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13274-U Supelco

Metal Packed GC Column (General Configuration)

phase 30% Krytox 143AC, matrix 60/80 Chromosorb P NAW support, L × O.D. × I.D. 20.0 ft (6.1 m) × 1/8  in. × 1.7 mm

  •  NACRES SB.54

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Properties

Related Categories Analytical/Chromatography, Gas Chromatography (GC), Metal Packed GC Columns (General Configuration), Packed GC Columns, Packed GC Columns and Components More...
Quality Level   100
material   copper column
description   3 in. coil
application(s)   gas chromatography (GC): suitable
L × O.D. × I.D.   20.0 ft (6.1 m) × 1/8  in. × 1.7 mm
matrix   60/80 Chromosorb P NAW support
matrix active group   30% Krytox 143AC phase
column type   packed GC

Description

General description

Packed column percolates the carrier gas through the porous bed. In a packed column, separation is achieved by moving the solutes apart. Packed columns are made up of two main materials; stainless steel and Pyrex glass. Metal packed columns are more suitable for long and high carrier gas flow rates to tolerate the elevated pressures. Chromosorb P is a diatomite support to any stationary phase. The stationary support is treated with acids to neutralise the Lewis acids. However, NAW is designated for the untreated or non-acid washed version of support.

An economical metal column should be used for less demanding applications where the inertness of glass is not required. This column is of a general configuration, and can be carefully bent to fit most instruments.

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