The present monograph is the first systematic study of the non-linear characteristic of gel oxy-hydrate systems involving d- and f- elements.

These are the oxyhydrates of rare-earth elements and oxides – hydroxides of d- elements. The non-linearity of these gel systems introduces fundamental peculiarities into their structure and, consequently, their properties.

The polymer-conformational diversity of energetically congenial gel fragments, which continu-ously transform under the effect of, for instance, system dissipation heat, is central to the au-thor’s hypothesis of the oscillatory–periodic occurrence (motion) of gel structures; even in the air-dry state.

This theory permits the accurate description of many of the observed properties of gel oxyhydrate systems, and the prediction of new ones.

Also analyzed is the effect of various fields upon the polymer structures of oxyhydrates with the aim of, for instance, enhancing their sorption capacity and reproducibility.

Nonlinearity of Colloid Systems will be particularly interesting for scientists and for students majoring in chemistry, physics or engineering; as well as for anybody who may be interested in the physical and chemi-cal problems of non-equilibrium processes.

Contents

1. Genesis of Gel Oxyhydrate Systems of d- and f-Elements In The Course of their Formation Second Section''s Title
2. Periodic Phenomena of the Organization of Gel Oxyhydrate Systems
3. Dilatancy Effect as a Specific Property of Periodicity of Gel Oxyhydrates
4. Liesegang Operator as a Reflection of Nonlinear Properties of Oxyhydrate Gel Systems
5. Mesophase-Like Behaviour of Gel Systems
6. The Chromatic Effect of Some Oxyhydrate Gels
7. Experimental Studies of Optical Properties of Gels. Observed Chromatic Effect
8. The Phisico-Chemical Nature of Polarisation of Living Gels of Heavy Metals Oxyhydrates
9. The Influence of Electric, Magnetic and Electromagnetic Fields on the Structurization Processes of Yttrium Oxyhydrate
10. Nonlinear Sorption Properties of Oxyhydrate
11. Quantum Chemical Study of the Structural Models of Zirconium Oxyhydrate
12. In Place of a Conclusion

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