Keywords: aluminium, aluminum, anodizing, acid, alkaline, sulfuric acid, hydrofluoric, etching, Visit our website www.metrohm-applikon.com Typical anodizing line layout. Galvanic Industry – Metal Surface Treatment Aluminium etching/anodizing for analysis of Acids, Bases and Aluminium Aluminium is the most abundant element and is a very reactive base metal. It has favourable qualities for industrial applications due to its low density

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