Equipment - Alltech Heliflex® AT-20 Capillary Columns

Alltech Heliflex® AT-20 capillary columns are a line of intermediate polarity fused silica GC columns manufactured and sold by Alltech Associates.

The stationary phase consists of 20% phenyl, 80% dimethylpolysiloxane. The columns are available in lengths of 10, 15, 25, 30, 50 and 60m, internal diameters of 0.25, 0.32, and 0.53mm and film thicknesses of 0.25, 1.00, 1.20, 1.50 and 3.00µm.

Applications include volatile compounds and solvents.

They are similar to Rtx-20, SBP-20, 007-7, VOCOL and PE-7 and columns.

A test chromatogram, instruction manual, capillary end caps and a ceramic column cutter are supplied with each column. For details on the specifications and applications of this line of columns, visit the Alltech website.

Alltech Econo-CapTM EC-20 versions of these capillary columns are available in lengths of 15 and 30m, internal diameters of 0.25, 0.32, 0.45 and 0.53mm and film thicknesses of 0.25, 1.00 and 1.20µm. A test chromatogram for each batch, an instruction manual and capillary end caps are supplied with each column.