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Aqua regia (/ ˈ r eɪ ɡ i ə, ˈ r iː dʒ i ə /; from Latin, "regal water" or "royal water") is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. [b] Aqua regia is a fuming liquid. Freshly prepared aqua regia is colorless, but it turns yellow, orange or red within seconds from the formation of nitrosyl ...
Aqua regia (Latin: "royal water") – a mixture of aqua fortis and spirit of salt. Aqua tofani – arsenic trioxide, As 2 O 3 (extremely poisonous) Aqua vitae /aqua vita/spirit of wine, ardent spirits – ethanol, formed by distilling wine [2] Butter (or oil) of antimony – antimony trichloride.
AuCl 3 is a Lewis acid and readily forms complexes. For example, it reacts with hydrochloric acid to form chloroauric acid (H[AuCl 4]): [15] HCl + AuCl 3 → H + + [AuCl 4] −. Chloroauric acid is the product formed when gold dissolves in aqua regia. [15] On contact with water, AuCl 3 forms acidic hydrates and the conjugate base [AuCl 3 (OH)] −.
Gold is unaffected by most acids. It does not react with hydrofluoric, hydrochloric, hydrobromic, hydriodic, sulfuric, or nitric acid. It does react with selenic acid, and is dissolved by aqua regia, a 1:3 mixture of nitric acid and hydrochloric acid. Nitric acid oxidizes the metal to +3 ions, but only in minute amounts, typically undetectable ...
Commonly used mineral acids are sulfuric acid (H 2 SO 4), hydrochloric acid (HCl) and nitric acid (HNO 3); these are also known as bench acids. [1] Mineral acids range from superacids (such as perchloric acid) to very weak ones (such as boric acid). Mineral acids tend to be very soluble in water and insoluble in organic solvents.
It resists attack by most acids and bases including aqua regia, but is attacked by F 2 and Cl 2 at high temperatures, and by hot concentrated nitric acid to produce OsO 4. It can be dissolved by molten alkalis fused with an oxidizer such as sodium peroxide ( Na 2 O 2 ) or potassium chlorate ( KClO 3 ) to give osmates such as K 2 [OsO 2 (OH) 4 ] .
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Miracle Mineral Supplement, often referred to as Miracle Mineral Solution, Master Mineral Solution, MMS or the CD protocol, [1] is a branded name for an aqueous solution of chlorine dioxide, an industrial bleaching agent, that has been falsely promoted as a cure for illnesses including HIV, cancer and the common cold.