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Royal water and waters of gradation

aquam regis; aqua regis; aquis gradationum; aquae gradationum; Aqua regis

Named waters belonging to the alchemical preparation contexts: aqua regis appears among means of producing a copper vitriol, while waters of gradation receive a verdigris preparation for colouring metals.

From the book

Nine Books on the Nature of Things

Attributed to Paracelsus · Diotimos Editions · 2026

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Meaning

Named waters belonging to the alchemical preparation contexts: aqua regis appears among means of producing a copper vitriol, while waters of gradation receive a verdigris preparation for colouring metals. Their local functions are clear but their complete formulations are not given in these paragraphs. The names should not be converted into standardized modern acid mixtures or treated as synonyms for every aqua fortis.

Places to read

  1. Book 5 · Death · Passage 7Latin“aut aquam regis”