2H[AuCl4] + 11KOH + 3HCHO → 2Au + 3HCOOK + 8KCl + 8H2O
Hydrogen dichloridoaurate(III) react with potassium hydroxide and formaldehyde to produce gold, potassium formate, potassium chloride and water.
As a result, reaction is produced colloid gold.
As a result, reaction is produced colloid gold.