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Gas Chromatography (GC) is a powerful analytical technique used across many industries. Selecting the correct supplies is crucial for accurate, reproducible results and efficient laboratory operations. Investing in high-quality GC consumables ensures the longevity of your instrument and the integrity of your data.
PROFESSIONAL LAB GRADE GLASS WOOL:Designed for laboratory and analytical applications, this high-purity alkali-free fiberglass wool delivers excellent chemical stability and dependable performance. Ideal for chromatography systems, filtration setups, and...
IDEAL FOR GAS CHROMATOGRAPHY & COLUMN PACKING:Perfect for GC inlet liners, packed columns, thermal desorption tubes, solvent filtration, and analytical chemistry procedures. The uniform fiber structure helps maintain stable packing density and improves...
HIGH TEMPERATURE RESISTANCE UP TO 1292°F:Engineered to withstand demanding high-temperature laboratory environments up to 700°C / 1292°F without melting or degrading easily. Maintains fiber integrity and thermal stability during chromatography...
LOW ALKALI CHEMICALLY INERT FORMULA: manufactured with alkali-free borosilicate fiberglass; Suitable for petroleum analysis, environmental monitoring, material testing, and sensitive analytical experiments
MULTI-PURPOSE LABORATORY APPLICATIONS:Widely used for chromatography filtration, air sampling equipment, insulation support, catalyst packing, laboratory filtration, and scientific research projects. Easy to separate, shape, and pack for various...
✅LOW EXPANSION COEFFICIENT - 9mm Screw Thread Autosampler Vials are made of clear Type 1, Class A Borosilicate Glass with very low expansion coefficient. It shows excellent chemical resistance to acidic and neutral solutions, due to its relatively low...
✅9-425 SCREW VIALS - 2ml sample Vials with unique thread design ensures consistent seal and can be reused, not volatile, easy to use, Amber vial with large writing patch for sample identification.
✅PTFE/SILICONE SEPTA - 2ml Clear GC sample vials included blue ABS Screw Cap & Septa (Red PTFE/White Silicone Liner) This PTFE/Silicone septa with PTFE chemically inert before being penetrated and strongest repetitive sealing ability-recommended for...
✅APPLICATION - Standard Autosampler Vial for HPLC & GC Chromatography, sample vials can be used for high performance liquid chromatography and gas chromatography for reliable analysis results
Amber Vial Material : ND9mm Screw Thread Autosampler Amber Lab Vials are made of Type 1, Class B Borosilicate Glass with a writable label for sample identification
Ribbed Screw Cap with PTFE/Silicone Septa : 2ml Amber autosampler vial included blue ABS Screw Cap & Septa (Red PTFE/White Silicone Liner) This PTFE/Silicone septa with PTFE chemically inert before being penetrated and strongest repetitive sealing...
Easy to Use : 9-425 screw top vials is 40% larger opening than standard narrow opening vials, 2ml HPLC Vials with Unique Thread Design Ensures Consistent Seal and Can Be Reused, Not Volatile
Application: Standard Autosampler Vial for HPLC & GC Chromatography, vials can be used for high performance liquid chromatography and gas chromatography for reliable analysis results and can be used on all common autosamplers due to their technical...
VIALS DIMENSION: These sample vials closure size 9mm, Diameter outer 12mm, Height 32mm, Vial Volume 2ml. Pack of 1000.
CLEAR GLASS BOTTLE: Clear borosilicate glass conforming to USP Type I and ASTM E439, Type I, Class A requirements. It is ideal for containing all injectable preparations with acid, neutral and alkaline pH, It also has good resistance to thermal shocks and...
SEALED DESIGN & REUSABLE: Polypropylene screw cap with precision-fit septa provide an evaporation-proof seal. Bi-layer includes silicone and PTFE. Silicone septa for multiple injections. PTFE-lined screw cap for organic samples.
EASY TO DISTINGUISH: Writing patch for sample identification or labeling. Short-thread caps and vials require fewer turns to make a tight seal, saving time, especially considering how often vials need to be opened and closed, and how many samples you...
WIDE APPLICATION: These headspace vials and caps are ideal for most standard HPLC and GC applications and high-throughput analyses. The lab vials can be used in high-performance liquid chromatography and gas chromatography for reliable analysis results.
【Durable Glass Bottle】HPLC vials have heat resistance and high chemical resistance and are suitable for accommodating reagents with acidic, neutral, and alkaline pH values
【Sealed Design】Lab vials feature a unique screw design that ensures a consistent seal. Silicone septa and PTFE provide an evaporation-tight seal for compound sample storage in the chemical industry and research laboratories
【Easy to Distinguish】This vial has white printed graduations in 1ml increments and a large writing area for sample identification or labeling.
