Separation column and liquid chromatograph using the same

Details Separation column and liquid chromatograph using the same Separation column and liquid chromatograph using the same

2007-10-24

2010-10-12

Menon, Krishnan S (Department: 1797)

Liquid purification or separation

With means to add treating material

Chromatography

C210S656000, C422S070000, C073S061520

Reexamination Certificate

active

07811451

ABSTRACT:
The flow rate of a solvent is reduced as a separation column and the separation performance is improved even under high-pressure conditions. There is provided a separation column including a monolith rod into which a sample and a mobile phase flow, the separation column comprising: a coating material coated on the outer circumference of a monolith rod; a support member into which the monolith rod coated with the coating material is inserted, and a rod fixing material fitted into or filled a gap between the coating material and the support member; wherein the upper end face of the rod fixing material is sealed, the upper end face being the inflow-side end when the separation column is assembled.

REFERENCES:
patent: 5972222 (1999-10-01), Gjerde et al.
patent: 6652745 (2003-11-01), Gjerde et al.
patent: 6797174 (2004-09-01), Neuroth et al.
patent: 2005/0169829 (2005-08-01), Dai et al.
patent: 0 990 153 (2000-04-01), None
patent: 11-064314 (1999-03-01), None
patent: 2002-505005 (2002-02-01), None
patent: 2003-530571 (2003-10-01), None
Liang, C., et al. A graphitized-carbon monolithic column. Anal.Chem. vol. 75, 2003: 4904-4912.

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