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GC Columns

GC (Gas Chromatography) columns are critical components in analytical chemistry, utilized predominantly for separating volatile substances in complex mixtures. These columns are meticulously designed to achieve high-resolution separation of chemical compounds based on their volatilities and interaction with the column's stationary phase. Key quantifiable features of GC columns include their length, internal diameter, and film thickness, which collectively influence their separation efficiency, resolution, and analysis time. Typically, these columns range from 1 to 100 meters, with internal diameters from 0.1 mm to 0.53 mm. The film thickness of the stationary phase usually varies between 0.1 µm to 5 µm.GC columns are crafted from fused silica, a material chosen for its excellent thermal stability and flexibility. It allows the columns to operate effectively across a broad temperature range — generally from -60°C to about 350°C. This capability is essential for analyzing various chemical substances, from simple gases to complex, high-molecular-weight organics. 

The choice of stationary phase material (e.g., polysiloxane or polyethylene glycol) within the column depends on the specific application, such as the analysis of environmental pollutants, flavors and fragrances, pharmaceuticals, or petrochemicals. Each type of stationary phase offers distinct selectivity for different chemical classes, thereby enhancing the accuracy and specificity of the separation process.GC columns also come with configurations like packed or capillary types, with capillary columns being more prevalent in modern applications due to their higher efficiency, sensitivity, and faster analysis capabilities. These features make GC columns indispensable tools in forensic, environmental, and quality control laboratories, where precision and reliability are paramount.


607 Listings found for GC Columns
New
Restek GC Columns Fused Silica Capillary PLOT Columns Chromatography Columns NEW
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New
Restek GC Columns Packed Columns Chromatography Columns NEW
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New
Restek GC Columns Metal (MXT) Capillary Retention Gap/Guard Chromatography Columns NEW
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New
Restek GC Columns Fused Silica Capillary Rtx (Restek Original) Chromatography Columns NEW
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New
Restek GC Columns Fused Silica Capillary Rtx (Rest
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New
Restek GC Columns Micropacked Columns Chromatography Columns NEW
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New
Restek GC Columns Metal (MXT) PLOT Columns Chromatography Columns NEW
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New
Restek GC Columns Fused Silica Capillary Retention Gap/Guard Chromatography Columns NEW
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New
Restek GC Columns Metal (MXT) Capillary Chromatography Columns MXT 1HT SimDist/Biodiesel TG/Volatiles/65TG/502.2/624/1 SimDis
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New
Restek GC Columns Fused Silica Capillary Rxi High-Performance Chromatography Columns 5Sil MS/5ms/1ms/624Sil MS/17Sil MS/Guard
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New
Phenomenex Zebron™ GC Columns
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Used
VARIAN PRE PACKED GC COLUMNS 00
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Used
AGILENT TECHNOLOGIES AGILENT J & W GC COLUMNS (CAPILLARY) : CP7761, CP-SIL8CB 25X032 (12)
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Used
Protein Chromatography columns - LOT
$2,500.00 USD
New
GC Column Lot - All new in sealed boxes
$15,000.00 USD
New
Restek GC Column
$600.00 USD
Refurbished
Agilent 6890 GC with Wasson ECE Special Valve System
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New
EconoFit Prepacked Low-Pressure Chromatography Columns
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New
16797
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New
16795
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New
16794
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Used
Agilent Intuvo 9000 GC System G3950A
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Used
Agilent Technologies Intuvo 9000 Gas Chromatograph
$19,997.00 USD
Used
Unused Agilent Technologies Intuvo 9000 GC System with 5977C GC/MSD, G4567A and 7697A Headspace
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Not Specified
HP/Agilent 6890 GC Support, Maintenance & Parts
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