🧪🟡 Gold Precipitation Reaction! Sodium Metabisulfite Meets Aqua Regia Rich in Gold

‪@MakeGold‬ Watch the fascinating chemical reaction as sodium metabisulfite is added to aqua regia containing dissolved gold. See how pure gold begins to precipitate out of the solution—a crucial step in gold refining! #GoldRecovery #AquaRegia #SodiumMetabisulfite #GoldPrecipitation #GoldRefining #ChemistryReaction #PureGold #GoldExtraction #EWasteRecycling #UrbanMining