The definition and some characteristic concepts regarding organic ion exchangers are pointed out. The development of these ion exchangers, beginning with chemically modified natural products and continuing with the synthetic ones, is further presented. A classification of organic ion exchangers is proposed according to several criteria, such as the synthesis method, morphology of the three-dimensional network, their physical shape and the nature of their functional groups.

Of the general characteristics of organic ion exchangers only the exchange capacity and selectivity are briefly discussed.

Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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