Paper Chromatography uses cellulose as the stationary phase. Mixtures of inks or even sugars will partition between the stationary phase and the mobile phase (eluent). Mobile phases can be water, alcohol, propanone etc. Retention factor (Rf) values can be used to determine the components of the mixture. Rf = distance moved by component in mixture divided by distance moved vertically by eluent from base line TLC is used to separate biological mixtures (eg amino acids). The stationary phase here is alumina or silica.
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cindyewilliams

11 years ago
4

LIKE THE COLUMN CHROMATOGRAPHY DEMO - SAVES A LOT OF CLASS TIME

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