Kool_Chromatography.pdf - Page |1 THIN LAYER CHROMATOGRAPHY...

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P a g e | 1 Kool Chromatography -Revised Friday, October 19, 2012 hp THIN LAYER CHROMATOGRAPHY- TLC GREEN LAB Students work in teams of four CCO SATISFIED Chromatography IMPORTANT TECHNIQUES Analysis- quantitative; TLC HAZARDS None EXPECTED RESULTS The student will use TLC to determine the retention factor of common food dyes, and rank their relative polarities. TLC will be used to separate and identify the color components of common powdered drink mixes. WASTE Glass disposal or trash can. MATERIALS TLC plates: four per student pair Powdered drink mixes Food dyes Elution solvent (2-propanol: water; 90:10) Medium jars Pencils Rulers Paper towels Scissors Forceps or tweezers
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