A few days ago
A pharmaceutical chemist runs a ……? help?
A pharmaceutical chemist runs a chromatography test on a substance and identifies two of its components by comparing their Rf values against certain standards. If the two components have Rf values of 1.0 and 0.41 and the solvent front has traveled 12.0 cm from the samples origin, what is the separation distance on the chromatogram??
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A few days ago
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Here’s a good hint for you…scroll down to the bottom of the page.
http://jchemed.chem.wisc.edu/JCESoft/Programs/CPL/Sample/modules/paprchrom/paprchrominterp.htm
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