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GC Retention Gaps

A GC column may become contaminated over time by the accumulation of non-volatile material and may be damaged by the continuous condensation and evaporation of solvents and analytes. By using GC retention gaps, also known as precolumns, the lifetime of the GC columns can be extended cost-effectively. Retention gaps are mainly used for focusing the sample components when introducing large (liquid) sample quantities onto the column.

GC retention gaps consist of a length of uncoated, deactivated fused silica capillary tubing placed between the GC injection port and the GC column. The columns are connected by press-fit connectors, also available in our shop. Our product portfolio includes GC retention gaps for various applications, with different lengths and different inner diameters from manufacturers such as Agilent and Restek, including our own cost-effective brand Altmann Analytik. Please contact our customer service if you have any questions on our products.

Items 1-50 of 404

Product Image of GC Retention Gap HMDS 60 m x 0.53 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 60 m x 0.53 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-053-60
Brand: Altmann Analytik
$1,100.74
Product Image of GC Retention Gap HMDS 30 m x 0.53 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 30 m x 0.53 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-053-30
Brand: Altmann Analytik
$606.07
Product Image of GC Retention Gap HMDS 20 m x 0.53 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 20 m x 0.53 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-053-20
Brand: Altmann Analytik
$460.27
Product Image of GC Retention Gap HMDS 10 m x 0.53 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 10 m x 0.53 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-053-10
Brand: Altmann Analytik
$230.95
Product Image of GC Retention Gap HMDS 5 m x 0.53 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 5 m x 0.53 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-053-5
Brand: Altmann Analytik
$116.30
Product Image of GC Retention Gap HMDS 2 m x 0.53 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 2 m x 0.53 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-053-2
Brand: Altmann Analytik
$47.50
Product Image of GC Retention Gap HMDS 1 m x 0.53 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 1 m x 0.53 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-053-1
Brand: Altmann Analytik
$22.94
Product Image of GC Retention Gap HMDS 60 m x 0.32 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 60 m x 0.32 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-032-60
Brand: Altmann Analytik
$954.96
Product Image of GC Retention Gap HMDS 30 m x 0.32 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 30 m x 0.32 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-032-30
Brand: Altmann Analytik
$547.10
Product Image of GC Retention Gap HMDS 20 m x 0.32 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 20 m x 0.32 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-032-20
Brand: Altmann Analytik
$355.44
Product Image of GC Retention Gap HMDS 10 m x 0.32 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 10 m x 0.32 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-032-10
Brand: Altmann Analytik
$178.54
Product Image of GC Retention Gap HMDS 5 m x 0.32 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 5 m x 0.32 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-032-5
Brand: Altmann Analytik
$90.10
Product Image of GC Retention Gap HMDS 1 m x 0.32 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 1 m x 0.32 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-032-1
Brand: Altmann Analytik
$18.02
Product Image of GC Retention Gap HMDS 60 m x 0.25 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 60 m x 0.25 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-025-60
Brand: Altmann Analytik
$925.46
Product Image of GC Retention Gap HMDS 30 m x 0.25 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 30 m x 0.25 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-025-30
Brand: Altmann Analytik
$519.24
Product Image of GC Retention Gap HMDS 20 m x 0.25 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 20 m x 0.25 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-025-20
Brand: Altmann Analytik
$355.44
Product Image of GC Retention Gap HMDS 10 m x 0.25 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 10 m x 0.25 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-025-10
Brand: Altmann Analytik
$178.54
Product Image of GC Retention Gap HMDS 5 m x 0.25 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 5 m x 0.25 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-025-5
Brand: Altmann Analytik
$90.10
Product Image of GC Retention Gap HMDS 2 m x 0.25 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 2 m x 0.25 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-025-2
Brand: Altmann Analytik
$37.68
Product Image of GC Retention Gap HMDS 1 m x 0.25 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 1 m x 0.25 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-025-1
Brand: Altmann Analytik
$18.02
Product Image of GC Retention Gap HMDS 30 m x 0.20 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 30 m x 0.20 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-020-30
Brand: Altmann Analytik
$691.25
Product Image of GC Retention Gap HMDS 20 m x 0.20 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 20 m x 0.20 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-020-20
Brand: Altmann Analytik
$460.27
Product Image of GC Retention Gap HMDS 10 m x 0.20 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 10 m x 0.20 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-020-10
Brand: Altmann Analytik
$230.95
