Citation: Shao Qing LI. THE STUDY OF LUMINOL-H₂O₂-IO₄^--S^2- CHEMILUMINESCENCE SYSTEM AND ITS APPLICATION[J]. Chinese Chemical Letters, ;1991, 3(9): 701-702. shu

THE STUDY OF LUMINOL-H₂O₂-IO₄^--S^2- CHEMILUMINESCENCE SYSTEM AND ITS APPLICATION

Shao Qing LI

Xi'an College of Geology Xi'an 710054

Received Date: 1 June 1991

This paper reports a new chemiluminescence system i.e.luminol-H₂O₂-IO₄^- catalyzed by sulphide ion(S^2-).Based on this catalysis, a newchemiluminescence（CL）method for the determination of trace S^2- is proposed.The detection limit is 0.2μg/L S^2-, the linear dynamic range is 5μg to 100βμg/L S^2- and the variation coefficient at an sulphide concentration of 10μg/L S^2- is 4.5%(n=10).The method has been satisfactory applied to the determination of trace sulphide ion in water.
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