What is Oxalic Acid: Oxalic acid is an organic compound with the formula H2C2O4. It is a colourless crystalline solid that dissolves in water to give colourless acidic solutions. Oxalic acid is a relatively strong organic acid with many commercial uses especially in the carpentry and joinery trades in the UK. Oxalic Acid can also be used to freshen wood colour if it has become grayed due to external exposure. In the refinishing of wooden furniture, oxalic acid can be used after stripping to lighten darker stained areas. It can also be used as a rust remover and a stain remover in many other applications.Where to use Oxalic AcidWood bleach - To bleach old and stained wood removing tannin stains and water stainsRust removal- in removing rust on boats, in automotive shops and in restoring antiquesIn rust stain removal without harming Gel coat, fibre glass, steel and other metal surfacesFor pre-treating stainless steelAs a grinding agent in preparing & polishing stones & marbleIn restoring furnitureFor removing hard water stains from tiles and plumbing fixturesAs a precipitator in rare earth mineral processingIt is an important reagent in Lanthanide chemistryOxalic acid is used as a mordant in dyeing processesIt can be used as a reducing agent in photographyHow to use Oxalic AcidPrepare a solution by dissolving 60g of oxalic acid in 1 litre of water, apply to stain or rust and allow to work for 20-30 minutes. Always rinse thoroughly with clean water. For wood bleaching it is recommended to neutralize after treatment with a borax solution (3 tablespoons of borax dissolved in 1 litre of water).When using on wood the wood must be free of all coatings, waxes & oils.
Trustpilot
2 months ago
3 days ago
