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Solubilities of noble gases in magnetite - Implications for planetary gases in meteorites.Solubilities of noble gases in magnetite were determined by growing magnetite in a noble-gas atmosphere between 450 and 700 K. Henry's law is obeyed at pressures up to .01 atm for He, Ne, Ar and up to .00001 atm for Kr, Xe, with the following distribution coefficients at 500 K: He 0.042, Ne 0.016, Ar 3.6, Kr 1.3, Xe 0.88, some 100 to 100,000 times higher than previous determinations on silicate and fluoride melts. Apparent heats of solution are in sharp contrast with earlier determinations on melts which were small and positive, but are comparable to the values for clathrates. Presumably the gases are held in anion vacancies.
Document ID
19730044380
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Lancet, M. S.
Anders, E.
(Chicago, University Chicago, Ill., United States)
Date Acquired
August 7, 2013
Publication Date
May 1, 1973
Publication Information
Publication: Geochimica et Cosmochimica Acta
Volume: 37
Subject Category
Space Sciences
Accession Number
73A29182
Funding Number(s)
CONTRACT_GRANT: NGL-14-001-010
CONTRACT_GRANT: NGR-14-001-203
Distribution Limits
Public
Copyright
Other

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