质量水平

100

物料

brass fittings
stainless steel column

manufacturer/tradename

Agilent

参数

0-190 °C temperature (isothermal or programmed)

应用

gas chromatography (GC): suitable

长度 × 外径 × 内径

6.0 ft (1.8 m) ×  1/8  in. × 2.1 mm

基质

80/100 Porapak N support

基质活性基团

none phase

色谱柱类型

packed GC

相容性

for use with Agilent Configuration A

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一般描述

The carrier gas percolates through the porous bed in packed columns. 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. Porapak N are porous polymer beads which provides significantly lower background at the carbon emission line. They are suitable in separating H₂, CH₄ and CO₂.

An economical metal column should be used for less demanding applications where the inertness of glass is not required. This column fits Agilent 5880, 5890, 6890, 7820, and 7890 (configuration A, on-column injection, all detectors except TCD).

应用

Stainless steel columns packed with Porapak N and molecular sieve may be used to determine the methanogenic degradation by analysing headspace gas with GC.