Typically a tube of sorts that contains the stationary phase of a chromatographic system.

The term "column" was found in the following pages:

Instrument database: CAMECA SAS - SX-100
Instrument database: Agilent Technologies Inc. - 6890 N GC
Instrument database: Nippon Instruments Corporation - WA-4 Double-amalgamation atmospheric mercury measuring equipment
Occurrence of monoethylmercury in the Florida Everglades verified | EVISA's News
Ion chromatography and ICP-MS determination of arsenic species in marine samples | EVISA's News
Instrument database: Gilson, Inc - FC 204 Fraction Collector
Certified Reference Materials for Speciation Analysis | EVISA's News
Instrument database: Agilent Technologies Inc. - Capillary Electrophoresis System
Instrument database: Thermo Scientific - Focus GC
Instrument database: Shimadzu Europe - Crude2Pure
US Regulation related to elemental species: TBT | EVISA's News
Instrument database: Agilent Technologies Inc. - 8453 UV-Visible Spectrophotometer
HPLC 2012: 38th International Symposium on High Performance Liquid Phase Separations and Related Techniques | EVISA's Agenda of Events
Instrument database: Bio-Rad Laboratories - UV Detector With Conductivity Monitor
Instrument database: Dionex Corporation - ICS-1600 Standard Integrated IC System
Instrument database: Varian Inc. - CP-3800 Gas Chromatograph
Company database: ZirChrom Separations Inc.
Instrument database: Agilent Technologies Inc. - 1220 Infinity LC System
Instrument database: Shimadzu Europe - GC-14 Gas Chromatograph
Instrument database: Chemito Instruments Pvt. Ltd. - Ceres 800 Plus Gas Chromatograph