The original clinoptilolite, NH4-form, K-form, and
Na-form of clinoptilolite were determined to take 74.0,
84.3, 86.6, and 120.7 mg Ag+/g clinoptilolite, respectively.
The good exchangeability of silver ions into zeolite
can be explained by the high polarizability of silver
ions. The electrostatic charge of zeolite lattice is capable
of polarizing silver ions so that they become dipoles
directing their positively charged end to the lattice Hagiwara et al