Oxalic Acid 5% Solution
Oxalic Acid 5% Solution remove stains; such as ink from wood, rust stains from a variety of materials such as concrete. It also mildly bleaches wood. This Acid can also help with the removal of rust from metal surfaces. Oxalic Acid is also used for cleaning fibreglass boat decks and hulls, however it is found naturally in many plants.
Oxalic acid’s main applications include; cleaning or bleaching, especially for the removal of rust (iron complexing agent). Its utility in rust removal agents is due to it forming a stable, water-soluble salt with ferric iron. Oxalic acid is also an important reagent in lanthanide chemistry. Hydrated lanthanide oxalates form readily in very strongly acidic solutions. This forms a densely crystalline, easily filtered form; largely free of contamination by nonlanthanide elements. Thermal decomposition of these oxalate gives the oxides; which is the most commonly marketed form of these elements.
There are so many lists of how to use this product – this link may help you http://www.constructionchemicals.co.uk/blog/2015/07/13/how-to-use-oxalic-acid/
We do not include usage instructions – please see link above
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