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Please use this identifier to cite or link to this item: http://apo.ansto.gov.au/dspace/handle/10238/7620

Title: Phase relations between the water-rich sulfuric acid hydrates, potential markers of thermal history on Jupiter’s icy moons
Authors: Maynard-Casely, HE
Brand, HEA
Wallwork, KS
Keywords: SYNCHROTRONS
X-RAY DIFFRACTION
ICES PROGRAM
MINERALOGY
SATELLITES
JUPITER PLANET
Issue Date: Aug-2014
Publisher: Elsevier
Citation: Maynard-Casely, H. E., Brand, H. E. A., & Wallwork, K. S. (2014). Phase relations between the water-rich sulfuric acid hydrates, potential markers of thermal history on Jupiter’s icy moons. Icarus, 238(0), 59-65. doi: http://dx.doi.org/10.1016/j.icarus.2014.04.012
Abstract: Synchrotron X-ray powder diffraction has been used to explore the water-rich (<50 wt.% H2SO4) region of the sulfuric acid and water binary phase diagram at temperatures between 80 and 285 K. The phase relations that are determined demonstrate that, on laboratory timescales, sulfuric acid hydrates crystallize as mixtures of phases. Four forms of sulfuric acid hydrates were observed along with ice Ih, with their proportions dependent on temperature and sample H2SO4 wt.%. The charting of these phase relations has revealed a transformation between hydrate forms, which could be utilized as a marker for areas of higher heat flow on the surfaces of the Galilean ice moons. © 2014, Published by Elsevier Inc.
URI: http://dx.doi.org/10.1016/j.icarus.2014.04.012
http://apo.ansto.gov.au/dspace/handle/10238/7620
ISSN: 0019-1035
Appears in Collections:Journal Articles

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