Comparison of Methods of Permanent Charge Measurement in Montmorillonite and Illite
2004
Lee, S.R. (Korea University, Seoul, Republic of Korea) | Ok, Y.S. (Kangwon National University, Chunchon, Republic of Korea) | Choi, Y.S. (Korea University, Seoul, Republic of Korea) | Lim, S.K. (Korea University, Seoul, Republic of Korea) | Kim, J.G. (Korea University, Seoul, Republic of Korea), E-mail: [email protected]
Though diverse methods have been developed to characterize surface charge of soils and pure minerals, there is not still a reliable and rapid method for differentiating permanent chargeDe from variable charge. Thus, it is needed to find out a reasonable method for measuring permanent and pH-dependent charge of soils. In this study various methods such as Cs-adsorption method, Hybrid model, NH₄+ adsorption method and theoretical calculation of lattice charage were applied to measure permanent charge of montmorillonite and illite.
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