Revisiting NH₄⁺–Na⁺ cation exchange selectivity on smectites: Implications for ammonium/ammonia distribution and speciation in icy planetesimals, Ceres, and Enceladus

Name: Revisiting NH₄⁺–Na⁺ cation exchange selectivity on smectites: Implications for ammonium/ammonia distribution and speciation in icy planetesimals, Ceres, and Enceladus
Creator: Keisuke Fukushi
Published: 2025-05-27T14:51:56.602Z
Keywords: Aqueous Geochemistry, Clay Mineral

Fukushi, Keisuke

doi:10.17632/mkf3rh7bx5.1

Revisiting NH₄⁺–Na⁺ cation exchange selectivity on smectites: Implications for ammonium/ammonia distribution and speciation in icy planetesimals, Ceres, and Enceladus

Published: 27 May 2025| Version 1 | DOI: 10.17632/mkf3rh7bx5.1

Contributor:

Keisuke Fukushi

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Data for an experimental dataset for the cation exchange reaction of NH₄⁺ on Na smectites (montmorillonite and saponite) and the results of speciation modeling using the determined selectivity coefficients.

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Kanazawa Daigaku

Revisiting NH₄⁺–Na⁺ cation exchange selectivity on smectites: Implications for ammonium/ammonia distribution and speciation in icy planetesimals, Ceres, and Enceladus

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