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Carbonate formation in non-aqueous environments by solid-gas carbonation of silicates

Published online by Cambridge University Press:  13 February 2013

S.J. Day ,
S.P. Thompson ,
A. Evans  and
J.E. Parker
S.J. Day
Affiliation:
Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK Diamond Light Source, Harwell Campus, Didcot, Oxon OX11 0DE, UK
S.P. Thompson
Affiliation:
Diamond Light Source, Harwell Campus, Didcot, Oxon OX11 0DE, UK
A. Evans
Affiliation:
Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK
J.E. Parker
Affiliation:
Diamond Light Source, Harwell Campus, Didcot, Oxon OX11 0DE, UK

Abstract

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We have produced synthetic analogues of cosmic silicates using the Sol Gel method, producing amorphous silicates of composition Mg(x)Ca(1−x)SiO3. Using synchrotron X-ray powder diffraction on Beamline I11 at the Diamond Light Source, together with a newly-commissioned gas cell, real-time powder diffraction scans have been taken of a range of silicates exposed to CO2 under non-ambient conditions. The SXPD is complemented by other techniques including Raman and Infrared Spectroscopy and SEM imaging.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 58: ECLA - European Conference on Laboratory Astrophysics , 2012 , pp. 369 - 372
Copyright
© The Author(s) 2013

References

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