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23077 Supelco

Glass Packed GC Column (fits Agilent, Configuration "A")

phase 1.5% SP-2250 + 1.95% SP-2401, matrix 100/120 SUPELCOPORT support, L × O.D. × I.D. 6.6 ft (2.0 m) × 1/4 in. × 4.0 mm, TightSpec



Related Categories Analytical/Chromatography, Gas Chromatography (GC), Glass Packed GC Columns (fit Agilent, Configuration "A"), Packed GC Columns, Packed GC Columns and Components More...
material   glass column
application(s)   gas chromatography (GC): suitable
L × O.D. × I.D.   6.6 ft (2.0 m) × 1/4 in. × 4.0 mm, TightSpec
matrix   100/120 SUPELCOPORT support
matrix active group   1.5% SP-2250 + 1.95% SP-2401 phase
column type   packed GC


General description

Use a glass column for applications where high inertness is required, such as for the analysis of active analytes. All glass columns undergo a proprietary high temperature silanization to ensure inertness. This column fits Agilent 5880, 5890, 6890. 7820, and 7890 (configuration A, on-column injection, all detectors except TCD).

In a packed column, the carrier gas percolates through the porous bed and separation is achieved by moving the solutes apart. Packed columns are made up of two main materials; stainless steel and Pyrex glass. Pyrex glass columns are shaped as desired by coiling at about 700°C. Glass column are in some cases treated with silanizing reagent to eliminate the surface hydroxyl groups which becomes catalytically active and produce asymmetric peaks.

Other Notes

This is a TightSpec column, which conforms to within +/- 6 mm of its stated length.

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