The alchemists created the framework for the chemical operations (evaporation, crystallization, filtration, distillation, and sublimation) that today are used for the isolation and purification of compounds, and they were the first to obtain some simple substances (arsenic, antimony, and phosphorus); ...
e. 1 chemists 1 broke tradition with their forebears 1 the alchemists . The ulterior aims of the latter were subordinated to the advancement of knowledge for its own sake. Yet 1 scientists of the era I have identified were not oblivious of the practical potentialities of the knowledge that ...
They additionally embraced the Chinese alchemists' concept of the Philosopher's Stone— a medicine that could transform a 'sick' (base) metal into gold and additionally perform as an Elixir of Life. Arab alchemical treatises, such as those by Persian physicians al-Razi and Avicenna, became very...
The name of the little volume before us is thus a promising one, and on perusal, the book in no way belies its title.\nAfter showing who the alchemists were, and the state of chemical knowledge before they appeared on the scene, the author proceeds to divide his subject into nine ...
The alchemists had two main objectives :(1) to turn base metals into gold and (2)to discover the elixir of life .炼金术士们有两个主要的目标:(1)把基本金属变为黄金以及(2)发现长生不老药。The origins of alchemy 46、can be traced back to the ancient Egyptians .炼金术的起源可以追溯到古...
In the 9th century, the alchemists of the tang dynasty in China invented gunpowder. The 9th century, Arab spine submodule published the counting algorithm of India ", make western people familiar with the decimal system, he is also the founder of the algebra, written in Arabic al raz, the ...
from the Time-Life book 'Secrets of the Alchemists.' An ancient pseudoscience chiefly concerned with the transmutation of base metals into gold and silver, with the discovery of a single effective cure for all diseases, with a way to extend life indefinitely, and with the manufacture of ...
Alchemists believed that the conversion of nonprecious metals into precious metals, namely gold and silver, was possible by using the philosopher’s stone. The chemistry of this period was primarily concerned with the observation of the individual properties of substances and with the explanation of ...
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the secret of life; a great elixir or remedy sought by the alchemists. See alsoknowledge. elixir 1.the hypothetical substance sought by alchemists that was believed to transform base metals into gold and give eternal life. Also calledphilosopher’s stone, elixir of life. ...