Oxalic Acid - What it is & how it's used

Oxalic acid is made extensive use of in the woodworking and joinery trade. Unsightly stains on wooden floors and beams caused by age, exterior exposure or rust can be removed easily by using oxalic acid crystals.

Its applications are not only limited to wood. Oxalic acid can be used to treat, repair and polish other materials such as stone, marble and stainless steel.

Those who restore wooden furniture and antiques can use oxalic acid to freshen and lighten the wood after it has been stripped back.

Those working in automotive shops or working on their own vehicle can find a use for oxalic acid, especially in rust removal.

Fishermen utilise oxalic when preserving decks, maintaining wood and treating quays. Similarly, all boating enthusiasts will find this chemical useful.

Beekeepers can use a solution of oxalic acid in sugar can protect against the parasitic Varroa mite. See the videos below for more information in oxalic acid and beekeeping.

Oxalic acid can also be used as a purifying intermediate in pharmacy and as a precipitator in rare earths processing.

As with all chemicals, care should be taken when handling and using this product. Always take full advantage of safety googles and gloves to protect yourself from the chemical.