Ion Exchangers

A few ion exchangers derived from cellulose or resinous backbones are available for traditional ion exchange separations. Obviously, these layers are used for separations of ionic compounds, from pharmaceuticals to inorganic salts. These can be found with both weak and strong exchange sites. Ion exchange cellulose layers include diethylaminoethyl (DEAE, a strongly basic anion exchanger), ECTEOLA (treating alkali cellulose with epichlorohydrin and triethanolamine, a weakly basic anion exchanger), PEI (impregnating cellulose with polyethyleneimine, a strongly basic anion exchanger). The PEI cellulose is widely used to separate nucleic acid derivatives. The resinous layers include the SA (strongly acidic cation exchanger) or the SB (strongly basic anion exchanger). Researchers with an interest in reading more about these and their possible separations should consult the texts in Further Reading.

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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