21207
Empty Glass GC Column, for Varian® 3000, 4000, 6000, and Vista (FID, Inj. A to Det. A, On-Column)
L × O.D. × I.D. 3.3 ft (1.0 m) × 1/4 in. × 2.0 mm, TightSpec
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About This Item
UNSPSC Code:
41121800
material
glass column
technique(s)
gas chromatography (GC): suitable
L × O.D. × I.D.
3.3 ft (1.0 m) × 1/4 in. × 2.0 mm, TightSpec
column type
empty
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General description
GC columns are of two types; packed column and capillary column. Capillary column carries the gas through a central aperture which is unimpeded through the entire length of column. In general, capillary columns are made longer to produce more theoretical plates. This also helps in band dispersion eventually narrowing the peaks and resulting in high resolution.[1]
Silane treated empty glass column. Fittings are not included.
- X (length of injector arm) = 9.31 in. (236 mm)
- Y (length of detector arm) = 8.0 in. (203 mm)
- S (span, injector to detector) = 5.5 in. (140 mm)
Application
Empty column may be used for packing adsorbents for temperature-programmed desorption (TPD) instrumentation.[2]
Other Notes
This is a TightSpec column, which conforms to within +/- 6 mm of its stated length.
Legal Information
Varian is a registered trademark of Varian Medical Systems, Inc.
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The determination of active filter aid adsorption sites by temperature-programmed desorption.
Zhu. Z. Y.
Journal of the American Oil Chemists' Society, 71, 189-194 (1994)
Raymond P. W. Scott
Introduction to Analytical Gas Chromatography (1997)
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