A small amount of ferric oxide is added to a solution of oxalic acid, a commonly used cleaning and bleaching agent. Once the rust is dissolved, potassium carbonate is slowly added to the solution ...

This is because the ingredient that makes the cleaner so effective, oxalic acid, is corrosive. Though the oxalic acid used in Bar Keepers Friend is often derived from natural ingredients such as ...

Researchers have developed a new method to extract fluorine from fluorspar using oxalic acid and a fluorophilic Lewis acid in water under mild reaction conditions. This technology enables direct ...

Other common acidic cleaning ingredients are oxalic acid, used for revitalising timber decks, hydrochloric acid in concrete ...