NONARRENIUS BEHAVIOR OF CERTAIN HYDRATES OF POTASSIUM HYDROXIDE, INDIVIDUAL ALKALI
Fig.1.
Fig.1 Different types of the presentation the same data from [3] on the conductivity of Cs2(HSO4)(H2PO4) vs temperature: Vogel-Tamman- Fulcher (black dot curve) and traditional approach for physics of unordered system (red line).
Fig.2
Fig.2 Special presentation the data on the conductivity of crystalline hydrates of potassium hydroxide in the form as well monohydrate as dihydrate of deuterated compounds. Isotopic effect is not discussed here. In insert: the more frequently used presentation are shown in the framework of this thesises. Ln-ln mastab allows to indicate the power law parameter.
Fig. 3
Fig.4
Fig.3 (left) and Fig.4 (right) show different forms of the presentation of the conductivity in solid individual hydroxides (NaOH left, KOH right) at temperature below approximately 500 K, i.d. phase transformations into superionic states. [8,11]. For both materials there are remarkable deviation from simple Arrenius’s form and possible using presentation based on physical theories on disoredered materials. For NaOH there is couple of interesting phenomena: 1)evident difference Arrenius’s law (insert) and power law and 2) different temperature run of conductivity (red circles) and self – diffusion of proton measured by isotopic method (blue points). The same difference take place for KOH, (but not shown here). For KOH is most interesting the strong peaks at 360 K [11] accompanied by slow relaxation of another physic-chemical properties.
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Nonarrenius behavior of certain hydrates of potassium hydroxide, individual alkali