Chromatography

Why is chromatography so useful for analysis of mixtures in Chemistry and Biochemistry? You can learn visiting the following sites:

http://www.rpi.edu/dept/chem-eng/Biotech-Environ/CHROMO/chromintro.html

How to prepare your sample for microscale flash column chromatography:

http://orgchem.colorado.edu/hndbksupport/colchrom/colchromprocmicroflash.html