TLC

Steps 12-14

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Steps 12-14		General Instructions
Step 12		To measure Rf values, first draw a line across the origin.......
Step 13		............then measure distances to the solvent front and the "center of gravity" of the individual spots.
Step 14	©2001,2002 Daniel A. Straus	Store the plates in your locker until the report is returned.  (The plates will be sketched, rather than handed in with the reports.)

Go forward to steps 15 & 16 [OPTIONAL]