Lead Sulfide Precipitate

Hazards

Lead salts are poisonous.

Chemicals and Solutions

  • 0.1 M lead nitrate solution
  • lead testing solution: sodium sulfide aq.

Materials

  • cylinder
  • Previously tested lead containing dishes
  • Lead testing video

Procedure

Combine lead nitrate solution and sodium sulfide solution in a cylinder. A black precipitate of lead sulfide forms.