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GC Columns

Open and packed gas chromatography columns; includes retention gap columns for focusing liquid samples and guard columns to protect the analytical column from contamination.
GC Capillary Columns (4,799)
GC Packed Columns (493)

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346 – 360 of 2,791 results
346

Restek™ Hydroguard Water-Resistant Fused Silica Guard Tubing
SDP

Extend analytical column lifetime by preventing degradation from harsh steam-cleaning water injections.

347

Restek™ RTX™-1 Capillary Columns, Under 30m, Particle Size 1.50μm or Less: I.D. 0.25mm
SDP

Fused silica

Max. Temperature 350°C
Diameter (Metric) Inner 0.25 mm
Polarity Non polar
Material Stainless Steel
Coating Fused Silica
USP Type G1, G2, G38
348

Restek™ RTX™-1 Capillary Columns, Particle Size Greater Than 1.50μm: 15m Length
SDP

General-purpose columns for solvent impurities

Max. Temperature 350°C
Length (Metric) 15 m
Polarity Non polar
Material Stainless Steel
Coating Fused Silica
USP Type G1, G2, G38
349

Restek™ RTX™-2887 Capillary Columns
SDP

Application-specific column for simulated distillation.

Particle Size 2.65 μm
Max. Temperature 350°C
Stationary Phase Rtx™-2887
Length (Metric) 10 m
Diameter (Metric) Inner 0.53 mm
Temperature Range -60°C to +360°C
Material Stainless Steel
Coating Fused Silica
For Use With (Application) Organophosphorous Pesticides Analysis,Organophosphorous Pesticides
Film Thickness 2.65 μm
350

Restek™ Rtx-20 Capillary Columns - 60m Length
SDP

Max. Temperature 350°C
Length (Metric) 60 m
Polarity Low to mid polar
Material Stainless Steel
Coating Fused Silica
USP Type G28, G32
351

Restek™ Rtx™-35 Capillary Columns - 60m Length
SDP

Fused silica capillary; Nonpolar phase; Cross bond 100% dimethyl polysiloxane

352

Restek™ Rtx-OPPesticides Capillary Columns
SDP

Application-specific column for organophosphorus pesticides, U.S. EPA Method 8141.

Max. Temperature 350°C
Stationary Phase Rtx™-OPP
Length (Metric) 30 m
Temperature Range -20°C to +310/330°C
Material Stainless Steel
Coating Fused Silica
For Use With (Application) Organochlorine Pesticides Analysis,GC/NPD or GC/MS,Organochlorine Pesticides,Herbicides Analysis
353

Restek™ Rtx™-35 Amine Capillary Columns
SDP

Application-specific columns

Max. Temperature 350°C
Stationary Phase Rtx™-35 Amine
Polarity Mid polar
Temperature Range 0°C to 220°C
Material Stainless Steel
Coating Fused Silica
USP Type G42
354

Restek™ Stx™-CLPesticides2 Capillary Columns
GSA_VA SDP

Fused silica with Siltek™ deactivation

Max. Temperature 330°C
Stationary Phase Stx™ -CLPesticides2
Packing Material Stx™ -CLPesticides2
Temperature Range -60°C to +310/330°C
Coating Fused Silica
For Use With (Application) Organochlorine Pesticides Analysis,Herbicides Analysis
355

Restek™ RTX™-1701 Capillary Columns, Length 30m or Less: I.D. 0.53mm
SDP

General-purpose columns for alcohols, oxygenates, PCB congeners (e.g. Aroclor mixes), pesticides

Max. Temperature 350°C
Diameter (Metric) Inner 0.53 mm
Polarity Mid polar
Material Stainless Steel
Coating Fused Silica
Functionality/Interaction Type Cyano and Phenyl
USP Type G46
356

Restek™ Rt™-yDEXsa Capillary Columns
SDP

For larger organic molecules and flavor compounds in fruit juices

Length (Metric) 30 m
Temperature Range 40°C to 230°C
Coating Fused Silica
357

Restek™ Rtx 5PONA Fused Silica Tuning Column
SDP

Crossbond 5% diphenyl/95% dimethyl polysiloxane

358

Restek™ Rtx-35MS Capillary Columns
SDP

Low-bleed GC/MS Columns (fused silica). Column specifically tested for low bleed performance.

Max. Temperature 350°C
Type Capillary Column
Quantity 1 Each
Polarity Mid polar
Material Stainless Steel
Coating Fused Silica
USP Type G42
359

Restek™ Innovative Integra-Guard Columns
GSA_VA SDP

Fused silica columns specifically tested for low-bleed performance.

360

Restek™ Innovative Integra-Guard™ Rtx™-1301 Columns
SDP

Incorporate both guard column and analytical column in a continuous length of tubing