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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 materials are sufficient for a class of 10 groups of students.
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 materials are sufficient for a class of 10 groups of students.
Components | Qty | Included? |
---|---|---|
Red FD&C Food Dye, 30 mL | 1 | Included |
Blue FD&C Food Dye, 30 mL | 1 | Included |
Yellow FD&C Food Dye, 15 mL | 1 | Included |
Grape Drink Mix | 1 | Included |
Orange Drink Mix | 1 | Included |
Strawberry Drink Mix | 1 | Included |
Chromatography Paper | 12 | Included |
Capillary Tube Vial | 1 | Included |
Plastic Cups | 10 | Included |
Plastic Lids | 10 | Included |
Sodium Chloride, 20 g | 1 | Included |
Container, 1,200 mL (or larger) | 1 | Included |
Digital Resource Card | 1 | Included |
Teacher's Manual with Reproducible Student Guide | 1 | Included |
Scissors | 10 | Needed, Not Included |
Pencils | 10 | Needed, Not Included |
Beakers or Small Cups, 50 mL | 3 | Needed, Not Included |
Cylinder, 100 mL | 1 | Needed, Not Included |
Distilled or Deionized Water | Needed, Not Included | |
Labeling Tape | Needed, Not Included | |
Clear Tape | Needed, Not Included |