Modern Chemistry, Lesson 144: Iron - Corrosion

Duration: 30 min

Creator: Encyclopaedia Britannica Educational Corporation

Color: color

Description: To demonstrate corrosion, the film presents a series of demonstrations involving iron nails, washers, and other hardware which have been allowed to corrode in an agar gel containing phenolphthalein and dissolved potassium ferricyanide. Shows the effects of greasing iron, plating it with copper or tin, or plating it with zinc. Emphasizes and demonstrates the galvanic protection of iron.

Metadata Source:Catalog of Classroom Teaching Films for Georgia Schools, No. 10 (Georgia Department of Education)