title: An automated colorimetric method for determining oxalic acid in plant material.
mesh_terms: D001322:Autoanalysis; D003124:Colorimetry; D004396:Coloring Agents; D010070:Oxalates / Q000032:analysis*; D010944:Plants / Q000032:analysis*; D015040:Zirconium
chemical_list: D004396:Coloring Agents; D010070:Oxalates; D015040:Zirconium