Palladium extractant and method for extracting and separating palladium

摘要

PROBLEM TO BE SOLVED: To provide a palladium extraction agent which allows palladium to be extracted with high selectivity, and a method for extraction separation of palladium.SOLUTION: The present invention provides a palladium extraction agent comprising a cyclic phenol sulfide derivative represented by formula (1), and a method for extraction separation of palladium using the same. (Rand Rindependently represent H or a C 1-5 hydrocarbon group; Z is a sulfide group, sulfinyl group or sulfonyl group).SELECTED DRAWING: Figure 1