Gas Chromatography (GC) column accessories are critical components that ensure the optimal performance and longevity of your GC system. Selecting the right accessories can significantly impact separation efficiency, reduce baseline noise, and prevent costly column damage. This guide will help you navigate the essential factors to consider when purchasing these vital lab tools.
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- Chromatography column
- 24/40 Joint; G2 40~80 μm Nominal Max. pore size
- With Fritted Disc and PTFE Stopcock
- 25mm in column O.D. And 203mm in effective length
- StonyLab ensures premium products and premium customer service; if received damaged, please contact us immediately; we will solve it until satisfied
- Chromatography column with 24/40 joint and fritted disc, (G2) 30~50 μm Nominal Max. pore size.
- The chromatography column has a standard taper outer joint at the top, a fritted disc, a 2mm PTFE stopcock at the bottom and thick-wall design for improving safety under pressurization.
- Glass chromatography columns are made of borosilicate glass, low expansion coefficient, high transparency and high chemical chemistry, durable and sturdy.
- These columns are ideal for fast separations in absorption chromatography applications.
- Tailored for the precise separation of mixtures containing diverse organic compounds, facilitating comprehensive experimentation and research in various laboratory settings.
- Glass chromatography column with sintered disc, ideal for in-column operations in chemical experiments
- 30mm column O.D. and 300 mm effective length
- Standard 24/40 taper outer joint at the top, equipped with a fritted disc and a PTFE stopcock
- Made of high borosilicate glass, featuring a thick-walled design for reusability; maximum withstand temperature 250°C
- Warranty: Labasics 1-year limited warranty; if received damaged, please contact us immediately; we will solve it until satisfied
- Package contents: 15mL collection tube, 4mL purification column, 2 hydrophobic screening plates, bottom cover
- Customizable with Chromatographic Media: Empty column design allows you to pack chromatographic media according to specific experimental requirements, flexible for various protein purification protocols and reducing unnecessary waste
- Centrifugation Principle for Fast Purification: Relies on centrifugation for protein purification, accelerating the separation process significantly compared to traditional methods, which greatly improves your experimental efficiency
- Wide Application in Life Sciences: Ideal for affinity chromatography, nucleic acid desalting, immunoprecipitation (IP), and co-immunoprecipitation (Co-IP)—a versatile tool for molecular biology and biochemistry research
- Reliable Performance for Accurate Results: Equipped with high-quality components to ensure stable centrifugal operation; minimizes sample loss, helping you obtain reproducible and reliable experimental data
- Chromatography column with 19/22 joint and fritted disc, (G2) 30~50 μm Nominal Max. pore size.
- The chromatography column has a standard taper outer joint at the top, a fritted disc, a 2mm PTFE stopcock at the bottom and thick-wall design for improving safety under pressurization.
- Glass chromatography columns are made of borosilicate glass, low expansion coefficient, high transparency and high chemical chemistry, durable and sturdy.
- These columns are ideal for fast separations in absorption chromatography applications.
- Tailored for the precise separation of mixtures containing diverse organic compounds, facilitating comprehensive experimentation and research in various laboratory settings.
- Complete Accessory Combination: Including empty column tube, upper and lower lids, upper and lower hydrophilic frit plates. All matched components are integrated for direct assembly, saving your preparation time and meeting daily chromatographic...
- Premium Material Guarantees Purity: UHMW-PE hydrophilic frits enable controllable flow, avoid protein adsorption, and retain target product activity & purity for accurate results
- Gravity Design, Easy to Use: Gravity-based purification requires no special equipment. Even novice users can master it quickly, saving equipment learning & maintenance costs
- Ideal for Protein-Specific Purification: Specialized for purifying recombinant proteins, glycoproteins, phosphorylated proteins and DNA-binding proteins—tailored for lab protein research
- Reliable Performance for Stable Tests: Combines controllable flow, no protein adsorption, and easy use. Maintains stability in repeated use, minimizing errors for reproducible data
- 300mm Effective Length,40mm Column O.D. G3 Sand Core Chromatography Column
- G3 Pore Size Sand Core 16-30um can filter out fine precipitate, filter mercury
- Pressure Reducing standard 24/40 ground glass joint
- Made of Borosilicate 3.3 glass by hand-blowing, customizable
- Chromatography column with 24/40 joint and fritted disc, (G2) 30~50 μm Nominal Max. pore size.
- The chromatography column has a standard taper outer joint at the top, a fritted disc, a 2mm PTFE stopcock at the bottom and thick-wall design for improving safety under pressurization.
- Glass chromatography columns are made of borosilicate glass, low expansion coefficient, high transparency and high chemical chemistry, durable and sturdy.
- These columns are ideal for fast separations in absorption chromatography applications.
- Tailored for the precise separation of mixtures containing diverse organic compounds, facilitating comprehensive experimentation and research in various laboratory settings.
- Chromatography column with 24/40 joint and fritted disc, (G2) 30~50 μm Nominal Max. pore size.
- The chromatography column has a standard taper outer joint at the top, a fritted disc, a 2mm PTFE stopcock at the bottom and thick-wall design for improving safety under pressurization.
- Glass chromatography columns are made of borosilicate glass, low expansion coefficient, high transparency and high chemical chemistry, durable and sturdy.
- These columns are ideal for fast separations in absorption chromatography applications.
- Tailored for the precise separation of mixtures containing diverse organic compounds, facilitating comprehensive experimentation and research in various laboratory settings.
- 1. Use a disposable syringe to draw 5 mL of chromatographic pure methanol and push it into the C18 cartridge at a flow rate of 2~4 mL/min.
- 2. Use a disposable syringe to draw 10mL of secondary deionized water and push it into the C18 cartridge at a flow rate of 2~4mL/min.
- 3. The C18 cartridge should be placed flat for 20 minutes to ensure its full activation.
- 4. Use a disposable syringe to draw the sample solution, push it into C18 at a flow rate of 2~4mL/min, and discard the first 3mL.
- 5. Collect the following liquid, combine it with a syringe filter, and directly enter the ion chromatography for analysis, or transfer it to a sample bottle for sample injection analysis through an autosampler.
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Last update on 2026-04-30 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lab Chromatography GC Column Accessories
Understanding GC Column Accessories
GC column accessories encompass a range of items designed to facilitate the use, maintenance, and protection of GC columns. These can include ferrules, fittings, guard columns, septa, and cleaning solutions. Each plays a specific role in maintaining system integrity and ensuring reproducible results. For instance, ferrules create leak-free seals at the column connections, while guard columns protect the analytical column from sample matrix contaminants.
Key Considerations for Selection
- Material Compatibility: Ensure the accessory material is compatible with your carrier gas, sample components, and operating temperatures to avoid contamination or degradation. Common materials include PEEK, stainless steel, and graphite.
- Column Dimensions: Accessories like ferrules and fittings must match the outer diameter of your GC column. Incompatible sizes can lead to leaks or damage.
- Application Needs: Consider the specific type of chromatography you are performing. High-temperature applications may require specialized ferrules, and sensitive analyses might benefit from high-purity fittings.
- Ease of Use: Some accessories are designed for easier installation and removal, which can be a significant advantage in busy laboratory environments.
Maintenance and Longevity
Proper maintenance of your GC column accessories is paramount for consistent performance. Regularly inspect ferrules for signs of wear or damage, as leaks can compromise your analysis. Clean fittings as recommended by the manufacturer to prevent build-up. Replacing worn septa is also crucial for maintaining a leak-free injection port, which is vital for reproducible injections.