Polar-Deactivated Guard/Retention Gap Columns (Fused Silica), ID 0.53 mm, OD 0.69 ± 0.05 mm, Length 30 m, Restek (CAT#: STEM-C-0037-LC)

The Polar-Deactivated Guard/Retention Gap Columns (Fused Silica) manufactured by Restek have been tested with a comprehensive test mix to ensure high inertness. Polyethylene glycol deactivation layer offers optimum wettability for polar compounds. Minimize peak splitting when using polar solvents such as methanol or water.

ID: 0.53 mm
OD: 0.69 ± 0.05 mm
Length: 30 m

Compatible with Stabilwax, Rtx-225, and Rt-2330 capillary columns
Maximum temperature is 280°C

Rxi Guard/Retention Gap Columns (Fused Silica), ID 0.25 mm, OD 0.37 ± 0.04 mm, Length 5 m, Restek (CAT#: STEM-C-0038-LC)