Comment on The experimental determination of hydromagnesite precipitation rates at 22.5-75°C by Berninger, U.-N., Jordan, G., Schott, J. and Oelkers, EH

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dc.contributor.authorXiong, Yongliang
dc.contributor.authorCetiner, Ziya
dc.date.accessioned2025-01-27T21:19:19Z
dc.date.available2025-01-27T21:19:19Z
dc.date.issued2017
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIn this work, we tested the equilibrium constant of hydromagnesite [Mg-5(CO3)(4)(OH)(2) center dot 4H(2)O] at 22.5 degrees C proposed by Berninger et al. (2014) against field observations. By field observations we mean that analytical results originate from samples in the natural environment. In our test, we calculated saturation states of hydromagnesite, using the equilibrium constant of hydromagnesite at 22.5 degrees C from Berninger et al., for the carbonate lakes in Qinghai-Xizang Plateau in China and for Salda Lake in Turkey, based on the hydrochemical data from literature. The predictions based on this equilibrium constant indicate that all of these lakes are strongly under-saturated with respect to hydromagnesite. However, hydromagnesite has been shown to form in all of these lakes. Therefore, this equilibrium constant is clearly in direct contradiction with field observations, leading to the conclusion that the equilibrium constant of hydromagnesite of Berninger et al. (2014) is not suitable for geochemical modelling.
dc.description.sponsorshipU.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]; WIPP programs [SAND2016-7691J]
dc.description.sponsorshipSandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. This research is funded by WIPP programs administered by the Office of Environmental Management (EM) of the U.S. Department of Energy. SAND2016-7691J. The authors would like to thank Dr. PeterWilliams, the journal Principal Editor, for his consideration of this comment. The authors also thank the journal reviewers for their comments, and Dr. Karen Hudson-Edwards, the Associate Editor, for her time.
dc.identifier.doi10.1180/minmag.2017.081.019
dc.identifier.endpage693
dc.identifier.issn0026-461X
dc.identifier.issn1471-8022
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85021057063
dc.identifier.scopusqualityQ2
dc.identifier.startpage689
dc.identifier.urihttps://doi.org/10.1180/minmag.2017.081.019
dc.identifier.urihttps://hdl.handle.net/20.500.12428/28543
dc.identifier.volume81
dc.identifier.wosWOS:000404511500019
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherMineralogical Soc
dc.relation.ispartofMineralogical Magazine
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjecthydromagnesite precipitation
dc.subjectQinghai-Xizang Plateau
dc.subjectChina
dc.subjectBerninger
dc.subjectSalda Lake
dc.subjectTurkey
dc.titleComment on The experimental determination of hydromagnesite precipitation rates at 22.5-75°C by Berninger, U.-N., Jordan, G., Schott, J. and Oelkers, EH
dc.typeArticle

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