2,3-Dihydroxyquinoxaline is a fluorescent reagent. 2,3-Dihydroxyquinoxaline can be used for the determination of trace Pb(II) in vinegar[1].
2,3-Dihydroxyquinoxaline (DHQX) shows an intense fluorescence at Λex/Λem = 328/414 nm[1].
[1]. Yang, et al. Synthesis of 2,3-dihydroxyquinoxaline and its application in the determination of trace lead. Huaxue Shiji. Volume: 25. Issue: 1. Pages: 20-22. Journal
















