Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1995-03-31
1995-11-14
Niebling, John
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
2041828, 204299R, G01N 2726, G01N 27447
Patent
active
054663512
ABSTRACT:
A sample having both positively and negatively charged components may be separated during the same run by injecting a plug of sample at both ends of the capillary and applying an electric field in the capillary, where there is insufficient electroosmotic flow in the capillary to reverse sample migration direction, such as in the case of a gel-filled column.
REFERENCES:
K. Baechmann, I. Haumann, & T. Groh, "Simultaneous Determination of Inorganic Cations and Anions in Capillary Zone Electrophoresis (CZE) with Indirect Fluorescence Detection" Fresenius' J. Anal. Chem. 343(12), (1992), 901-2.
"Simple Apparatus for Capillary Zone Electrophoresis . . . ," by Rohlicek et al., Journ. of Chromatography, vol. 494, pp. 87-99, 1989.
"General Principles of Zone Electrophoresis," by Smith, Chromatographic & Electrophoretic Techniques, vol. II, Chapter 1, pp. 1, 56-59.
Brochure: "P/ACE.TM. System 2000, with Automation and Modularity for Today and Tomorrow", 8 pages. * No Month Available.
Osborne James C.
Rampal Jang B.
Rampal Sushma
Beckman Instruments Inc.
Harder P. R.
Henry Janis C.
May William H.
Niebling John
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