Talk:Ion exchange

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I added an external link to a nice chemistry lab practical from Dartmouth College website which does a good job of explaining the phenomena of ion exhange and how to carry out a practical investigation --Malangthon 00:29, 14 July 2006 (UTC)

I do not agree with importance of "twin bed ion exchange reactors" to be included in this article. I think, "twin bed" is rather a market name. There is no particular reason to emphasize a two-column system. More number of columns in the system give cleaner water. I do not remove the term from the article but I would invite a discussion here Y2000 19:55, 30 June 2007 (UTC)