Centre Hole Top | Pre-slit Top | Cross Pre-slit Top | Closed Top Proper septa selection is critical to preventing contamination and avoiding damage to the needle and instrument. Available septa options include:    ✦ Available in standard size: ND8, ND9, ND13, ND15. ✦ They have a 40% larger opening, which improves sample accessibility and reduces the risk of autosampler needle damage. ✦ Use solid top closures for long-term sample storage applications. ✦ All materials are produced in a class 100,000 cleanroom. ✦ OEM/ODM services are available

The average convexity of 60um can ensure the optimal resolution of experimental samples with a molecular weight less than 250 in a strong field of up to 600MH.  

150uL Micro Insert with Mandrel Interior& Polymer Feet, 29*5mm;  suits for 8-425 Vials  250uL Micro Insert with Mandrel Interior& Polymer Feet, 29*5.7mm;  suits for 9-425 Vials    ✦ Nokelab offers various micro-volume inserts for quick conversion of standard vials to low-volume use. ✦ Compatible with 5mm diameter openings. ✦ Available in flat, conical, and polymer-feet designs for complete sample extraction and added needle protection. ✦ Cost-effective for routine HPLC applications, with inserts matched precisely to vial size.

Centre Hole Top | Pre-slit Top | Cross Pre-slit Top | Closed Top Proper septa selection is critical to preventing contamination and avoiding damage to the needle and instrument. Available septa options include:    ✦ Available in standard size: ND8, ND9, ND10, ND13, ND15. ✦ They have a 40% larger opening, which improves sample accessibility and reduces the risk of autosampler needle damage. ✦ Use solid top closures for long-term sample storage applications. ✦ All materials are produced in a class 100,000 cleanroom. ✦ OEM/ODM services are available

150uL Conical Micro Insert, 31*5mm;  suits for 8-425 Vials  250uL Conical Micro Insert, 31*6mm;  suits for 9-425 Vials    ✦ Nokelab offers various micro-volume inserts for quick conversion of standard vials to low-volume use. ✦ Compatible with 5mm diameter openings. ✦ Available in flat, conical, and polymer-feet designs for complete sample extraction and added needle protection. ✦ Cost-effective for routine HPLC applications, with inserts matched precisely to vial size.

✦ Available in standard size: ND8, ND9, ND10, ND13, ND15. ✦ They have a 40% larger opening, which improves sample accessibility and reduces the risk of autosampler needle damage. ✦ Use solid top closures for long-term sample storage applications. ✦ All materials are produced in a class 100,000 cleanroom. ✦ OEM/ODM services are available Centre Hole Top | Pre-slit Top | Cross Pre-slit Top | Closed Top Proper septa selection is critical to preventing contamination and avoiding damage to the needle and instrument. Available septa options include: 

Centre Hole Top | Pre-slit Top | Cross Pre-slit Top | Closed Top Proper septa selection is critical to preventing contamination and avoiding damage to the needle and instrument. Available septa options include:    ✦ Available in standard size: ND8, ND9, ND13, ND15. ✦ They have a 40% larger opening, which improves sample accessibility and reduces the risk of autosampler needle damage. ✦ Use solid top closures for long-term sample storage applications. ✦ All materials are produced in a class 100,000 cleanroom. ✦ OEM/ODM services are available

Noke lab has been involved in the design and manufacture of vials, caps and seals for chromatography as long as chromatography has been used as an automatic analytical technique. Therefore Noke lab is able to offer suitable combinations for the most popular instruments currently in use . 

High porosity and fast flow rate，The membrane disc is not damaged and is clean, nodust and otherpollutants, easy to observe.Clear and standard Grid The membrane and its grid line has excellent resistance to ethanol and other reagents  

Headspace vials and caps are designed for gas chromatography, ensuring secure seals to prevent contamination. Available in 6 mL, 10 mL, and 20 mL sizes with flat or round bottoms, they are compatible with various headspace instruments. Caps come in aluminum, bimetal, and steel with PTFE/silicone, molded PTFE/butyl, and Pharma-fix butyl septa. Ideal for pharmaceuticals, environmental testing, energy, and more.

◊ Cap Options: Screw top, snap top, and crimp top. ◊ Glass Insert Options: Optional glass inserts ensure sensitive samples only contact high-quality glass for purity. ◊ Enhanced Sample Recovery: Conical design minimizes residual volume, maximizing sample extraction. ◊ Wide Applications: Ideal for pH-sensitive and metal analyses in pharmaceutical, environmental, and biopharmaceutical industries.

