Patent ID: 8685239
Filing Date: 2014-04-01
Classification: B01D,G01N

Abstract:
1. A separation column device comprising: a first tube having a cylindrical wall having an inner surface defining a chamber having a first diameter, an exterior surface defining a second diameter, a first end and a second end, said first end for discharging a fluid and said second end for receiving a fluid, said chamber having a first section and a second section; a first media contained within said first section, the first media being adapted to provide an analytical bed; a second media contained within said second section, the second media being adapted to provide a guard bed; a separating frit element disposed within said first tube between said first and second sections of said chamber, said separating frit element having a predesignated cleavage point at which said second section of the first tube is cleaved from the first tube after the guard bed provided by said second media has degraded from use of the separation column device, the predesignated cleavage point being located at a boundary between the separating frit element and the second section; and an end frit element secured to said inner surface of said first tube and securing at least one of said first media in said first section and said second media in the second section in the chamber of the first tube.