Patination Formula For Browning Bronze

• (Cold process)

  • Ammonium Carbonate (3 parts)
  • Cupric Acetate (1 part)
  • Tartaric Acid in Vinegar (1 part)
  • Sodium Chloride Salt (1 part)
    Note: Make a paste of these ingredients, smooth it over the bronze
    for 1 hour and rinse with hot water.