  Material: Constructed from high-quality type 1 borosilicate glass, low metal content to protect samples from destabilization and leaching Cap Options: PTFE/silicone septum, PTFE only septum, Natural red rubber septum, Butyl septum, and PTFE/butyl septum Compatibility: Designed for HPLC and GC autosamplers Applications: Pharmaceutical analysis, Environmental testing, Energy and fuels, Forensics Materials science, Biopharmaceutical research, Proteomics, and Metabolomics Key Features: Effective in minimizing sample content leakage, particularly beneficial for GC and GC/MS applications

◊ High Compatibility:  11 mm screw cap vials are compatible with standard 11 mm screw cap with an 11 mm internal diameter. ◊ Various Septum Options: PTFE/silicone, solid polyethylene, polyurethane, and polyethylene olefin.◊ For Nonvolatile Matrices: Ideal for nonvolatile liquid samples where an airtight seal isn’t necessary.◊ Wide Applications: Commonly used in HPLC, pharmaceuticals, and biopharmaceuticals, and other related industries.

High Recovery Vials: Nokelab’s high recovery vials maximize sample utilization for limited volume work, eliminating the need for separate vial inserts. HPLC Vial Inserts: Designed to fit any 2 mL vial, ensuring precise handling of small samples. Wide Compatibility: Suitable for HPLC and GC platforms, covering applications in pharmaceuticals, environmental science, energy, forensics, biopharmaceuticals, and more.

NOKE PFAS Free Vials & Caps, also known as PTFE-Free Vials & Caps. Designed for handling pH-sensitive samples and analyses involving sodium or heavy metals, making them ideal for PFAS testing where sample integrity is crucial.

Noke Turbidimeter Sample Cells (FTU Test Vials, Transparent Photometer Cells) are made of high borosilicate glass, designed for precise turbidity measurements. They ensure high accuracy and repeatability, making them ideal for water quality analysis and environmental monitoring.

✦Membrane material: PES (Polyethersulfone) , MCE, hydrophilic PVDF, hydrophobic PVDF, hydrophilic PTFE, hydrophobic PTFE, Nylon  ✦ Membrane hole size: 0.1, 0.22, 0.45, 0.65, 0.8, 1.0, 1.2, 3, 5μm… ✦ Syringe filter diameter: 4, 13, 17, 25, 30, 33, 50mm ✦ Features: High flow rate | High throughput → not easily clogged | High retention rate (>99%) | High voltage withstand | Small retention volume | Low Dissolved Matter

✦Membrane material: PES (Polyethersulfone) , MCE, hydrophilic PVDF, hydrophobic PVDF, hydrophilic PTFE, hydrophobic PTFE, Nylon  ✦ Membrane pore size: 0.22 μm, 0.45 μm ✦ Syringe filter diameter: 13 mm, 25 mm, 30 mm ✦ Hydrophilic PES (polyethersulfone) Features: Low protein binding to reduce sample interaction and maximize recovery. High-throughput membrane enables fast filtration for large sample volumes.

✦Membrane material: PES (Polyethersulfone) , MCE, hydrophilic PVDF, hydrophobic PVDF, hydrophilic PTFE, hydrophobic PTFE, Nylon  ✦Membrane hole size: 0.1, 0.22, 0.45, 0.65, 0.8, 1.0, 1.2, 3, 5μm… ✦ Syringe filter diameter: 4, 13, 17, 25, 30, 33, 50mm ✦ Features: Noke's Mixed Cellulose Esters (MCE)  hydrophilic membrane, made from a blend of cellulose acetate (CA) and nitrocellulose (NC), offers low chemical resistance and minimal protein binding. This combination provides enhanced resilience for aqueous-based filtration. ✦ Application: MCE membrane is particularly suitable for biological and environmental sample filtration due to its biological inertness. It can be used for bacterial detection, air monitoring, and sample purification.

✦Membrane material: PES (Polyethersulfone) , MCE, hydrophilic PVDF, hydrophobic PVDF, hydrophilic PTFE, hydrophobic PTFE, Nylon  ✦Membrane hole size: 0.1 μm, 0.22 μm, 0.45 μm, 0.65 μm, 0.8 μm, 1.0 μm, 1.2 μm, 3 μm, 5 μm… ✦ Syringe filter diameter: 4 mm, 13 mm, 17 mm, 25 mm, 30 mm, 33 mm, 50 mm ✦ Features: Noke Nylon Syringe Filters feature a naturally hydrophilic membrane with low extractables and superior chemical compatibility compared to CA or MCE. They are suitable for filtering aqueous solutions or mild organic solvents.  

✦Membrane material: PES, MCE, PVDF, PTFE, NY, GF, PP… ✦ Membrane hole size: 0.1 μm, 0.22 μm, 0.45 μm, 0.65 μm, 0.8 μm, 1.0 μm, 1.2 μm, 3 μm, 5 μm… ✦ Syringe filter diameter: 4 mm, 13 mm, 17 mm, 25 mm, 30 mm, 33 mm, 50 mm ✦ Features: Noke PTFE (Polytetrafluoroethylene) syringe filters are inherently hydrophobic, with hydrophilic options also available.  This membrane offer the highest chemical compatibility, ideal for clarifying organic solvents and air venting, but require pre-wetting for aqueous filtration.

