物料
stainless steel column
技术
gas chromatography (GC): suitable
长度 × 外径 × 内径
8.0 ft (2.4 m) × 1/8 in. × 2.1 mm
色谱柱类型
empty
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一般描述
For less demanding applications where the inertness of glass is not required, choose more economical stainless steel. Column can be carefully bent to fit most instruments.
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. Metal capillary columns should be cleaned to remove traces of extrusion lubricants before being coated.
应用
Empty column may be used for packing adsorbents.
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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