Geochemistry and cosmochemistry of potassium stable isotopes

K Wang, W Li, S Li, Z Tian, P Koefoed, XY Zheng - Geochemistry, 2021 - Elsevier
Stable potassium isotopes are one of the emerging non-traditional isotope systems enabled
in recent years by the advance of Multi-Collector Inductively-Coupled-Plasma Mass …

Potassium and its isotope behaviour during chemical weathering in a tropical catchment affected by evaporite dissolution

X Li, G Han, M Liu, J Liu, Q Zhang, R Qu - Geochimica et cosmochimica …, 2022 - Elsevier
This work presents the systematic investigation of K contents and stable K isotopic
compositions of surface waters, groundwater, wastewaters, suspended particles, bed …

Hydrological control of river and seawater lithium isotopes

F Zhang, M Dellinger, RG Hilton, J Yu, MB Allen… - Nature …, 2022 - nature.com
Seawater lithium isotopes (δ7Li) record changes over Earth history, including a∼ 9‰
increase during the Cenozoic interpreted as reflecting either a change in continental silicate …

Lithium isotope fractionation during the weathering of granite: Responses to pH

G Zhu, J Ma, G Wei, L Zhang, Z Wang, Z Zhang… - … et Cosmochimica Acta, 2023 - Elsevier
The weathering of silicate rock is a major sink of atmospheric CO 2 in the global carbon
cycle and thus controls global climate change. Lithium (Li) isotopes are considered to be a …

Potassium isotopic fractionation during clay adsorption

W Li, XM Liu, Y Hu, FZ Teng, Y Hu - Geochimica et Cosmochimica Acta, 2021 - Elsevier
Clay adsorption is a critical process responsible for the mobilization and cycling of
potassium (K) on Earth's surface. Recent studies emphasized the potential of using stable K …

Potassium isotopic fractionation in a humid and an arid soil–plant system in Hawai 'i

W Li, XM Liu, Y Hu, FZ Teng, YF Hu, OA Chadwick - Geoderma, 2021 - Elsevier
Plants play a critical role in the cycling of potassium (K) and the fractionation of its isotopes.
However, little is known about K stable isotopic compositions in natural soil–plant systems …

Potassium isotope signatures in modern marine sediments: Insights into early diagenesis

W Li, XM Liu, K Wang, J McManus, BA Haley… - Earth and Planetary …, 2022 - Elsevier
The sedimentary fluxes controlling potassium (K) budget of the oceans and the isotope
composition of K (δ 41 K) potentially yield valuable information about the global K cycling …

Potassium isotopic composition of low-temperature altered oceanic crust and its impact on the global K cycle

H Liu, YY Xue, G Zhang, WD Sun, Z Tian… - … et Cosmochimica Acta, 2021 - Elsevier
To constrain the behavior of K isotopes during the low-temperature alteration of oceanic
crust and reveal its impact on the global K cycle, we measured the K isotopic compositions …

High precision analysis of stable potassium (K) isotopes by the collision cell MC-ICP-MS “Sapphire” and a correction method for concentration mismatch

XY Zheng, XY Chen, W Ding, Y Zhang… - Journal of Analytical …, 2022 - pubs.rsc.org
Stable potassium (K) isotopes (41K/39K) have shown great promise as novel chemical
tracers for a wide range of bio-, geo-, and cosmo-chemical processes, but high precision …

[HTML][HTML] Lithium isotopes in water and regolith in a deep weathering profile reveal imbalances in Critical Zone fluxes

D Cai, MJ Henehan, D Uhlig… - … et Cosmochimica Acta, 2024 - Elsevier
Abstract To trace Critical Zone processes and to quantify Li fluxes from one Critical Zone
compartment into another, we investigated the Li concentration and isotopic composition (δ …