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Title: Determination of Synchronous Fluorescence Scan Parameters for Certain Petroleum Products
Authors: Patra, Digambara
Sireesha, K Lakshmi
Mishra, A K
Issue Date: Apr-2000
Publisher: NISCAIR-CSIR, India
Abstract: Synchronous fluorescence scan (SFS) technique is a promising tool for polycyclic aromatic hydrocarbon analysis. For analytical purposes the SFS parameters that are needed to be optimized are Δλ (λex ~ λem) and synchronous fluorescence maximum. In the present work, conventional petroleum products available in Indian market like kerosene and petrol, and added lubricant namely 2T oil have been studied with respect to their SFS parameters. For these multifluorophoric systems conventional electronic absorption and fluorescence spectroscopy is of limited use. The effect of dilution (5 - 100 per cent, v/v in cyclohexane) on the SFS parameters has been examined. In these multifluorophoric systems, excitation energy transfer results in shifting of synchronous fluorescence maxima with increasing concentration of the petroleum product. The correlation of this shift with concentration shows the possibility of using it as an analytical method to quantify the petroleum products in the environment.
Page(s): 300-305
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.59(04) [April 2000]

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