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Alchemy
Essay specific features
Written by:
Michael P
Date added:
March 7, 2017
Level:
University
Grade:
A
No of pages / words:
4 / 847
Was viewed:
8166 times
Rating of current essay:
Essay content:
The writings of some of the early Greek philosophers might
be considered to contain the first chemical theories; and the theory advanced
in the 5th century BC by Empedocles?that all things are composed of air, earth,
fire, and water?was influential in alchemy. The Roman emperor Caligula is said
to have instituted experiments for producing gold from orpiment, a sulfide of
arsenic, and the emperor Diocletian is said to have ordered all Egyptian works
concerning the chemistry of gold and silver to be burned in order to stop such
experiments...
displayed 300 characters
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The Roman emperor Caligula is said
to have instituted experiments for producing gold from orpiment, a sulfide of
arsenic, and the emperor Diocletian is said to have ordered all Egyptian works
concerning the chemistry of gold and silver to be burned in order to stop such
experiments. Zosimus the Theban (about AD 250-300) discovered that sulfuric
acid is a solvent of metals, and he liberated oxygen from the red oxide of
mercury...
displayed 300 characters
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