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why aluminium tanks are used to transport acetic acid?

Started by ABM Nazmul Islam, October 25, 2014, 01:04:19 PM

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ABM Nazmul Islam

October 25, 2014, 01:04:19 PM
Acetic acid is mildly corrosive to metals including iron, magnesium, and zinc, forming hydrogen gas and salts called acetates:
Mg + 2 CH3COOH → (CH3COO)2Mg + H2
Because aluminium forms a passivating acid-resistant film of aluminium oxide, aluminium tanks are used to transport acetic acid.
ABM Nazmul Islam

Lecturer
Dept. of Natural Science
Daffodil Int. University, Dhaka, Bangladesh
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