oxalic acid

Noun

Meaning

a toxic colorless crystalline organic acid found in oxalis and other plants; used as a bleach and rust remover and in chemical analysis

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Examples

A calculated titration curve for oxalic acid is shown at the right. Source: Internet

Oxalic acid is present in tomatoes, spinach, and especially in carambola and rhubarb ; rhubarb leaves and unripe carambolas are toxic because of high concentrations of oxalic acid. Source: Internet

Other sources give a much higher oral LD Lo (lowest published lethal dose) of 600 mg/kg. citation While the oxalic acid content of rhubarb leaves can vary, a typical value is about 0.5%, GW Pucher, AJ Wakeman, HB Vickery. Source: Internet

It is said (though no authority is cited) that the magnesium of the nigari binds with the oxalic acid thus mitigating its hazard. Source: Internet

Organic Brønsted acids, such as acetic, citric, or oxalic acid, are not Lewis acids. Source: Internet

This is safe in small amounts but potentially toxic in large quantities due to the prevalence of oxalic acid in the tissues Laferrière, Joseph E. 1990. Source: Internet

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