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Peer reviewedSauterer, Roger A.; Jones, Jody – American Biology Teacher, 2000
Presents a laboratory experiment on determining the molecular weight of an unknown molecule by using gel filtration chromatography. Describes the procedure and lists required materials. (YDS)
Descriptors: Biology, Chemical Analysis, Chemistry, Chromatography
Klein, Jessie W.; Patev, Paul – NEACT Journal, 1998
Presents three experiments to introduce students to different kinds of chromatography: (1) paper chromatography; (2) gel filtration chromatography; and (3) reverse-phase liquid chromatography. Written in the form of a laboratory manual, explanations of each of the techniques, materials needed, procedures, and a glossary are included. (PVD)
Descriptors: Chemical Analysis, Chemistry, Chromatography, Demonstrations (Science)
Cobb, Vicki – Chemecology, 1998
Describes the use of an indicator made from the pigment in red cabbage. Cabbage is grated then soaked in water. When the water is a strong red, the cabbage is strained out. The cabbage-juice indicator is then used to test for acids and bases. Includes a list of good foods to test for acidity and alkalinity. (PVD)
Descriptors: Acids, Chemical Analysis, Chemistry, Demonstrations (Science)
