Gold refining process aqua regia dissolving reaction. 👉👉👉 www.youtube.com/@MakeGold/videos Aqua regia is a mixture of hydrochloric acid (HCl) and nitric acid (HNO3) at a ratio of either 3:1 or 4:1. It is a reddish-orange or yellowish-orange fuming liquid. The term is a Latin phrase, meaning "king's water". The name reflects the ability of aqua regia to dissolve the noble metals gold, platinum, and palladium. Note aqua regia will not dissolve all noble metals. For example, iridium and tantalum

By Alchemists GOLD Aqua regia is a mixture of nitric acid and hydrochloric acid, in ratio of 1:3 Aqua regia is a fuming liquid. Freshly prepared aqua regia is colorless, but it turns yellow, orange or red within seconds. 👉👉❤️😘 I hope you like our video. Please like and share the video to your friends. Thank you very much. #AquaRegia #HydrochloricAcid #NitricAcid #GoldAquaRegia | Archimedes Channel

Aqua Regia Solution Preparation Slowly add the nitric acid to the hydrochloric acid (NEVER the other way around) to form a 3:1 ratio solution of three parts hydrochloric acid, and one part nitric acid. Stirring with a stir bar and plate is recommended. #ArchimedesChannel | Archimedes Channel