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Gain practice with paper chromatography with this all-inclusive kit. Students separate the food dyes in common drink mixes and identify the FD&C dyes in those drink mixes against known FD&C food dye chromatograms. Kit contains materials sufficient for a class of 10 groups of students, including digital resources.
Use separation science to identify dyes in common drink mixes
Students gain practice with separation technique with this comprehensive, easy-to-use kit. First, students analyze 3 FD&C food dyes using paper chromatography and calculate their retardation factors. Then, they analyze the chromatograms of 3 drink mixes. Students will identify the FD&C dyes present in the drink mixes using retardation factors and visual inspection. This activity requires approximately 50 minutes to complete. Kit contains materials sufficient for a class of 10 groups of students, including digital resources.
