产品特点:
Glass Packed气相色谱柱:
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.
material | glass column |
application(s) | gas chromatography (GC): suitable |
L × O.D. × I.D. | 6.6 ft (2.0 m) × 1/4 in. × 2.0 mm, TightSpec |
matrix | 80/120 Carbopack B DA support |
matrix active group | 4% Carbowax 20M phase |
column type | packed GC |
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