10ml glass test tube for water analysis

2ml amber autosampler vial, 12mm Diameter, 32mm Height, 9-425 screw top. Our vials with caps are widely used in standard HPLC and GC applications. The vials can be used on all common autosamplers due to their technical geometry, preferentially they are found on Agilent, HTA, Shimadzu, Thermo, Varian, Waters, etc.

Our polypropylene vials and crimp caps are the perfect fit for HPLC and GC instrument platforms across a wide variety of applications. Polypropylene Caps are known for good impact strength, cost-effectiveness, and pliability.

The vial for HPLC with insert is larger than the 9mm screw sample vial and has a wider mouth.2ml autosampler vials is a container designed to temporarily hold samples analyzed as part of gas (GC) or liquid (HPLC) chromatography.

1.Micro-volume “Drop-In” Inserts for use with Standard 8-425 (8mm) Mouth Vials.
2.Compatible with all 2ml Screw Vials, 8-425 Thread
3.Center automatically with flat bottom and mandrel interior
4.Type I borosilicate glass

size: 16*100mm/16*90mm/16*125mm/16*150mm

Suitable: 20mm Crimp Top Headspace Vials
Caps Material: Magnetic Aluminum
Septa Material: PTFE/Silicone; PTFE/butyl

The syringe filter produced by Aijiren is often used to filter impurities in the reagents to be tested. After the impurities are filtered, the reagents can be sucked into the autosampler. If the syringe filter is not used, it may cause problems such as clogging the needle hole with impurities in the reagent.

2 mL Standard Opening Vials from Aijiren. Our standard 2 mL vial is 12 mm in diameter, 32 mm in height, and has a 4.6 mm opening.

Aijiren 20ml amber headspace vials are available in clear or amber glass with a round or flat base, a crimp seal with a beveled or square edge finish, or with a screw-thread finish.

All chromatography vials produced by Aijiren are made of boronic acid glass. Aijiren’s chromatography vials are always the main product. If you are interested, please contact online customer service.

Membrane: PTFE, PVDF, PES, MCE, NYLON, PP, CA, etc. Aijiren disposable sterile syringe filter devices are designed to provide fast and efficient filtration of aqueous and organic solutionsfrom small volumes up to 100 mL.

The Chromatography Direct range of 20mm Crimp Top Headspace Vials and Caps are available in 20ml Amber and Clear, 10ml and 6ml in a variety of flat and round bottom – suitable for CTC, Perkin Elmer and Agilent autosamplers.

Material: Aluminum
Availability: In Stock
Brand: Aijiren Tech
Usage: For 18mm Crimp Top Vials
100% traceable through the manufacturing process

Polypropylene is chemically resistant and the material of choice for pH sensitive samples, sodium or heavy metal analyses.
The PP vials are ideal when working with pH sensitive samples, aqueous samples in pharmaceutical applications, or undertaking sodium analysis.

Micro inserts Packing: Economy Package and General Package for choose. Neutral carton outside, pallet is available to protect quality better.
OEM packing is also available.

Aijiren Syringe Filter is used for fast and reliable filtration of small and medium quantities of samples. It has been connected to the filter unit and is widely used in the laboratory.
Diameter: 13mm and 25mm
Pore size: 0.22um and 0.45um
Maximum Operating Temperature:60 ℃
Sterilization: Autoclave at 121 ℃ for 20 minutes

All 20ml crimp top gas chromatography vials are Type 1 borosilicate glass and the range is extensive enough to cover all major manufacturer’s instruments, including Shimadzu, Agilent, PE, CTC and Tekmar headspace instruments.

Minimum filtering sample volume: 220 µL placed into the chamber to obtain a 50 µL filtered sample
Pore Size: 0.22um and 0.45um
Capacity:
Unfiltered sample chamber: 500 µL
Filtered sample chamber: 330 µL

Application: Lab consumables for analysis
Certification: ISO9001, SGS, COA
Vial Thread: Screw
Cap: Plastic open/solid cap
Septa: Non-slit, Pre-Slit, PTFE/Silicone

Customization:
Customized logo(Min. Order: 300 Packs)
Customized packaging(Min. Order: 400 Packs)
Usage: Laboratory Analysis
Logo: Customized Accepted
OEM: Available
Sample: Provided Freely
Packing: 100pcs/pk
Material: Borosilicate Glass

Glass Vials Lab 8-425 neck finish represents a hplc vials &gc vials the vials a diameter of 8 mm across the outside of the threads and a thread style of 425, Vials has clear and amber, Screw Cap in Lab most of the 2ml vials are 12*32mm Autosampler Hplc Vials &gc vials are available in a variety of neck finishes and opening diameters.

