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Accurate and reliable sample introduction is crucial for successful chromatography. The right supplies ensure consistent results, minimize contamination, and prolong the lifespan of your valuable instrumentation. Investing in quality components directly impacts the integrity of your analytical data.
Convenient Packaging:Comes in packs of 4, making it easy to store and manage for consistent use.
C18 Chromatigraphic Column|Spe Column Chromatography|High-Quality Material:Crafted with a robust PP tube and C18 filter, ensuring durability and reliable performance.
Versatile Compatibility:Compatible with HPLC systems, ideal for various chromatography applications.
Economical Reuse:Designed for 5 regenerations, offering cost-effective use and sustainability.
Efficient Pretreatment:Optimized for hydrophobic compound removal, with a pH range of 2~8.
Easy to use, smooth plunger for easy one-hand operation
The scale is clear and easy to measure: You’ll get an accurate dosage every time. The numbers on the large, clear graduation barrel of the single-use injection syringe are bold and precise.
Leak-proof Design: The plunger is very airtight, no worry about leakage during withdrawal and injection. The plunger on the small disposable syringe won't snag and creates a leak-proof seal.
NOTE : Only for industrial, science lab and experiments use or as home tools.
1ml Syringes with Needle: 1cc 27G 1/2" syringe with needle is sealed individually for hygiene and convenience, ensuring they are ready for use or replacement whenever needed.
High-Quality Construction: Made from durable plastic material with clear, well-printed measuring marks and a smoothly working plunger.
Secure Luer Lock Connection: The luer lock Syringe Tip can be locked the needle to keep stable during use. comes with a tip cap to keep it clean.
Precision Measurement: 100 Packs of 1ml/cc syringes with a 27 gauge 1/2 inch needle, featuring clear measurements for accurate dosing.
Versatile Application: Suitable for pet needles for injections, industrial, science lab, and household tasks, not intended for professional medical use.
Individually Package - 1ml syringes with needle, each individually wrapped, Pack of 30.
Sophisticated Design - The inner wall of the syringe is smooth, the plunger will not get stuck, and the plunger is very airtight, Easy one-handed operation.
Easy to Use - The scale on the syringe is clear and easy to measure and read.
Wide Range of Uses - Suitable for all standard syringes for scientific laboratories, industry, teaching and research, experimental use.
Primarily used for laboratory gas or liquid chromatography sampling; compatible with most chromatographs on the market; equipped with PP inserts for small-volume sample analysis
Suitable for solutions with acidic, neutral, or alkaline pH values; PP (polypropylene) inserts minimize sample residue and enhance recovery for trace analysis
Equipped with premium silicone septa and PTFE/silicone caps for secure sealing and pre-treatment operations such as sample storage
Important notice: Always read the enclosed instructions before use; the manufacturer is not liable for damages caused by improper operation
Warranty: 1-year coverage period for your peace of mind, if received damaged, please let us know and we will solve it promptly
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lab Chromatography Sample Introduction Supplies
Understanding Your Chromatography Needs
The selection of sample introduction supplies hinges on the specific chromatography technique you are employing (e.g., GC, HPLC) and the nature of your samples. Consider the sample matrix, concentration range, and potential for interfering compounds. For instance, volatile samples might require different septa or vials than non-volatile ones. Compatibility with your instrument's injection port, autosampler, and detector is paramount.
Key Components to Consider
Vials and Caps: Choose vials made from inert materials like Type 1 borosilicate glass to prevent sample adsorption. Autosampler vials often have specific dimensions and crimp tops for automated systems. Caps should provide a secure seal, with septa made from materials resistant to solvent penetration and needle coring.
Syringes: For manual injections or specific autosampler applications, select syringes with appropriate volumes, needle gauges, and tip styles. Glass syringes are common for high precision, while specialized materials may be needed for corrosive samples.
Septa: These are critical for sealing injection ports and vials. Material choice (e.g., PTFE, silicone) affects temperature limits, chemical resistance, and resealing capabilities.
Ferrules and Tubing: Used for connecting components, these should be made of inert materials like PEEK or stainless steel, chosen based on temperature and pressure requirements.
Material and Compatibility
Always verify that all components are compatible with the solvents, mobile phases, and sample analytes you will be using. Incompatibility can lead to leaching, sample degradation, or instrument damage. Consult your instrument manufacturer's recommendations and supplier datasheets for detailed material specifications and operating limits.
Frequently Asked Questions
What is the difference between a vial and a cap?
A vial is the container that holds your sample. The cap seals the vial, and often contains a septum that can be pierced by a needle for sample withdrawal or introduction.
How do I choose the right septum material?
Septum material selection depends on the solvents used and the required temperature range. PTFE and silicone blends are common, offering good chemical resistance and resealing properties for many applications.
Are all glass vials the same?
No, glass vials vary by type (e.g., Type 1 borosilicate is preferred for analytical work due to low reactivity) and features like neck finish, volume, and whether they are designed for autosamplers.
What does 'needle coring' refer to?
Needle coring occurs when a syringe needle repeatedly pierces a septum and cuts out small pieces of the septum material. This can contaminate your sample and clog instrument components.
How often should I replace my chromatography supplies?
Replacement frequency depends on usage, sample type, and instrument conditions. Regularly inspect vials, septa, and syringes for signs of wear or contamination, replacing them as needed to ensure data integrity.
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