Daffodil International University

Faculties and Departments => Faculty Sections => Departments => Topic started by: ABM Nazmul Islam on October 25, 2014, 01:04:19 PM

Title: why aluminium tanks are used to transport acetic acid?
Post by: ABM Nazmul Islam on 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.