths of light which they absorb. These wavelengths act as a fingerprint for the substances in question. In addition the amount of light absorbed is related to the amount of substance present. If the absorbed light is in the microwave region the light energy is turned into rotational motion of the absorbing molecule. This has two important consequences. First, the detailed pattern of absorptions can tell us about the structure of the molecule and in many cases what the average shape is. Second, the absorptions are very well defined which means that even if other molecules absorb nearby, the chance of two absorptions overlapping is very small. Broad overlapping absorptions can often be a problem when working at other wavelengths. We propose to build an instrument which will be used to measure the wavelengths at which atmospherically important molecules absorb microwaves and to measure their dipole moments. This information will enable us to determine the shape and therefore identity of our target molecule and the superior selectivity of this technique will enable us to monitor the products of atmospheric reactions in laboratory kinetic studies.
Period of Award:
1 Nov 2004 - 30 Apr 2007
Value:
£278,157
Authorised funds only
NERC Reference:
NE/B000168/1
Grant Stage:
Completed
Scheme:
Capital Equipment Pre FEC
Grant Status:
Closed

This grant award has a total value of £278,157  

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FDAB - Financial Details (Award breakdown by headings)

Total - StaffTotal - Other CostsTotal - Indirect CostsTotal - Equipment
£48,929£12,021£22,506£194,701

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