Citation: Tong Wen NI, Yu Hui YANG. APPLICATION OF SURFACE-ENHANCED RAMAN SPECTORSCOPY FOR CHARACTERIZING HUMIC SUBSTANCES[J]. Chinese Chemical Letters, ;1993, 4(4): 361-362. shu

APPLICATION OF SURFACE-ENHANCED RAMAN SPECTORSCOPY FOR CHARACTERIZING HUMIC SUBSTANCES

Tong Wen NI ^a ,
Yu Hui YANG ^b

a Analytical And Testing Centre Of Gansu Province, Lanzhou 730000;
b Department Of Modern Physics, Lanzhou University, Lanzhou 730000

Received Date: 5 October 1992

Surface-enhanced Raman Spectroscopy (SERS) has been used to characterize hurnic substances.By using HNO₃-roughened silver foils as the enhancing surface,both fluorescence quenching and strong SERS signals have been observed at the same time.The results obtained herein show that SERS is a particularly sensitive and highly selective technique for the characterization of humic substances in the environment.
Humic substances axe receiving ever-inereasing attention because of their importance in the environment.Very recently,we have reported the first successful application of Raman spectroscopy for characterizing humic substances.In this present paper,the application of surface-enhanced Raman spectroscopy (SERS) for humic substances has further been investigated.To our knowledge,no such studies have previously beenreported.The results obtained herein dearly demonstrate that SERS has a great deal of promise as ananalytical method for "In Situ" characterizing humic substances in the environment.
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