The integrity, stability, and precise handling of reagents are directly linked to the accuracy of scientific data and the reproducibility of experiments. As a classic and indispensable laboratory storage solution, the 4ml narrow mouth reagent glass bottle perfectly blends superior performance with wide applicability, making it an ideal choice for storing precious and trace reagents.
The 4ml narrow mouth reagent glass bottle is a transparent glass container with a capacity of 4ml. Its core feature lies in its precisely calculated "small-mouth" diameter. It is typically blown from high-quality borosilicate glass (3.3mm borosilicate glass ) and comes with a variety of sealing options (such as screw caps, flip caps, and aluminum-plastic composite caps with gaskets), forming a powerful, airtight, light-proof, and volatile-proof storage system. Designed to meet the high-standard storage requirements of modern laboratories for trace reagents, this product significantly enhances operational convenience while protecting sample safety.
Made of high borosilicate glass, it has an extremely low thermal expansion coefficient and can withstand temperatures up to 500°C and drastic temperature changes (such as high-temperature sterilization and deep freezing). It has excellent thermal shock resistance and effectively prevents breakage during rapid cooling and heating.
It has excellent chemical stability and is inert to most acids, alkalis, organic solvents and precious reagents. It does not precipitate or adsorb. It fundamentally eliminates the contamination of the container material to the sample and ensures that the purity and concentration of the reagents are not affected.
Effectively inhibit volatilization: Our narrow mouth reagent glass bottle sophisticated small mouth design greatly reduces the exposed area of the liquid in the bottle, significantly reducing the evaporation loss, especially of volatile organic solvents (such as acetone, acetonitrile, and chloroform), saving costs and maintaining a stable solution concentration.
Excellent Airtightness: When combined with a specialized sealing gasket (such as a silicone/PTFE composite gasket), it achieves exceptional airtightness and watertightness, effectively isolating oxygen, moisture, and carbon dioxide from the air, which can deterioration due to moisture absorption, oxidation, or carbonation. Some models even support long-term storage by filling with inert gases (such as nitrogen or argon).
Accurate sampling to avoid contamination: The small diameter makes it easy to match with pipette tips of various specifications, realizing accurate and controllable sampling of microliters (μL), minimizing cross-contamination and sample waste, and is particularly suitable for processing expensive biological agents.
The glass material is extremely transparent, allowing users to visually check the properties, color, clarity and remaining liquid volume of the reagent in the bottle.
The bottle body of our narrow mouth reagent glass bottle is usually designed with a flat marking area or label sticker area.
Screw cap (with inner gasket): The screw cap of our narrow mouth reagent glass bottle is easy to open and close, reusable, good sealing performance, an economical choice for daily use.
composite cap lined with butyl rubber/silicone/PTFE gasket : provides top-level sealing and is often used with a dedicated capping device to form an irreversible tight seal. It is commonly used for standards, long-term storage, or highly volatile reagents.
Flip cap: built-in puncture guide tube, convenient for direct dripping, suitable for certain specific application scenarios.
The 4ml capacity perfectly meets the storage needs of "micro, precious, and frequently used" and makes it shine in many cutting-edge scientific fields:
Chromatography and Spectroscopy: Ideal storage containers for standards, samples, and mobile phases used in analytical instruments such as high-performance liquid chromatography (HPLC), gas chromatography (GC), and mass spectrometry (MS). Their high cleanliness and inertness ensure extremely accurate analytical results.
Pharmaceuticals and biotechnology : used to store key materials such as drug candidate compounds, cell culture additives, vaccine raw materials, buffers, enzyme preparations, etc.
Molecular biology and genomics: Perfectly preserve PCR primers and probes, restriction endonucleases, TA ligases, dNTPs, cDNA and other biological reagents that are sensitive to storage conditions.
Immunology and Cell Biology: Contains expensive active substances such as monoclonal/polyclonal antibodies, cytokines, serum, fluorescent markers , etc.
Clinical diagnosis and IVD: Store calibrators, quality control products, and core components of test kits to ensure the reliability of diagnostic results.
Fine chemicals and electronics industries: storage of high-purity solvents, etching solutions, precious chemical intermediates, conductive inks, etc.
The 4ml narrow mouth reagent glass bottle is not just a container, but also a complete solution that combines protection, safety, convenience and precision. It is characterized by:
1. Unparalleled protection (chemical inertness, temperature resistance, sealing),
2. Excellent operating experience (accurate access, clear marking, standard specifications),
3. Wide range of scenarios (from R&D to quality control, from biology to chemistry),
It has become a reliable "standard configuration" in the laboratory. Choosing a high-quality 4ml small-mouth glass reagent bottle is a solemn commitment to your precious samples and difficult scientific research tasks, and it is a wise investment to ensure the success of your experiment.
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