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Accurate sample injection is critical for reproducible results in laboratory settings. The choice of syringe can significantly impact precision, sample integrity, and overall experimental success. This guide will help you select the most appropriate syringe for your specific analytical needs.
1ml/cc x 31G x 5/16" (8mm) individually sealed packaging, 100 pack.
High quality: Made of high quality material, thick and sturdy.
Clear scale: It features clear and legible markings, making it easy to get precise use every time.
100% leak-proof design: The inner wall is smooth, the plunger will not get stuck, and the plunger has excellent sealing performance. There is no need to worry about leakage, more safer.
Note: Suitable for industrial and scientific, laboratory experiments, perfume separators or household tools, etc.
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.
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 syringe are bold and precise.
Leak-proof Design: The plunger is very airtight, no worry about leakage during withdrawal and dispensing. 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 29G Syringes: 1ml 29G 1/2", made of plastic material, with a smooth plunger
Individually Packaged: Each 30G 1ml 1/2" syringe is sealed in a blister package to ensure maximum safety and sterility. Pack of 100
Accurate Measurement: Clear and precise markings on the syringe barrel, easy to read and control ensure smooth and accurate injections
Leak-proof Design: The plunger is highly airtight, so you don't have to worry about leakage when drawing and injecting. The plunger will not jam and creates a leak-proof seal
Purchase Tips: Not intended for professional medical use. Designed for industrial, scientific laboratory, and experimental use only or as a household tool
Individually Package - 1ml syringes with needle, each individually wrapped, Pack of 100.
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.
Precise Scale, Clear Reading - The syringe tube has black scale lines with precise spacing and clear numbers, which is easy to control the liquid volume accurately, suitable for experiments such as proportioning, micro-addition and other delicate...
Individual Packaging, Clean Storage - Each syringe is individually sealed and packaged in a clean and dust-free package before use, which is convenient for storing, carrying and distributing, and helps to maintain a good experimental environment
Smooth Pushing and Pulling - The push rod fits tightly with the barrel, and the inner wall is smooth, so it can be pushed and pulled smoothly, preventing liquid from leaking or flowing back, and improving the operation efficiency and stability of fluid...
Multi-Scenario, Wide Range of Applications - Suitable for liquid transfer, chemical experiments, DIY, industrial lubricants, fine resins, ink filling and other non-medical scenarios to meet the needs of daily experiments and process applications
Multiple Sizes Available for Easy Matching - A variety of needle lengths and sizes (e.g. 29G, 30G, 31G, etc.) are available to meet the needs of different fine work.
25 Per Box & Sterile Packaging: Each 31G 1ml 1/4"(6mm) syringe is sealed in a blister pack, and each syringe comes with a protective cap to ensure safety and sterility.
U100 1ml Syringe Details: 1ml Syringe and 31G 1/4" (6mm) is made of polypropylene with an easy-push stem and smooth plunger and professional-grade stainless steel tip.
Precise Measurement: Clear and accurate markings on the syringe barrel are easy to read, ensuring precise control of the dose every time, which helps smooth injection.
Non-slip and Leak-proof Design: The bottom of the push rod has a non-slip design, which is easy to control with one hand. The plunger fits tightly and seals, so you don't have to worry about leakage when aspirating and injecting.
Notice: Not for professional medical use. Only for industrial design, scientific laboratories, craft creation or as household tools and farm tools.
Last update on 2026-08-30 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lab Sample Injection Syringes
Specialized Features
Some syringes are designed for specific tasks. Autosampler syringes are engineered for automated injection systems, often featuring specific tip designs and plunger seals for consistent performance. Gas-tight syringes use a PTFE plunger tip to create an airtight seal, preventing leakage and ensuring accurate delivery of gases or volatile liquids. For viscous samples, syringes with wider bores or specialized plunger designs might be beneficial. Consider any unique requirements of your workflow when evaluating these specialized options.
Frequently Asked Questions
What is the difference between a gas-tight syringe and a standard syringe?
A gas-tight syringe features a special plunger tip, usually made of PTFE, that creates an airtight seal within the barrel. This prevents leakage of gases or volatile liquids, ensuring precise delivery. Standard syringes may not offer this level of sealing, making them less suitable for such applications.
How do I choose the correct needle gauge?
The needle gauge determines its diameter. A finer gauge (higher number) is used for samples that are sensitive or when minimal disturbance is required. A coarser gauge (lower number) allows for faster liquid transfer and is suitable for less viscous samples.
Are disposable syringes suitable for all lab applications?
Disposable syringes are excellent for preventing cross-contamination and are convenient for routine tasks. However, for highly precise measurements or when dealing with aggressive chemicals that might degrade plastic, reusable glass or stainless steel syringes might be a better choice.
What does 'volume accuracy' mean for a syringe?
Volume accuracy refers to how close the dispensed volume is to the intended volume, as indicated by the graduations. High-accuracy syringes are manufactured and tested to meet specific standards, ensuring reliable and reproducible measurements for critical analyses.
Can I use any syringe with any solvent?
No, chemical compatibility is essential. Ensure the syringe materials (barrel, plunger, needle) are resistant to degradation or reaction with the solvents and samples you intend to use. Consult manufacturer compatibility charts if unsure.
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