Laboratory reagent bottle 500ml is chemically resistant and stable. When fitted with a plastic pouring ring, dripping can be totally eliminated. Screw Caps and Pouring Rings are interchangeable and are made from PP.

There are some lab autosampler vial, these glass autosampler vials are hot sale in recently. 4ml screw autosampler vial, 9mm screw glass sample vial and ND11 crimp HPLC vial are also seen in chromatography laboratory. Most important, All of autosampler vial can be supplied in wholesale price. 1.5ml–4ml autosampler vial for chromatography analysis are in stock. welcome to inquiry.

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 an autosampler vial. And this sample vial is extremely compatible.The 1.5ml sample vial we usually say is the 2ml volume sample vial.

Original Place: Zhejiang, China
Brand: Aijiren
Size: 11.6*32mm（with Write-on Spot）
Volume: 2ml Vial Diameter(mm):11.6±0.25
OEM: Available
Sample: Provided Freely
Packing: 100pcs/pk

Aijiren High quality ND8 Screw Caps with Septa Manufacturer. Aijiren has own R&D Center and Quality Controll Center to keep products in high quality. All materials are produced at 100,000 grade clean room.

Standard Autosampler Vial for HPLC & GC Chromatography, vials can be used for high-performance liquid chromatography and gas chromatography for reliable analysis results
Material: Glass
Color: Clear
Height (Metric): 32mm
Outside Diameter (Metric): 12mm
Patched: No
Residual Volume: <170uL Quantity: 100Pieces/Pack

Aijiren 10mm hplc vial features: all glass is made of material with 5.0 light transmittance, which is perfectly compatible with the instrument. 10-425 wide-mouth vial is similar to 8-425 small-neck vial, mainly used for Waters autosamplers and Japanese instruments , And the wide mouth can get a larger injection range, so this kind of bottle is often used to repeatedly clean the residual solution on the automatic injection needle.

These 4ml amber screw top vials are manufactured from superior 51A amber (Type 1, Class AB) or clear glass and feature a 13-425 thread finish. Available in Thermo Scientific™ National™ and Chromacol™ brands.

Glass autosampler vial, 4ml, 15mm x 45mm, used with 13-425 screw caps.
1.Ideal for general laboratory use and sample storage.
2.Chemically inert caps suitable for most chromatography and storage applications
3.Top grade PTFE/silicone septa used for cleanliness

The 9mm Short Thread Caps that are included with this kit are knurled on the sides for excellent gripping and comfort when applying to the vial. Caps for screw thread vials are available with either an open hole for autosampler use and standard addition or with a solid top for sample storage.Screw Cap Vials are universal. Screwing the cap applies a mechanical force that squeezes the septum between the glass rim and the cap.

Glass bottles are fit for storing chemicals, liquids, powders, biologicals and other liquid solutions for lab, experiment, chemistry, scientific studies, and household home uses.
Capacity: 250 mL/8.5 oz
permanent white enamel graduations from 50 mL to 1000 mL
accurate scales, easy labeling
140℃ for caps when autoclaving
Feature: durable, reusable, environmentally friendly
Using: Glass bottles fit for storing chemicals, liquids, powders, biologicals, and other liquid solutions for lab

Snap vials sealed with snap caps are easy to apply and remove without the need for crimping or de-capping tools.Aijiren2 mL snap top vials are constructed from Type 1 borosilicate glass, with low metal content, to protect your sample from destabilizing or leaching.

Aijiren reagent bottle 500mlare perfect for storing media, solvents, and other materials. reagent bottle 500ml comes with a PP Screw cap (GL45). A colorless PP pouring ring allows for drip-free emptying, easy-to-read graduations, and capacities, marking spots for labeling.

These 20mm Crimp Top Aluminum Caps are typically made of aluminum, which is a lightweight and corrosion-resistant metal. Aluminum provides excellent sealing properties, ensuring the integrity of the sample within the vial. The cap features a crimp top design, which means it can be securely attached to the vial by using a crimping tool. This process involves crimping the cap around the vial’s neck, creating a tight and tamper-evident seal. The design with a 9.5mm hole in the center of the cover can be used for headspace analysis. Standard GC and HPLC sample bottles can be used for autosampler and sample storage.  20mm Crimp Top Aluminum Caps often come in various colors, which can help with sample identification, organization, or differentiation of different products or solutions.

