Restek GC Columns
Restek is globally recognized for its high-performance gas chromatography (GC) columns, offering unparalleled reliability, reproducibility, and selectivity across a wide range of analytical applications. Whether for routine quality control or advanced research, Restek’s GC columns deliver the precision and durability that laboratories depend on.
Key Product Categories
1. Fused Silica Capillary Columns
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Rtx®-1: Non-polar phase (100% dimethylpolysiloxane), ideal for general-purpose applications, solvents, and hydrocarbons.
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Rtx®-5: Slightly polar phase (5% diphenyl / 95% dimethylpolysiloxane), suitable for environmental pollutants, pesticides, and pharmaceutical residues.
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Rtx®-1701: Medium-polarity phase (14% cyanopropylphenyl / 86% dimethylpolysiloxane), ideal for pesticides, semi-volatiles, and industrial chemicals.
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Rtx®-Wax: Polar polyethylene glycol phase for alcohols, aldehydes, ketones, and other polar analytes.
2. Metal Capillary Columns
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MXT® Series: Metal tubing versions (e.g., MXT-1, MXT-5) with enhanced mechanical strength, designed for high-temperature GC or rugged environments.
3. Chiral GC Columns
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Rt-βDEX® Series: Cyclodextrin-based stationary phases for the resolution of enantiomers in complex mixtures—widely used in pharmaceutical and flavor/fragrance analysis.
Advantages of Restek GC Columns
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✅ Exceptional Reproducibility: Consistent results across multiple runs and instruments.
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✅ Thermal Stability: Wide temperature ranges for diverse analytes, from volatiles to high-boiling compounds.
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✅ Low Bleed: Clean baselines and compatibility with sensitive detectors like MS.
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✅ Application Flexibility: Columns available for standard, fast GC, multidimensional GC, and more.
Application Areas
Restek GC columns are suitable for numerous industries and testing environments:
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Environmental Testing: VOCs, SVOCs, pesticides, and dioxins in water, air, and soil.
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Pharmaceuticals: Residual solvents, enantiomeric purity, and impurities analysis.
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Food and Beverage: Flavor profiling, contaminants, additives, and alcohol content.
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Petrochemical & Energy: Hydrocarbon speciation, gas composition, and sulfur analysis.
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Forensics & Toxicology: Drug screening, arson analysis, and forensic VOC profiling.
For support in selecting the ideal GC column for your method or matrix,
👉 Click here to explore the full Restek GC column selection