Chemistry Lab Lecture notes

Chemistry Lab Lecture notes - o Dyes have different...

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Chemistry Lab Lecture notes: Chromatography: Gas, Liquid, and Paper Chromatography - Gas Chromatography is used to separate petrochemicals (e.g. as in crude oil) - Liquid Chromatography (a.k.a. High Performance Chromatography) for more complex, volatile, chemicals - Separations are based on the preferential attraction of the components of a mixture for either a stationary or mobile phase
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Unformatted text preview: o Dyes have different affinities for either the stationary of mobile phase, and thus travel differently along the page-In particular, the affinity, or attraction, of components for each of a mobile phase (liquid or gas) and a stationary phase (a solid) -Retention factor Rf (R sub f) = Distance traveled by “A”-Distance traveled by solvent-...
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