Aijiren offers pre-cleaned 40 ml glass vials certified for Total Organic Carbon (TOC vials).  We offer TOC vials certified to contain less than 10 Parts Per Billion (PPB) and less than 20 Parts Per Billion (PPB) for use in pharmaceutical and biotechnology applications. Sample storage vials, also known as chemical glass storage bottles, or sub-packaging bottles, are suitable for the sub-packaging of various pharmaceutical intermediates, high value-added chemicals, biological preparations, cosmetics, cosmetics, essential oils, and other products, suitable for long-term storage and transportation of products, Has excellent sealing performance. 

9mm PP Screw Top Vial can be made of polypropylene or polymethyl pentene (PMP). Polypropylene is the most popular plastic material. Polypropylene vials have heat resistance of up to 135 degrees Celsius and are commonly used in chromatographic experiments.PMP has higher heat resistance – up to 175 degrees Celsius – and is transparent, which increases the visibility of the sample inside the sample bottle. Plastic vials have good chemical resistance, lightweight construction, durability, and economy.

Polypropylene is chemically resistant and the material of choice for pH sensitive samples, sodium or heavy metal analyses.
The PP vials are ideal when working with pH sensitive samples, aqueous samples in pharmaceutical applications, or undertaking sodium analysis.
If you’re analyzing anything that might adsorb into borosilicate glass, or looking to avoid sodium adducts pulled out of glass, these vials seem to do the trick. Using them on triple quad mass spec quite successfully.

The size of Snap Vial is 2 mL, 12 x 32 mm, 11mm amber wide-mouth bayonet glass sample bottle using first-grade hydrolyzed glass as raw material. Standard sample bottles for GC and HPLC can be used for autosampler and sample storage.

Finding suitability to be used over a wide temperature range, these 1ml Shell vials come extensively tested so as to perfectly match up with the end user demands. Undergoing lab tests for ensuring defined quality standards. original shell vial for Waters 96-position autosampler. manufactured from superior quality borosilicate glass. 0.15 or 0.20 mL limited volume insert

These heavy-duty borosilicate glass round bottles can be used for storage as well as mixing and sampling.
Screw Cap: GL45 Blue Polypropylene
Autoclavable: Max 120℃ for bottles
Quantity: 10
Brand: Aijiren
Retrace Code: This is a lot number printed on the product during the manufacturing process used for identification of the production unit, the production work order and for traceability of the materials used.

Aijiren 300ul micro-volume inserts, clear glass, flat bottom. better to use combined with 2ml HPLC vials for HPLC.  Flat base Sample Vials.
Made from advanced technology and excellent raw materials. Precise bottle neck size, ensure autosampler handle is correct. Fully compatible with various brands of automatic samplers. Strict quality control to ensure size consistency from batch to batch. Clear Glass Micro Insert is used to ensure the most accurate and reliable analysis of your lab samples. Micro inserts, when used in conjunction with autosampler vials, allow for maximum sample recovery and easier sample removal.

10-425 screw thread caps and vials are suitable for Agilent, AB Sciex, Brukers, Techcomp, PerkinElmer, ThermoScientifics, Shimadzu, Waters, CTC autosampler and other rotating or robotic arm samplers and autosamplers.

Suitable for 9mm Short Thread Vials. Caps is made of polypropylene. Septa is made of PTFE / Silicone. Color can be customized. 6mm Centre Hole or Closed Top can be selected.

Storage vials are suitable for the packaging of various pharmaceutical intermediates, high value-added chemicals, chemical reagents, biological reagents, cosmetics, essences and oils, etc. It is suitable for long-term storage and transportation for products, and has excellent sealing performance.

8mm Vials (volume 2 mL, amber glass vial, thread 8-425) are suitable basically to inject samples from an autosampler.
Suitable for Agilent, AB Sciex, PerkinElmer, ThermoScientifics, Shimadzu, Waters, CTC autosampler and other rotating or robotic arm samplers.
Amber vial, 51 Expansion borosilicate glass USP Type I, Class B
Polypropylene Screw Cap with Septa

2ml Clear Screw HPLC Vials and closures are universally suitable on most autosamplers, convenient in handling, and available in a broad selection of different cap colors and septum materials.

