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Aqua was recorded at Advision Studios in Brighton, England, and produced by Downes.The cover artwork was designed by Rodney Matthews, known for his work with Eloy and Magnum among others, and featured the group's logotype designed by Roger Dean, who had created the covers of all previous studio recordings.
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 ...