18mm screw top headspace vial with 10mm center hole metal screw cap

Aijiren’s CA Syringe Filter 90% is exported to the world’s major economically developed countries. Filters can provide foundry services according to customer needs. The produced filters have good consistency between batches, and there are strict control procedures from raw materials to production processes to in and out of warehouse delivery management to ensure the quality and use value of the products.

Standard GC, HPLC sample vial, small caliber, 8-425 standard threaded mouth, can be used for autosampler and sample storage. It can be used with 8-425 screw cap septum.
8-425 Autosampler Vial, often used in conjunction with Shimadzu, Spectrophysics, Varian, and other autosamplers. The vial is made of colorless Class 1 Type A or Amber Class 1 Type B borosilicate glass , And attached with a writable label for sample identification.
The vial cap is made of high-quality polypropylene, with precise manufacturing tolerances and a controllable manufacturing environment. The gasket is made of the highest quality PTFE/silicone to ensure the high efficiency of the function.

  The 11mm snap vial is specially designed and produced to ensure that it is sealed and matched with Aijiren instruments without failure. Strictly monitor the standard operating procedures of the production process to meet the requirements of stable quality and full traceability.

The manufacturer’s lot number for each component of this product is tracked until all procedures are completed at which time a final lot number is assigned and documented. A randomly selected collection of vials from each completed lot are submitted to an independent validation laboratory for quality control purposes to confirm that the TOC vials comply with the quality specification. The vial, closure and dust cover undergo comply with stringent quality standards and specifications.

The Chemical Oxygen Demand (COD) test is widely used as a measure of organic contamination by determining the quantity of oxygen required for oxidation of reduced species including organic matter, in a water sample using a specific oxidizing agent, temperature and time reduction. COD testing is a good better indicator of organic pollutants in industrial wastewater containing cyanides and heavy metals. COD testing affords rapid response to changing conditions before critical problems develop. Lovibond’s COD vials are compatible with BOTH Lovibond and Hach® colorimeters.

Chromatography autosampler vial is a glass vial used by automatic samplers and headspace samplers such as liquid chromatography, gas chromatography, mass spectrometry, etc. for chromatographic automatic sampling. Its basic requirements are accurate volume, ability to withstand a certain pressure, good sealing performance, and no adsorption to samples.

Crafted with precision from high-quality borosilicate glass, our 18mm 20ml Screw Headspace Vial ensures excellent thermal stability and chemical resistance. The vial’s robust construction guarantees sample integrity, enabling accurate analysis of volatile compounds for reliable results.

All Aijiren vials are ideal for autosamplers and offer excellent chemical compatibility and ultra-cleanliness. Crimp Top Sample Vials are the most commonly used gas sampling vials on the market today. Sample vials with a capacity of 2ml, particularly suitable for laboratory use. At the same time, some vial bottoms are designed at the bottom of the bay, so the bottom is flat and compatible with automatic sampling equipment.

The 4ml transparent threaded sample vial (13-425) is suitable for Aijiren , Aijiren and Aijiren autosamplers. It can also be used for Perkin-Elmer Autosystem GC, Waters 48-position sample tray autosampler, Shimadzu AOC- 14/1400, Shimadzu LC-10A and SIL-2AS autosampler, used as chromatographic sample bottle and washing bottle. Produced/packed in an ultra-clean working environment. Use with perforated cap: autosampler, used as chromatographic sample?vial?and washing?vial. With solid cap Uses: used for sample storage vials.

The 13-425 automatic sampling vial is produced by our company using high-quality imported raw materials from abroad. It is resistant to high temperature and corrosion; the cap is made of high-quality polypropylene, and the septum is made of the highest-quality material. Manufacturing tolerances and a controllable manufacturing environment ensure the high efficiency of product functions.

Nylon Syringe Filter material: high-density polypropylene PP for exterior wall; filter membrane: nylon. Filter area: §¶13mm-0.65cm2, §¶25mm-3.9cm2. Inlet pressure: §¶13mm-7bar, §¶25mm-5bar [1 bar (bar) = 100,000 Pa (Pa) = 10 Newton/square centimeter as the pressure unit] Temperature: 60-130 degrees Celsius. Features: Significantly hydrophilic, no need for pre-wetting. The pore size is uniform, and it has strong elasticity and adsorption force, which can ensure effective retention and meet the application requirements of fine filtration. It has good chemical compatibility, is compatible with most reagents, and does not shed fibers. It meets the standards of the pharmaceutical industry.