The 11mm crimp top chromatography vials is generally broken down into low boron and chromium, but the difference is that the content of boric acid and the physical and chemical properties of the glass are also different. Aijiren offers 11mm crimp top chromatography vials in the boric acid glass.

These glass vials are used in the environmental industry. Available in Flat bottom.
Clear. Type 1, Borosilicate, 33 Expansion. Also available in Amber, 51 Expansion.
Various sizes and capacities are available. Caps are sold separately.
(24-414 finish available by special order).

Aijiren COD Test Tube is made of borosilicate glass, which can reduce pH changes and pollutants that may be leached from soda lime glass. The glass digestion test tube can be used for analysis at temperatures higher than 130 degrees Celsius. It is manufactured from laboratory storage for a variety of general purposes and can hold almost anything. The gasket is made of a PTFE silicon rubber gasket, which has strong sealing performance and can resist various chemical corrosion. The  COD Test Tube is small in size and light in weight. It can be tested without any other laboratory equipment and technicians; it only takes 3-5 minutes to test a sample, without additional materials or instruments and is easy to operate.

2ml autosampler vials 9mm for HPLC system with bonded septa caps. Including: 100pcs Clear/amber bottles 32×11.6mm made of borosilicate glass, 2ml lab vials 9-425 screw thread, Flat base Sample Vials; Made out of USP TYPE I Glass. With writing patch for pencil mark.

Aijiren’s 500ml Clear Reagent Bottle uses a threaded caliber, which makes the operation of laboratory personnel more convenient, which is very convenient for opening the bottle or tightening the bottle. And the wide mouth is very convenient for laboratory personnel to add or pour reagents.

2ml Amber Screw HPLC Vials, caps, septa, and inserts working as a whole to prevent sample degradation and loss of samples caused by evaporation. Screw thread closures N9 (9mm) 2ml vials and closures are universally suitable on most autosamplers, convenient in handling and available in a broad selection of different cap colors and septum materials.

2ml Clear Screw HPLC Vials are universal. Screwing the cap applies a mechanical force that squeezes the septum between the glass rim and the cap. 2ml Clear Screw HPLC Vial’caps form an excellent seal and mechanically hold the septum in place during piercing. No tools are required for assembly.

9mm Screw conical micro-vial for laboratory chromatography experiment, the micro-vial size is 11.6x32mm.
High quality glass vial for HPLC/GC analysis. 0.3 ml clear glass micro insert fixed in 2ml glass vial. Conical base insert vial can saving samples while during injection. wide opening top for better needle injection. 2ml clear glass vial with 0.3ml intergrated vial, designed for valuable samples to save for testing use volum. Bottom fixed micro insert to keep the vial central vertical

A headspace vial is used in the process of top – gas chromatography. When detecting volatile or semi-volatile mixtures with high boiling points, we need to heat them to vaporize them at the top. In this process, since the liquid samples are at the bottom, the material in the top gas can be measured without touching the liquid in the sample vial.

The Aijiren hand crimper provides a consistent and dependable seal that allows secure vial closure each and every time. The high-quality construction is engineered for durability and long life to provide a smooth and simple operation. The manual crimper is suitable for standard laboratory bottles and seals with aluminum caps. Compared with the metal handle design, the ergonomic arc-shaped handle provides higher hand comfort during use. The bottom handle can be held steadily, without the need for “extra” squeezing. The easy-to-see adjustment knob is located on the head of the crimping pliers, so you can easily determine when the desired crimp setting is reached.

Vial Dimension: 12x32mm
Vial Volume: 1.5-2.0ml
Cap: Plastic open/solid cap
Septa: Non-slit, Pre-Slit, PTFE/Silicone
Characteristic: Consistency at quantification levels
Highly reproducible for samples >120µL
Long-term sample stability for most analytes
High solvent compatibility for mainstream HPLC and GC applications
Compatible with standard HPLC and GC autosamplers

Aijiren COD Test Tube is made of borosilicate glass, which can reduce pH changes and pollutants that may be leached from soda lime glass.  The glass digestion test tube can be used for analysis at temperatures higher than 130 degrees Celsius.  It is manufactured from laboratory storage for a variety of general purposes and can hold almost anything. The COD Test Tube is small in size and light in weight. It can be tested without any other laboratory equipment and technicians; it only takes 3-5 minutes to test a sample, without additional materials or instruments and is easy to operate. These test tubes are SGC certified. These tubes can only be used once, so they cannot be reused. With the Aijiren COD tube test, each user can easily perform highly sensitive and accurate water detection.

