Published:Journal of Chromatographic Science,
ISSN 0021-9665Volume
39, Number 8, August 2001, pp. 332-338
Separation
of Xylidine Isomers by Micellar Electrokinetic ChromatographyRama
Jeevan Ganesh Jeevan, Raghavan Chandrasekar, Malayappan Bhaskar, and Ganga Radhakrishnan* Eco Analytical Laboratory, Central Leather Research Institute, Adyar, Chennai-600
020, India
Xylidines
are important precursors for the production of dyes, drugs, and various other
products. Because of the high carcinogenic nature of some xylidine isomers it
becomes very essential and relevant to develop suitable analytical procedures
to separate isomers as well as enhance detection at very low concentrations.
Micellar electrokinetic chromatography has been standardized at various influencing
parameters such as pH, ionic strength, and micelle modifiers, and the optimum
conditions have been ascertained for the best separation and sensitivity of
standard mixtures. The applicability of the procedure in environmental samples
is studied.
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