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PTFE Membrane Filter
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PTFE membrane filter
1.5 ML/2ML 8-425 Screw Neck Autosampler Vials ND8
1.5 ML/2ML 8-425 Screw Neck Autosampler Vials ND8
2020 05 20

Material: USP Type 1, Class A, 33 Borosilicate Glass
Volume: 2ml (standard volume) 1.5ml(actual volume)
Application: HPLC and GC system
Dimensions: 11.6 x 32mm
Neck Diameter: 8mm
Qty/Pack: 100pcs/pack
Payment: T/T
MOQ: 1pack

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1.5ml 9mm Short Thread Autosampler Vials ND9
1.5ml 9mm Short Thread Autosampler Vials ND9
2020 05 20

Material: USP Type 1, Class A, 33 Borosilicate Glass
Volume: 2ml (standard volume) 1.5ml(actual volume)
Application: HPLC and GC system
Dimensions: 11.6 x 32mm
Neck Diameter: 9mm
Qty/Pack: 100pcs/pack
Payment: T/T
MOQ: 1pack

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1.5ml 10-425 Screw Autosampler Vials ND10
1.5ml 10-425 Screw Autosampler Vials ND10
2020 05 20

Material: USP Type 1, Class A, 33 Borosilicate Glass
Volume: 2ml (standard volume) 1.5ml(actual volume)
Application: HPLC and GC system
Dimensions: 11.6 x 32mm
Neck Diameter: 10mm
Qty/Pack: 100pcs/pack
Payment: T/T
MOQ: 1pack

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1.5mL 11mm Crimp Ring Autosampler Vial ND11
1.5mL 11mm Crimp Ring Autosampler Vial ND11
2020 05 19

Material: USP Type 1, Class A, 33 Borosilicate Glass
Volume: 2ml (standard volume) 1.5ml(actual volume)
Application: HPLC and GC system
Dimensions: 11.6 x 32mm
Neck Diameter: 11mm
Qty/Pack: 100pcs/pack
Payment: T/T
MOQ: 1pack

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1.5mL 11mm Snap Ring Autosampler Vial ND11
1.5mL 11mm Snap Ring Autosampler Vial ND11
2020 05 19

Material: USP Type 1, Class A, 33 Borosilicate Glass
Volume: 2ml (standard volume) 1.5ml(actual volume)
Application: HPLC and GC system
Dimensions: 11.6 x 32mm
Neck Diameter: 11mm
Qty/Pack: 100pcs/pack
Payment: T/T
MOQ: 1 pack

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4mL 13-425 Screw Neck Autosampler Vial ND13
4mL 13-425 Screw Neck Autosampler Vial ND13
2020 05 19

Material: USP Type 1, Class A, 33 Borosilicate Glass
Application: HPLC and GC system
Volume: 4ml (standard volume)
Dimensions: 15 x 45mm
Neck Diameter: 13mm
Qty/Pack: 100pcs/pack
Payment: T/T
MOQ: 1 pack

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16mm Test Tubes for Water Analysis
16mm Test Tubes for Water Analysis
2020 05 17

Material: USP Type 1, Class A, 33 Borosilicate Glass
Application: Water analysis
Qty/Pack: 25pcs/pack or 100pcs/pack
Dimensions: 16 x 100mm
Neck Diameter: 16mm
Volume: 12ml
Payment: T/T
MOQ: 1 pack

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20-60mL 24-400 Screw Neck Storage Vial ND24
20-60mL 24-400 Screw Neck Storage Vial ND24
2020 05 16

Dimensions: 27.5 x 57mm/27.5 x 75mm/27.5 x 95mm/27.5mm x 140mm
Material: USP Type 1, Class A, 33 Borosilicate Glass
Application: Environmental analysis
Neck Diameter: 24mm
Qty/Pack: 100pcs/pack
Volume: 20-60ml
Payment: T/T
MOQ: 1 pack

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8-12mL 15-425 Screw Neck Vial ND15
8-12mL 15-425 Screw Neck Vial ND15
2020 05 16

Material: USP Type 1, Class A, 33 Borosilicate Glass
Dimensions: 16.6 x 60mm/18.5 x 65mm
Application: Environmental analysis
Neck Diameter: 15mm
Qty/Pack: 100pcs/pack
Volume: 8-12ml
Payment: T/T
MOQ: 1 pack

