Column connector (Injection ferrule, interface ferrule, nut)

Last update: October 6, 2020

Nuts and Ferrules
Name P/N Appearance
SilTite™ Nut(5 pcs) 221-75186
SilTite™ Metal Ferrule(10 pcs) 221-72563-04
SilTite™ Metal Ferrule(10 pcs) 221-72563-05
SilTite™ Metal Ferrule(10 pcs) 221-72563-08
SilTite™ Metal Ferrule(10 pcs) 221-75200-04
SilTite™ Kit(10 pcs ferrules, 2 pcs nuts) 221-75200
SilTite™ Kit(10 pcs ferrules, 2 pcs nuts) 221-75200-01
SilTite™ Kit(10 pcs ferrules, 2 pcs nuts) 221-75200-02
SilTite™ Kit(10 pcs ferrules, 2 pcs nuts) 221-75200-03
Nut without slit(10 pcs) 221-16325-81
Nut with slit(5 pcs) 221-32705-84
Press-Tight™ Connectors
Press-Tight™ Connectors

This connector is used to connect capillary columns easily by inserting the columns into the connector from both ends. When the columns are coated with polyimide resin, the connection will remain tight almost permanently and will be completely free of leakage.
Applicable to 0.35 mm to 0.8 mmOD capillary columns.

Name P/N
Press-Tight™ Connector
(5 pcs with 5 g polyimide resin)
Press-Tight™ Connector (5 pcs)
Capillary Tube Cutters

To cut a fused silica capillary tube, score the desired part with the above cutters, which have a ceramic blade, and snap at the position.
The figure on the right shows an easy-to-use pen type. A spare blade is included.

Name P/N Appearance
Capillary Tube Cutter
(pen type with 1pc spare blade)
221-50595-91
Capillary Tube Ceramic Cutter (3 pcs)
Glass-Lined Stainless Steel Joint
Glass-Lined Stainless Steel Joint

This is a compact joint to connect capillary columns. The glass lining minimizes the adsorption of sample components. To ensure a positive connection, it is necessary to cut the ends of capillary columns properly to match each other.

Name P/N
Mini-union
(with 5 pcs graphite ferrules)
Mini-union
(with 5 pcs graphite ferrules)
Mini-union
(with 5 pcs graphite ferrules)
Glass-Lined Stainless Steel Joint
Name P/N
Graphite Ferrule(10 pcs)
Graphite Ferrule(10 pcs)