14-19 yrs English Spanish

  • Precipitation and leaching: A more or less complex mixture of metal salts can be separated in the pure metals using a sequence of reactions causing some components to precipitate. This strategy is utilized in gold mining operations where gold is leached using cyanides (download pdf).
  • Anion exchanger: Separation of Cu2+ and Fe3+ by an ion exchanger (exchange resin) and the following detection reactions. (download pdf)