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About us
Leading supplier of PTFE membrane filter since 2007,any requirement about PTFE membrane filter,please contact Aijiren
Zhejiang Aijiren Technology
PTFE Membrane Filter Supplier
Aijiren is a manufacturer specializing in providing PTFE membrane filter, GC Vial, HPLC Vial, etc. for chromatographic analysis experiments. Aijiren has been producing GC Vial since 2007. It has mature production technology and rich production experience. Aijiren is a well-known GC Vial supplier in China. There is also cooperation with government departments. Starting from Quzhou, Zhejiang, Aijiren is determined to go out of China and go to the world. Aijiren has become well-known in the world's chromatography consumables industry. At present, Aijiren has maintained GC Vials cooperation with customers in more than 70 countries and regions around the world.
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15+ Years Experience
1000+ National Partners
5+ Qualification Certificates
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Case
Customers for PTFE Membrane Filter
The Australian Customer’s V947 Autosampler Vial Order is Completed
The Australian Customer’s V947 Autosampler Vial Order is Completed
A customer from Australia talked to Aijiren’s sales manager Maggie about which Vias they needed. He said that he needed a 2ml Autosampler Vial, and Maggie asked about Screw top vial, Snap top vial or Crimp top vial. The customer asked about the differences between these three types of Vias. Maggie explained the difference between the three types of Vials and recommended Screw top Vial, stating that this type of Vials is the best-selling product, and it can also match most Autosamplers ...
American Customer Ordered 100,000 Boxes of 9-425 2ml HPLC Vials
American Customer Ordered 100,000 Boxes of 9-425 2ml HPLC Vials
A customer contacted Aijiren through Alibaba and communicated with our sales manager Joshua. After learning about Aijiren’s situation and strength, he proposed to buy our 9-425 HPLC Vials, and they needed a lot of quantity. We first decided to send some samples to the customer. He asked for a 2ml 9mm hplc vial with graduated borosilicate glass. Therefore, we sent a few packs of 9mm short-thread sample vials V927 produced by Aijiren as samples for customers to test. Aijiren 2ml 9mm cle...
5000-boxes-of-blue-screw-cap-10-425-hplc-vial-sent-to-singapore
5000-boxes-of-blue-screw-cap-10-425-hplc-vial-sent-to-singapore
A customer from Singapore wanted to purchase 2ml 10mm HPLC Vial. He searched for Aijiren on the Internet and contacted our account manager. Aijiren sent samples last month. After the trial, the customer placed an order for 5000 from Aijiren. Box of Blue Screw Cap 10-425 Vial. Aijiren has been working hard to produce 10-425 Vials after receiving the order, using a new and efficient production machine in the factory, and several workshops are operating at the same time, producing and packaging...
News
Latest New about PTFE Membrane Filters
Why PTFE is the default membrane in regulated sample prep
I lost three weeks of method validation time in 2019 because a lot of PTFE syringe filters I had approved for a metals-by-ICP prep step were silently shedding fine particulate into the digestate. The filters met the certificate of analysis. They were the right pore size and diameter. What they were not was the grade the regulated method actually assumed. That experience is the reason I now treat PTFE filter selection as a compliance decision, not a purchasing decision, and it is the reason ...
10 20
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What a PTFE membrane actually is and why it matters
I have watched a postdoc ruin a 96-well plate of samples with a $40 box of filters. The membranes were the wrong polymer, the pore size was too small, and the syringe was pushed too hard. The samples came back with PTFE fibers and a shifted baseline. That single mistake cost three days of instrument time and a re-run. Most filter selection problems I see in labs are not exotic. They come from buying on price or habit instead of matching the membrane to the chemistry, the particle load, and ...
10 20
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Why PTFE shows up in regulated methods at all
I lost three weeks of method validation time in 2019 because a 0.45 µm PTFE syringe filter leached a UV-active compound that co-eluted with my analyte at 254 nm. The method was an in-house modification of EPA 8270, the filter was “the same one we always use,” and the lot number had changed. That experience rewired how I think about membrane filters in regulated work: they are not passive plumbing. They are a sample preparation variable that can shift recovery, add peaks, or fail...
10 19
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What a PTFE membrane actually is, and why it behaves the way it does
I still remember the first time a filtration step quietly ruined an entire batch of HPLC data. The membrane looked fine, the vacuum was steady, and yet every injection came back with a shoulder on the main peak and a ghost peak at 8.2 minutes. The culprit was a 0.45 µm PTFE disc that had been sitting in a drawer for two years and had picked up plasticizer contamination from its own packaging. That afternoon taught me a lesson I have repeated to every procurement manager I’ve worked wi...
10 19
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Hot Recommended
Why PTFE is the default membrane in regulated sample prep
What a PTFE membrane actually is and why it matters
Why PTFE shows up in regulated methods at all
What a PTFE membrane actually is, and why it behaves the way it does
Why PTFE ends up in regulated methods at all
What a PTFE membrane actually does
high performance PTFE membrane filter 0.22 um Ec21
Certified PTFE membrane filter 0.22 um for laboratory vacuum filter system
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Tel:+8618338832256
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