10th Grade Physical Science Core Labs

Links:

Purpose:
To gain familiarity with the technique of paper chromatography.

Summary:
Students will use paper chromatography to separate the dyes of various food coloring.

Objectives Links:
3: B. Waves

Process Skills Checklist

Materials (per group):

• 3 large test tubes
• 3 paper clips or hooks
• 3 stoppers
• 1 plastic wash bottle
• 1 test tube rack
• 4 filter paper strips (1 cm x 15 cm)
• 1 metric ruler (10 cm length)
• 1 box of food coloring (red, blue, yellow and green)
• 3 capillary tubes
• 1 pencil

Safety Concerns:
Use goggles and aprons.

Revision Date:
November 2001