Product Image of GC Retention Gap HMDS 5 m x 0.20 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 5 m x 0.20 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-020-5
Brand: Altmann Analytik
$116.30
Product Image of GC Retention Gap HMDS 2 m x 0.20 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 2 m x 0.20 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-020-2
Brand: Altmann Analytik
$47.50
Product Image of GC Retention Gap HMDS 1 m x 0.20 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 1 m x 0.20 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-020-1
Brand: Altmann Analytik
$22.94
Product Image of GC Retention Gap HMDS 30 m x 0.18 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 30 m x 0.18 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-018-30
Brand: Altmann Analytik
$691.25
Product Image of GC Retention Gap HMDS 20 m x 0.18 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 20 m x 0.18 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-018-20
Brand: Altmann Analytik
$460.27
Product Image of GC Retention Gap HMDS 10 m x 0.18 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 10 m x 0.18 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-018-10
Brand: Altmann Analytik
$230.95
Product Image of GC Retention Gap HMDS 5 m x 0.18 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 5 m x 0.18 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-018-5
Brand: Altmann Analytik
$116.30
Product Image of GC Retention Gap HMDS 2 m x 0.18 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 2 m x 0.18 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-018-2
Brand: Altmann Analytik
$47.50
Product Image of GC Retention Gap HMDS 1 m x 0.18 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 1 m x 0.18 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-018-1
Brand: Altmann Analytik
$22.94
Product Image of GC Retention Gap HMDS 30 m x 0.15 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 30 m x 0.15 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-015-30
Brand: Altmann Analytik
$691.25
Product Image of GC Retention Gap HMDS 20 m x 0.15 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 20 m x 0.15 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-015-20
Brand: Altmann Analytik
$460.27
Product Image of GC Retention Gap HMDS 10 m x 0.15 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 10 m x 0.15 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-015-10
Brand: Altmann Analytik
$230.95
Product Image of GC Retention Gap HMDS 5 m x 0.15 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 5 m x 0.15 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-015-5
Brand: Altmann Analytik
$116.30
Product Image of GC Retention Gap HMDS 2 m x 0.15 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 2 m x 0.15 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-015-2
Brand: Altmann Analytik
$47.50
Product Image of GC Retention Gap HMDS 1 m x 0.15 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 1 m x 0.15 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-015-1
Brand: Altmann Analytik
$22.94
Product Image of GC Retention Gap HMDS 20 m x 0.10 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 20 m x 0.10 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-010-20
Brand: Altmann Analytik
$460.27
Product Image of GC Retention Gap HMDS 10 m x 0.10 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 10 m x 0.10 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-010-10
Brand: Altmann Analytik
$230.95
Product Image of GC Retention Gap HMDS 5 m x 0.10 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 5 m x 0.10 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-010-5
Brand: Altmann Analytik
$116.30
Product Image of GC Retention Gap HMDS 2 m x 0.10 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 2 m x 0.10 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-010-2
Brand: Altmann Analytik
$47.50
Product Image of GC Retention Gap HMDS 1 m x 0.10 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 1 m x 0.10 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-010-1
Brand: Altmann Analytik
$22.94
Product Image of GC Retention Gap HMDS 10 m x 0.05 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 10 m x 0.05 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-005-10
Brand: Altmann Analytik
$230.95
Product Image of GC Retention Gap HMDS 5 m x 0.05 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 5 m x 0.05 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-005-5
Brand: Altmann Analytik
$116.30
Product Image of GC Retention Gap HMDS 2 m x 0.05 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 2 m x 0.05 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-005-2
Brand: Altmann Analytik
$47.50
Product Image of GC Retention Gap HMDS 1 m x 0.05 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap HMDS 1 m x 0.05 mm, HMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-HMDS-005-1
Brand: Altmann Analytik
$22.94
Product Image of GC Retention Gap DPTMDS 60 m x 0.53 mm, DPTMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap DPTMDS 60 m x 0.53 mm, DPTMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-DPTMDS-053-60
Brand: Altmann Analytik
$1,100.74
Product Image of GC Retention Gap DPTMDS 30 m x 0.53 mm, DPTMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap DPTMDS 30 m x 0.53 mm, DPTMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-DPTMDS-053-30
Brand: Altmann Analytik
$606.07
Product Image of GC Retention Gap DPTMDS 20 m x 0.53 mm, DPTMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
GC Retention Gap DPTMDS 20 m x 0.53 mm, DPTMDS Deactivated High Temperature Fused Silica Retention Gap / Precolumn
Item number: AARETGHT-DPTMDS-053-20
Brand: Altmann Analytik
$460.27

Items 1-50 of 404

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