1. A calculated titration curve for oxalic acid is shown at the right. 2. Unfortunately, rhubarb stems also have some oxalic acid , which ties up calcium. 3. Oxalic acid is a crystaline bleach sold in hardware and building stores.4. Members of the " Oxalis " genus produce the toxin oxalic acid . 5. Oxalic acid undergoes many of the reactions characteristic of other carboxylic acids.6. The dock leaves contain oxalic acid and the roots contain tannic acid. 7. Oxalic acid , found in spinach, parsley, and a variety of other vegetables.8. The combination of oxalic acid with ultrasound fully degrades chrysotile asbestos fibers. 9. It can be seen as a sixfold ester of benzenehexol and oxalic acid . 10. They have a tart, sour undertone, and an oxalic acid odor.