Sodium hydroxide isn’t super safe, but it is much less problem to buy, store, and use than battery acid. Aluminum naturally forms an oxide layer on its surface when exposed to air. Anodizing in ...

Normally, it isn’t transparent, but molten sodium hydroxide does ... at so-called transparent aluminum before. We’ve also seen apparently transparent metal that uses a mysterious trick.

Alum was used by Alexander Glenny and captures antigen ... alum has been almost completely replaced by aluminium hydroxide and aluminium phosphate for commercial vaccines. These can be prepared ...

A few drops of dilute sodium hydroxide solution react to form a white precipitate with aluminium ions, calcium ions and magnesium ions. However, if excess sodium hydroxide solution is added ...