BIST™ Guard Columns

SIELC BIST Guard Column

SIELC BIST™ Columns – Guard

The BIST™ guard column is a uniquely designed, direct-insert column that requires no additional holder and enables zero-dead-volume connection to the main column. Guard columns are available for all SIELC packing materials.

Each guard contains a 10 mm packing bed and is offered in internal diameters of 1.0 mm, 2.1 mm, 3.2 mm, and 4.6 mm. Guard columns are sold and shipped in packs of 2.

BIST™ guard columns