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alkahest
Alkahest is a hypothetical universal solvent, having the power to dissolve every other substance, including gold. It was much sought after by alchemists for what they thought would be its invaluable medicinal qualities.
==Ideology==
The name is believed to have been invented by Paracelsus from Switzerland, who modeled it on similar words taken from Arabic, such as ‘alkali’. Paracelsus' own recipe was based on caustic lime, alcohol, and carbonate of potash.〔Paracelsus' recipe is popular with chemists even today; a bath of potassium hydroxide in ethanol leaves laboratory glassware sparkling clean〕 He believed that this element alkahest was, in fact, the philosopher's stone.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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