✦Membrane material: PES, MCE, PVDF, PTFE, NY, GF, PP… ✦ Membrane hole size: 0.1 μm, 0.22 μm, 0.45 μm, 0.65 μm, 0.8 μm, 1.0 μm, 1.2 μm, 3 μm, 5 μm… ✦ Syringe filter diameter: 4 mm, 13 mm, 17 mm, 25 mm, 30 mm, 33 mm, 50 mm ✦ Features: Noke PTFE (Polytetrafluoroethylene) syringe filters are inherently hydrophobic, with hydrophilic options also available.  This membrane offer the highest chemical compatibility, ideal for clarifying organic solvents and air venting, but require pre-wetting for aqueous filtration.

High Recovery Vials: Nokelab’s high recovery vials maximize sample utilization for limited volume work, eliminating the need for separate vial inserts. Various membrane : CA, RC, MCE, Glass Fiber, PP Wide Compatibility: Suitable for Waters, Agilent, Shimadzu, and other major chromatography instruments|Rapid, one-step filtration with an integrated plunger | Pre-slit cap for clean and efficient sample transfer | Replaces syringes, filters, glass vials, and caps, offering cost savings

✦Membrane material: PES, MCE, PVDF, PTFE, NY, GF, PP… ✦ Membrane hole size: 0.1, 0.22, 0.45, 0.65, 0.8, 1.0, 1.2, 3, 5μm… ✦ Syringe filter diameter: 4, 13, 17, 25, 30, 33, 50mm ✦ Features: High flow rate | High throughput → not easily clogged | High retention rate (>99%) | High voltage withstand | Small retention volume | Low Dissolved Matter

It is widely used in laboratories, it does not need to replace membrane and cleaning, save your working time. Mainly be used for sample filter, take out particulars, liquid and gas sterile filtration. Ideal products for HPLC, GC sample filtration. Our syringe filter outside use medical grade polypropylene, up and down is made by ultrasonic welding. One time shipped integrated body, could bear high temperature, will not have leakage at all.

✦ Available in standard size: ND8, ND9, ND10, ND13, ND15. ✦ They have a 40% larger opening, which improves sample accessibility and reduces the risk of autosampler needle damage. ✦ Use solid top closures for long-term sample storage applications. ✦ All materials are produced in a class 100,000 cleanroom. ✦ OEM/ODM services are available Centre Hole Top | Pre-slit Top | Cross Pre-slit Top | Closed Top Proper septa selection is critical to preventing contamination and avoiding damage to the needle and instrument. Available septa options include:     

◊ High-Quality Material: Made from borosilicate glass conforming to USP Type I and ASTM E438,Type I, Class B requirements. ◊ Various Options: PTFE/silicone, PTFE/silicone/PTFE, or PTFE/natural red rubber. ◊ For Nonvolatile Matrices: Ideal for sample matrices that are not highly volatile.◊ Wide Applications: Ideal for HPLC and GC platforms, these vials support industries such as pharmaceuticals, biopharmaceutical, environmental testing, energy and fuels and materials science.

250uL Flat Bottom Micro Insert, 31*5mm, Clear;  suits for 8-425 Vials  300uL Flat Bottom Micro Insert, 31*6mm, Clear;  suits for 9-425 Vials    ✦ Nokelab offers various micro-volume inserts for quick conversion of standard vials to low-volume use. ✦ Compatible with 5mm diameter openings. ✦ Available in flat, conical, and polymer-feet designs for complete sample extraction and added needle protection. ✦ Cost-effective for routine HPLC applications, with inserts matched precisely to vial size.

It is widely used in laboratories, it does not need to replace membrane and cleaning, save your working time. Mainly be used for sample filter, take out particulars, liquid and gas sterile filtration. Ideal products for HPLC, GC sample filtration. Our syringe filter outside use medical grade polypropylene, up and down is made by ultrasonic welding. One time shipped integrated body, could bear high temperature, will not have leakage at all.

It is widely used in laboratories, it does not need to replace membrane and cleaning, save your working time. Mainly be used for sample filter, take out particulars, liquid and gas sterile filtration. Ideal products for HPLC, GC sample filtration. Our syringe filter outside use medical grade polypropylene, up and down is made by ultrasonic welding. One time shipped integrated body, could bear high temperature, will not have leakage at all.

It is widely used in laboratories, it does not need to replace membrane and cleaning, save your working time. Mainly be used for sample filter, take out particulars, liquid and gas sterile filtration. Ideal products for HPLC, GC sample filtration. Our syringe filter outside use medical grade polypropylene, up and down is made by ultrasonic welding. One time shipped integrated body, could bear high temperature, will not have leakage at all.

◊ High-Quality Material: Made from borosilicate glass conforming to USP Type I and ASTM E438,Type I, Class B requirements. ◊ Various Options: PTFE/silicone, PTFE/silicone/PTFE, or PTFE/natural red rubber. ◊ For Nonvolatile Matrices: Ideal for sample matrices that are not highly volatile.◊ Wide Applications: Ideal for HPLC and GC platforms, these vials support industries such as pharmaceuticals, biopharmaceutical, environmental testing, energy and fuels and materials science.