Artigo Revisado por pares

Instrumental developments in micellar electrokinetic capillary chromatography

1989; Elsevier BV; Volume: 480; Linguagem: Inglês

10.1016/s0021-9673(01)84288-6

ISSN

1873-3778

Autores

Michael J. Sepaniak, David F. Swaile, A. Craig Powell,

Tópico(s)

Innovative Microfluidic and Catalytic Techniques Innovation

Resumo

Two instrumental developments in micellar electrokinetic capillary chromatography are reported. A solvent delivery system capable of generating continuous linear-, concave-, and convex-shaped solvent gradients is shown to have a dramatic effect on the chromatographic profiles obtained in the separation of a mixture of fluorescently-labeled n-alkylamines. A versatille on-column flow cell that employs a unique laser-etched, on-column optical slit is described. This flow cell is adapted for photometric detection using a modified UV absorbance detector and spectrophotometric detection using a photodiode array detector.

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