The measurement of urinary oxalic acid by derivatization coupled with liquid chromatography.
D055598:Chemical Phenomena; D002621:Chemistry; D002851:Chromatography, High Pressure Liquid; D003124:Colorimetry; D006801:Humans; D007202:Indicators and Reagents; D010070:Oxalates / Q000652:urine*; D019815:Oxalic Acid; D011810:Quinoxalines / Q000032:analysis
D007202:Indicators and Reagents; D010070:Oxalates; D011810:Quinoxalines; C034983:2,3-dihydroxyquinoxaline; D019815:Oxalic Acid