【Screw Vials】Our 4ml HPLC vials are 14.4mm in diameter and 45mm in height, which is suitable for common autosampler.
【Wide Applications】Lab vial is suitable for HPLC, GC, LC/MS applications, and high-throughput analysis for reliable results. Sample vials can be used on all common automatic stamper for thin-neck bottles
Excellent unit-to-unit and lot-to-lot reproducibility and consistency
Main features:Broad chemical compatibility;Strong chemical stability and inertia;PTFE can be either hydrophobic or hydrophilic;Applicable PH value 1-14
Attention:【Pre- Cut Septa Screw Vials】The vials come with pre-slit septa that allow for easy needle penetration and sample extraction without the need for additional tools or equipment.
【Durable Glass Bottle】HPLC vials have heat resistance and high chemical resistance and are suitable for accommodating reagents with acidic, neutral, and alkaline pH values.
【Sealed Design】Lab vials feature a unique screw design that ensures a consistent seal. Silicone septa and PTFE provide an evaporation-tight seal for compound sample storage in the chemical industry and research laboratories.
【Easy to Distinguish】This vial has white printed graduations in 0.5ml increments and a large writing area for sample identification or labeling. Our 2ml HPLC vials are 12mm in diameter and 32mm in height, which is suitable for common autosampler.
【Wide Applications】Lab vial is suitable for HPLC, GC, LC/MS applications, and high-throughput analysis for reliable results. Sample vials can be used on all common automatic stamper for thin-neck bottles
Last update on 2026-09-01 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lab Chromatography GC Supplies
Understanding GC Consumables
Gas Chromatography relies on a variety of consumables to function effectively. These include columns, vials, septa, syringes, ferrules, and fittings. Each component plays a vital role in sample introduction, separation, and detection. The quality and compatibility of these supplies directly impact the performance and reliability of your GC system.
Choosing the Right GC Column
The GC column is the heart of the separation process. Key considerations include:
Phase Chemistry: Select a stationary phase based on the polarity of the analytes you intend to separate. Common phases include non-polar (e.g., polydimethylsiloxane) and polar (e.g., polyethylene glycol) options.
Dimensions: Column length, internal diameter, and film thickness influence resolution, speed, and capacity. Longer columns generally provide better resolution but increase analysis time.
Carrier Gas Compatibility: Ensure the column is suitable for your chosen carrier gas (helium, hydrogen, or nitrogen).
Vials, Septa, and Syringes for Sample Introduction
Accurate sample injection is paramount. When selecting these items, consider:
Vial Material and Volume: Glass vials are standard, but some applications may require inert materials. Choose a volume that accommodates your sample size and autosampler requirements.
Septa Properties: Septa must provide a good seal to prevent leaks and avoid contamination. Look for low-bleed materials that are compatible with your injection temperatures.
Syringe Type: Autosampler syringes have specific requirements for volume and needle gauge. Manual injection syringes offer more flexibility but require careful handling.
Fittings and Ferrules for a Leak-Free System
Leaks in the GC system can lead to inaccurate baselines and reduced sensitivity. Proper fittings and ferrules are essential:
Material: Stainless steel and graphite ferrules are common. Ensure compatibility with your column and detector.
Type: Compression fittings offer a secure seal. Ensure they are designed for the pressures and temperatures of your GC system.
Comparison Tips for GC Supplies
When comparing GC supplies, prioritize:
Manufacturer Specifications: Always check that the consumables meet the requirements of your specific GC instrument model.
Material Quality: Opt for high-purity materials to minimize background noise and contamination.
Batch-to-Batch Consistency: For critical applications, inquire about lot traceability and consistency.
Reviews and Recommendations: Consult with colleagues or review user feedback for insights into performance and reliability.
Frequently Asked Questions
What is the most critical GC consumable for separation?
The GC column is the most critical consumable for separation. Its stationary phase and physical dimensions determine the ability to resolve different compounds in a sample.
How often should GC septa be replaced?
GC septa should be replaced regularly, typically after a certain number of injections or when signs of wear, such as hardening or coring, are observed. This prevents leaks and sample contamination.
What are the common carrier gases used in GC?
The most common carrier gases used in GC are helium, hydrogen, and nitrogen. The choice of carrier gas can affect separation efficiency and analysis time.
Can I use any vial with my GC autosampler?
Not necessarily. Autosamplers have specific vial size and type requirements. Ensure the vials are compatible with your autosampler's tray and injection mechanism.
What does 'column bleed' mean in GC?
Column bleed refers to the release of stationary phase material from the GC column, which can create a high baseline signal. Low-bleed columns are essential for sensitive analyses.
Why is carrier gas purity important for GC?
Carrier gas purity is crucial because impurities can react with analytes, damage the column, or interfere with detector performance. High-purity gases ensure reliable and accurate results.
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