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Home > All Images > 1993 > October > 12 Oct 1993

Images Dated 12th October 1993

Choose from 5 pictures in our Images Dated 12th October 1993 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Lavoisiers mercury experiment on oxygen Featured 12 Oct 1993 Image

Lavoisiers mercury experiment on oxygen

Lavoisier's mercury experiment on air. Early engraving showing the apparatus used by Antoine Lavoisier (1743-94) to demonstrate the formation of metal oxides. Mercury was placed in the retort at left, the end of which led to an air chamber in a bell jar over mercury (right). The retort was gently heated over 12 days. A reddish compound formed on the mercury in the retort, and the volume of air in the bell jar decreased. The remaining gas extinguished a flame. This showed that oxygen had been removed from the air. The red compound, on heating, released mercury and generated a gas which supported combustion and would support life (oxygen)

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