February 21, 2017

Homework Help: science(chemistry)

Posted by ~christina~ on Friday, April 24, 2009 at 10:32pm.

I have a question about TLC plate solvents. What solvents will leave stains on a plate with a TLC plate out of the ones below and why?)

(n-Octane, n-Hexane, Decane, Acetone, 1-Propanol, 2-Propanol, Ethanol, Toluene, Cyclohexane, Methanol, n-Heptane, n-Pentane, Butanol)

I saw 2 spots on the TLC plate I ran and was told that they could leave spots..so I was going to evaporate off the solvent and then use my own solvent to dissolve the compound but wasn't sure on which one would not leave a spot. (so I could know whether the second spot was a compound or not)

Thank you

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