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Gravure eau oxygénée + acide chlorhydrique

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Gravure eau oxygénée + acide chlorhydrique

O
obones

98 Views • May 14, 2008

Description

Gravure de cuivre à l'eau oxygénée + acide chlorhydrique et tentative d'identification du gaz dégagé.
Copper etching with peroxide and chlorhydric acid and attempt to identify the gas expelled gas.