Your benefits when using Aijiren syringe filters£ºDifferent membrane types to meet multiple filtration needs. Low content of extractable compounds. Fast flow geometry for easy filtration. Low hold-up volume for maximum filtrate recovery. HPLC certified

EPDM (Ethylene Propylene Diene Monomer) septum is a type of synthetic rubber commonly used in laboratory and industrial settings. It is primarily used as a sealing material in various applications, including as a septum for sealing sample vials or containers.
EPDM septa are often used in chromatography and analytical chemistry techniques, such as gas chromatography (GC) and high-performance liquid chromatography (HPLC). They are placed on the top of the vial or container, providing a reliable and airtight seal.
The septum allows for the injection of a needle or syringe to introduce or withdraw samples or reagents without compromising the integrity of the contents.
EPDM is favored for septa due to its excellent chemical resistance, low extractability, and ability to maintain a secure seal even under varying temperature conditions.

9mm screw autosampler vial is widely used in laboratory chromatography analysis. Aijiren as one of largest chromatography consumable supplier, supplies 9mm screw HPLC vial in wholesale price. This 9mm screw vial package can reduce screw vial mouth touch to prevent contamination of sample. At the same time, the package box can be used as a vial rock, it is save the cost. Welcome to inquiry us about chromatography consumable.

The use of PTFE syringe filters can be used for corrosive solvents, aerosol sampling, degassing agents, exhaust applications and organic-based HPLC filtration. The syringe filter has a variety of different filter covers, and has a wide range of chemical compatibility, and has strong chemical stability and inertia.

Aijiren Crimp Aopsample vials have excellent sealing performance, which can effectively avoid sample evaporation. The sample vial and the corresponding 11 mm aluminum cap can be easily combined with the crimp capping tool. The vial can withstand heat and pressure, and can also be used for chemical reactions.

Open COD test tube, hold it at an angle and slowly add
2.0 mL of the pretreated sample solution from the reaction tube without mixing so that two separate layers
are formed.
Screw cap securely on to test tube, hold tube by the cap, place tube into the safety bottle and shake
(Caution, test tube becomes hot). Place tube into the heating block. Start heating programme.
After 2 h remove test tube from heating block, allow to cool down to room temperature and shake gently
several times.
Clean outside of test tube and measure.
Adjust photometer to zero by using blank value “NULL”

The MCE membrane offers exceptional retention capabilities, trapping particles and microorganisms as small as 0.22 μm in size. This fine filtration helps safeguard sensitive analytical instruments, HPLC systems, and other lab equipment from contamination, preserving their optimal performance and extending their lifespan.

The steep conical High recovery interior bottom provides exceptional downward drainage while allowing maximum retrieval of contents by syringe. High recovery Vials are perfect for specialty pharma, biotech, pharmaceutical and diagnostics packaging applications.

Aijiren now offers a full range of GC headspace vial kits, including Crimp and Screw Top configurations. All sample vials are type 1 borosilicate glass, and the range is wide enough to cover all major manufacturers’ instruments, including Shimadzu, Aijiren, PE, CTC and Tekmar headspace instruments.

PVDF Syringe filter has many advantages. PVDF film has high mechanical strength, is not easy to break or curl; it has the advantages of low background, wide solvent compatibility, and excellent coloring ability; in addition, PVDF film can be tested repeatedly after proper treatment. The pore size of PVDF membrane is 0.22¦Ìm and 0.45¦Ìm. 0.22¦Ìm is suitable for proteins with molecular weight less than 20kDa, which can effectively reduce the leakage of small molecular weight proteins. Compared with 0.45¦Ìm PVDF membrane, it has higher protein adsorption rate and protein sequencing yield. For example, the adsorption capacity of insulin and BSA are 1.64 times and 1.58 times that of the commonly used 0.45¦Ìm PVDF membrane, respectively.

The dimensions for 12x32mm vials are standard between manufacturers but the length of the neck and width/shape of the vial shoulder may vary. 12x32mm microvials have the same outer dimensions but the inside of the vial may be tapered to reduce volume or contain a fused insert. 12x32mm high recovery vials will have an internal conical bottom.

Aijiren screw thread top sample vials design is characterized by universal ease of use, especially the use of automated sample introduction systems, so this type of vial is also called a autosampler vial. And this sample vial is extremely compatible. The 1.5ml sample vial we usually say is the 2ml volume sample vial. The design of Aijiren screw thread top vials are developed from Europe and the United States, and the design feature is easy to use, especially the use of automated sample introduction system. Aijiren screw thread top vials also known as autosampler bottles.

All Aijiren vials are ideal for autosamplers and have excellent chemical compatibility and ultra-cleanliness. Crimp top sample vials are currently the most commonly used gas sampling vials on the market. Sample vial with a 2ml capacity that is particularly suitable for use in laboratories. At the same time, some vial bottoms are designed to be round bottoms, so the bottom is flat and compatible with automatic sampling equipment.

The Hand Crimper provides a consistent and reliable seal to ensure a secure vial closure every time. The new ergonomically designed hand crimper features a lightweight and customized design that reduces wrist pain and discomfort caused by twisting.