Sensitive spectrofluorimetric determination of 3,3′,4,4′-tetrachlorobiphenyl using a neutral micellar medium

3,3′,4,4′-Tetrachlorobiphenyl (TTCB) has been studied in the presence of cationic, anionic, neutral surfactants, α-cyclodextrin and β-cyclodextrin. The enhancement of the fluorescence of this polychlorobiphenyl in polyoxyethylene (10) lauryl ether (POLE) medium has been used to develop a spectrofluo...

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Bibliographic Details
Published in:Analytica chimica acta 1994-01, Vol.290 (1), p.146-153
Main Authors: GARCIA, J. H, RODRIGUEZ, J. R. B, MARTIN-LAZARO, A. J. B, RODRIGUEZ, J. J. S
Format: Article
Language:English
Subjects:
3,3′,4,4′-Tetrachlorobiphenyl
Analytical chemistry
Chemistry
Exact sciences and technology
Fluorimetry
Micellar medium
Sea water
Spectrometric and optical methods
Waters
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Summary:3,3′,4,4′-Tetrachlorobiphenyl (TTCB) has been studied in the presence of cationic, anionic, neutral surfactants, α-cyclodextrin and β-cyclodextrin. The enhancement of the fluorescence of this polychlorobiphenyl in polyoxyethylene (10) lauryl ether (POLE) medium has been used to develop a spectrofluorimetric method for the sensitive determination of TTCB. Variables such as the concentration of surfactant, percentage of organic solvent, and temperature, together with the possible interferences of eighteen different polychlorinated biphenyls and Aroclors have been studied. The method, which has a detection limit of 1.4 ng ml −1, has been applied to the determination of TTCB added to sea water with acceptable recovery.
ISSN:0003-2670
1873-4324
DOI:10.1016/0003-2670(94)80049-9