HPCZE of nonionic compounds using a novel anionic surfactant additive

Journal Article · Fri Sep 01 00:00:00 EDT 1995 · Analytical Chemistry (Washington)

DOI:https://doi.org/10.1021/ac00113a042· OSTI ID:105282

Shi, Y; Fritz, J S ^[1]

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1. Ames Lab., IA (United States)

Excellent separations of nonionic organic compounds were obtained by adding sodium dioctyl sulfosuccinate (DOSS) to an acetonitrile (approximately 40% v/v)-water electrolyte. Separation is based on differences in the strength of analyte-DOSS association `complexes` in solution, which results in differences in effective electrophoretic mobility. Micelle formation is not believed to occur. The effects of varying apparent pH, applied voltage, acetonitrile concentration, and DOSS concentration were studied with regard to electroosmotic mobility and effective electrophoretic mobility. Under optimum conditions, excellent separations of 23 organic compounds were obtained. 23 refs., 9 figs.

• Sponsoring Organization: USDOE
• DOE Contract Number: W-7405-ENG-82
• OSTI ID: 105282
• Journal Information: Analytical Chemistry (Washington), Vol. 67, Issue 17; Other Information: PBD: 1 Sep 1995
• Country of Publication: United States
• Language: English

Related Subjects

40 CHEMISTRY
66 PHYSICS
ACETONITRILE
ELECTROPHORESIS
QUANTITATIVE CHEMICAL ANALYSIS
SEPARATION PROCESSES
ORGANIC COMPOUNDS
AQUEOUS SOLUTIONS
SURFACTANTS
ELECTROLYTES
ION MOBILITY
CAPILLARY FLOW