Each group needs:

• Whatman chromatography paper, at least 4 two-inch-wide strips; available at amazon.com
• pencil
• Sharpie^® black ink marker; can be shared among teams
• Sharpie color markers, of various colors; can be shared among teams
• isopropyl alcohol (rubbing alcohol); higher proof or percent rubbing alcohol is best
• two 500-ml beakers
• Chromatography Lab Worksheet, one per student