Chemistry/Iodine Preparation Prep

Equipment and Chemicals for Science 10 Lab

THE PREPARATION OF  THE  ELEMENT  IODINE
Chemicals:
 * 1) Beaker containing about 30 g of potassium iodide (labeled “Potassium Iodide”)
 * 2) Beaker containing about 20 g of manganese dioxide (labeled “Manganese (IV) Oxide”)
 * 3) 4 dropping bottles, each with about 10 mL concentrated phosphoric acid (labeled “Phosphoric Acid”)
 * 4) 4 dropping bottles, each with about 20 mL of hexane (labeled “Hexane”)
 * 5) 2 dozen ice cubes

Equipment:
 * 1) bunsen burners
 * 2) flint strikers
 * 3) ring stands
 * 4) large rings
 * 5) gauze heating pads
 * 6) 100 mL beakers
 * 7) 10 mL graduated cylinders
 * 8) small test tubes
 * 9) test tube holders
 * 10) watch glasses to cover top of 100 mL beakers
 * 11) weighing boats
 * 12) 2 automatic balances (0.01 g)
 * 13) stirring rods
 * 14) latex gloves

NOTE: LAB REQUIRES USE OF FUME HOODS