A review is mainly on the application of butylrhodamine B, rhodamine 6G and tetrabromofluorescein dyes in extraction spectrophotometric and flotation spectrophotometric analysis.

• 本文对丁基罗丹明B、罗丹明6G和四溴荧光素在萃取光度法和浮选光度法中的应用做了综述。