February 27, 2017

Homework Help: Chemistry

Posted by Jeannie on Friday, September 26, 2008 at 12:02am.

How can I tell which of two mobile phases is more polar? Does the fact that one solvent (e.g. isopropanol/ammonia) moves up the TLC plate slower than another solvent (e.g. hexane/ethyl acetate/ethanol)?
Or should I look at how far up the dyes have moved?

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