Conical glass inserts have a tapered bottom with pulled tips and are available with or without plastics polypropylene springs. The spring acts as a shock absorber during needle penetration and raises the insert above the bottom of the vial, allowing greater sample recovery.

There is a requirement for a 2ml screw cap glass vial. Contact us now! In addition, the 2 ml amber screw top bottle is made of 33 inflatable glass and can be heated at high temperatures during transparent glass (1,200 °C) during the manufacturing process.

0.3 ml clear glass micro insert fixed in 2ml glass vial, designed for valuable samples to save for testing use volume

The choice of autosampler vials may seem much less important compared to the significance chromatography instruments many laboratories use. However, the wrong choices of HPLC or GC vials, caps, septas and inserts might well lead to lower experiment productivity and reproducibility or even mechanical damage to the autosampler.

Material is Brosilicate Glass/1st hydrolytic class glass. 100pcs packed in one box. Available in clear and amber.

9 mm Wide Mouth Vials and Closures are our recommended screw thread vials. These vials are autosampler compatible and offer a 40% larger opening than 8-425 thread vials, simplifying pipetting and other routine functions. Amber glass vials are perfect for storing samples that are sensitive to light exposure. Clear glass vials are great for testing the solubility or dispersability of materials, allowing you an unhindered view of the solution.

This glass vial crimper tool headspace is made of Stainless steel, the handle of perfume bottle crimper and decapping is made of Carbon steel. this glass vial crimper tool is widely used in pharmaceutical industry, perfume industry, food, packaging, school and Laboratory. The glass vial crimper and decapping tool is compatible with crimp 20mm filp off cap and all aluminum caps

Vial Dimension: 12x32mm
Vial Color: Amber and Clear
Vial Volume: 1.5-2.0ml
Vial Material: Borosilicate Glass/Glass Type 1
Application: Lab consumables for analysis
Certification: ISO9001, SGS, COA
Vial Thread: Screw

Aijiren screw thread top autosampler 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 an autosampler vial. Aijiren 10mm 2ml hplc auotsampler vial is generally made of high-quality imported expanded borosilicate glass tube. The high cost performance of this material is the first choice for throughput analysis.

10-425 screw thread caps and vials are suitable for Agilent, AB Sciex, Brukers, Techcomp, PerkinElmer, ThermoScientifics, Shimadzu, Waters, CTC autosampler and other rotating or robotic arm samplers and autosamplers.

Our screw-top 2ml HPLC vials and screw caps are the perfect fit for HPLC and GC instrument platforms across a wide variety of applications, including pharmaceutical, environmental, energy and fuels, forensics, materials science, biopharmaceutical, proteomics, and metabolomics.
Vial Volume: 1.5-2.0ml
Vial Thread: Screw
Cap: Plastic open/solid cap
Septa: Non-slit, Pre-Slit, PTFE/Silicone
Application: Lab consumables for analysis

Aijiren’s 500ml Amber Reagent Bottle uses extremely inert soda-lime glass, which will not react with the reagents used for detection and affect the experimental results. If you have any requirements for 500ml Amber Reagent Bottle. Please contact with Aijiren.

These standard opening 2ml HPLC Vials with Caps have a narrow opening that can be used with a 9-425mm cap and a septum.So if you are interested in 2ml 9mm HPLC Vial, please contact us right NOW.

Logo: Customized Accepted
OEM: Available
Sample: Provided Freely
Packing: 100pcs/pk
Material: Borosilicate Glass
Payment: 100% T/T in advance

Our polypropylene vials and crimp caps are the perfect fit for HPLC and GC instrument platforms across a wide variety of applications. Polypropylene Caps are known for good impact strength, cost-effectiveness, and pliability.

The 18mm Screw Top Headspace Vial produced by Aijiren is made of high-quality borosilicate hydrochloric acid glass, which can withstand high temperatures and is not easily deformed, and is extremely inert. And the tightness guaranteed by Screw’s caliber prevents the gas from overflowing during gas chromatography. Septa uses double-sided material that is not easy to deform, and the sampling needle is not easy to fall off when pierced.

