•Column housed in Column Oven to maintain temperature
•Types – packed, open tubular, capillary
•
oldest ------------------ newest
•Capillary columns will take over completely
•Packed – tube (steel, glass, fused silica,
Teflon) packed with material
•Open Tubular – coated on walls
•Capillary – coated on walls, long & narrow
•Length range – 2 to 50 m (typically 30 m)