Cited by 35Groundwater and Isotope GeochemistryCO2 Sequestration and Geologic InteractionsAtmospheric and Environmental Gas Dynamics

13C/12C partitioning and kinetics of CO2 absorption by hydroxide buffer solutions

Usdowski, E., Hoefs, J.·1986·Earth and Planetary Science Letters

Integrity signals

Registry

Crossref · 10.1016/0012-821x(86)90025-7

Cites

13 of 13 references verified0 citation errors · 0 not checkable

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  • Kinetic fractionation through aqueous carbonate speciation can become dominant and result in a δ13C depletion of -10 to -19‰ for hyper alkaline solutions.

    “Specifically, kinetic fractionation through aqueous carbonate speciation (deprotonation of CO2(aq) to HCO3 -or CO 3 2) can become dominant and result in a 𝛿 ¹³C depletion of -10 to -19 ‰ for hyper alkaline solutions [46 -49].”
  • The similarity between the CO2 flux measured at pH 10 by Usdowski and Hoefs (1986) and our growth rate estimates for samples precipitated at pH >10 suggests that Ca-carbonate floe precipitation and uptake of atmospheric CO2 are coupled.

    “The similarity between this value at pH 10 and our growth rate estimates for samples precipitated at pH > 10 suggests that Ca-carbonate floe precipitation and uptake of atmospheric CO2 are coupled”
  • For carbon isotopes, laboratory experiments suggest a KFF between -13.7 ±0.1‰ and -17.2 ±0.6‰.

    “For carbon isotopes, laboratory experiments suggest a KFF between -13.7 ±0.1‰ and -17.2 ±0.6‰ (Table 7, Fig. 13a, Craig, 1953; Usdowski and Hoefs, 1986; Clark et al., 1992; Dietzel et al., 2009; Böttcher et al., 2018)”

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Authors
Usdowski, E., & Hoefs, J.
Affiliations
University of Göttingen (DE)
Venue
Earth and Planetary Science Letters
Publisher
Elsevier BV
Published
1986-10
Volume
80
Issue
1-2
Pages
130-134
ISSN
0012-821X (ISSN-L)
OpenAlex
W1993539623
Cited by
35
References
13
Citations by year
2026: 1 · 2022: 1 · 2021: 4 · 2018: 3 · 2017: 1 · 2015: 1 · 2013: 2 · 2012: 3
FWCI
0.54
Type
journal article
Language
en
Open access
closed
Locations
Earth and Planetary Science Letters (publishedVersion)
Funders
Deutsche Forschungsgemeinschaft
Topics
  • Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Groundwater and Isotope Geochemistry
  • Physical Sciences › Environmental Science › Environmental Engineering › CO2 Sequestration and Geologic Interactions
  • Physical Sciences › Environmental Science › Global and Planetary Change › Atmospheric and Environmental Gas Dynamics
Keywords
CO2 absorption kinetics, stable carbon isotopes, borate buffer, barium hydroxide, barium carbonate precipitation, dissolved carbonate, CO2 diffusion, sample concentration

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