10mm Screw Vials
• 32 X 12 mm, 2ml, screw neck
• The 10-425 Wide opening enables easy filling with viscous materials.
• Reduce the chances of bent or broken needles during sampling.
• Broad range of Micro-Inserts .
The vials are preferentially used on instruments of the following manufacturers: Jasco, Perkin Elmer, Shimadzu, Varian, Waters®, etc.

The size of ND11 snap top autosampler vial is 11.6x32mm, which is made of borosilicate glass. this snap top sample vial is mainly used in liquid chromatography analysis. The most important, this liquid chromatography vial is compatible with Agilent, Shimadzu, Waters, Varian, Thermo fisher and other brand autosampler instrument. All of sample vial is on stock, you can get the HPLC vial in 7-10 days after you order. Welcome to inquiry.

Advantages of 500ml media bottle: The use of high-quality raw materials and uniform wall thickness distribution reduces the possibility of bottle rupture, improves employee safety, extends the service life of laboratory glassware, and protects valuable substances.

size: 16*100mm/16*90mm/16*125mm/16*150mm

Hazardous material: No
Type of crimper: Manual, standard
Nominal diameter: N 20
Cap type: Crimp cap (aluminum), Crimp cap (magnetic), Crimp cap (magnetic bi-metal)
Recommended application(s): For crimping of 20 mm crimp caps
Storage temperature: RT
Scope of delivery: 1 x crimping tool N 20

9mm screw thread caps and vials are suitable for Agilent, AB Sciex, Brukers, Techcomp, PerkinElmer, ThermoScientifics, Shimadzu, Waters, CTC autosampler and other rotating or robotic arm samplers and autosamplers.

9mm screw autosampler vial with micro-insert for chromatography analysis has been widely recognized. This micro-insert has different shape. Cone bottom and Flat bottom micro-insert are very common. You also saw the micro-insert with spring support.

Aijiren laboratory 500ml media bottles are widely used because of consistent performance & better quality. The PP cap and pouring ring of the Aijiren 500ml media bottle can be autoclaved to 140°C.

These 2ml clear chromatography vials include 100/PK of 2ml RSA-Pro™ surface-treated glass vials with 9mm screw threads. Any requirement about 2ml clear chromatography vials,please contact AIJIREN.
Volume: 2ml
Usage: Laboratory Analysis
Brand Name: AIJIREN
Printing with Company Logo: Accept

All 20ml crimp top gas chromatography vials are Type 1 borosilicate glass and the range is extensive enough to cover all major manufacturer’s instruments, including Shimadzu, Agilent, PE, CTC and Tekmar headspace instruments.

11mm crimp top autosampler vials are suitable for Agilent, AB Sciex, Brukers, Techcomp, PerkinElmer, ThermoScientifics, Shimadzu, Waters, CTC autosampler and other rotating or robotic arm samplers and autosamplers.

Materials of construction: pp chamber, PP plunger outer housing, borosilicate glass plunger inner storage vial, silicone septa with PTFE liner, PP cap
Unfiltered sample chamber: 500 µL
Filtered sample chamber: 330 µL
Maximum operating temperature: 122°F (50°C)
Minimum filtering sample volume: 220 µL placed into the chamber to obtain a 50 µL filtered sample

Aijiren 10mm hplc vial is generally made of high-quality imported 5.0 expanded borosilicate glass tube. The high cost performance of this material is the first choice for throughput analysis, and the 7.0 vial can also be customized. The matching polypropylene bottle cap is chemically compatible, suitable for most chromatographic applications, and suitable for 6mm diameter micro-insert.

The Via with Cap produced by Aijiren is often used in chromatography. Aijiren has its own factory and workshop, with more than 120 workers working in the factory. Aijiren purchased a lot of the latest equipment to form a production line. Both Aluminum Caps and Screw Caps are used to seal Vias and used in chromatography experiments.

2mL of water or wastewater sample is added to a Chemical Oxygen Demand Tubes containing the digestion reagent and a catalyst. Aijiren is the leading supplier of Chemical Oxygen Demand Tubes from China.

Aijiren 10mL certified screw and crimp style, clear or amber glass headspace vials. These 10ml Headspace GC Vials come in both flat- and round bottom styles for use in a wide variety of headspace instrument platforms.