A small amount of ferric oxide is added to a solution of oxalic acid, a commonly used cleaning and bleaching agent. Once the rust is dissolved, potassium carbonate is slowly added to the solution ...

University of New Mexico researchers studying the health risks posed by gadolinium, a toxic rare earth metal used in MRI scans, have found that oxalic acid, a molecule found in many foods ...

Image Credit: C-R-V/Shutterstock.com Researchers at the University of New Mexico have found that oxalic acid, a compound found in many foods, can produce gadolinium nanoparticles in human tissues.