A medieval tradition seeking to transmute metals that led to early chemical techniques.
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Alchemy was a medieval and ancient tradition that combined practical chemistry, metallurgy, philosophy and mysticism. Alchemists sought to transmute base metals into gold, to find the philosopher's stone and to discover an elixir of life. Although these central goals were never achieved, alchemists developed techniques such as distillation, sublimation, crystallisation and the preparation of acids and salts. Their apparatus and recorded procedures laid foundations for later experimental chemistry. Many alchemical ideas and symbols influenced the early chemists who followed them.
Key ideas: Medieval and ancient practice aiming to transmute base metals into gold, find the philosopher stone and elixir of life. Based on elements theory (earth, water, air, fire) and later mercury-sulfur theory of metals. It produced practical techniques: distillation, sublimation, crystallization, acids (aqua regia dissolves gold), phosphorus (Brand 1669), and apparatus. Jabir ibn Hayyan and Paracelsus are prominent.
Common mistakes and connections: Mistake: dismissing alchemy as pure superstition or considering it the same as chemistry; it mixed mysticism with real laboratory knowledge. Boyle in The Sceptical Chymist challenged the four elements. Transmutation is now achieved by nuclear reactions, not chemical ones. Links to history, acids and element discovery.
Heating takes a substance through melting and boiling plateaus, the basis of distillation and sublimation techniques developed by alchemists. The interactive lesson shows this as a live animation or chart.
The Arabic alchemist Geber, or Jabir ibn Hayyan, described many laboratory procedures, including distillation and crystallisation.
A medieval tradition seeking to transmute metals that led to early chemical techniques.
Alchemy is a beginner topic in Biochemistry, Environment & Industry. It needs no earlier chemistry lessons and is a good starting point.
Study these earlier topics in Biochemistry, Environment & Industry first: Green Chemistry in Industry, Atom Economy, History of Chemistry.
The next topics in Biochemistry, Environment & Industry are Lavoisier and Mendeleev.
Yes. The interactive lesson includes a self-check question on Alchemy, and the Biochemistry, Environment & Industry quiz draws on every topic in this area.
Alchemy is topic 118 of 127 in Biochemistry, Environment & Industry.
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