Patent ID: 6569325
Filing Date: 2003-05-27
Classification: G01N

Abstract:
A separation-detection device, which comprises:a) a mobile phase driving device, b) a chromatography column, c) a detector, â€ƒwherein said driving device comprises at least one high-pressure pump and a high-voltage power supply, d) a pipe connected with an inlet of said high-pressure pump being inserted in said mobile phase driving device. e) one or more outlets of said high-pressure pump being connected with a first capillary and a second capillary, said second capillary passing through a first check valve, and one end of said second capillary being connected with a tail end of a column and a resistant column via a second check valve, f) said first capillary passing through a third check valve and a fourth check valve, said first capillary being connected with an injector with a capillary at a point between said third check valve and said fourth check valve, said injector being connected with a front end of said chromatographic column.