Used as a cleaning agent for removing rust and corrosion from metals due to its ability to form soluble complexes with iron. Commonly applied in industrial settings for descaling equipment and cleaning stainless steel. Also used in beekeeping to control parasitic mites in honeybee colonies. Employed in wood bleaching to restore aged or stained timber. Utilized in some household cleaners for toilet bowls and bathroom surfaces. Plays a role in dyeing processes by adjusting pH and improving color uptake in textiles.