Product Category
HPLC Septa for Sample Handling
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What is a HPLC Vial Septa?Jul 23, 2020 When HPLC Vials are used in an autosampler, the injection needle needs to be inserted into the HPLC Vial to draw samples.
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Septa are made from different materials. See below for definitions and uses of different types of septa materials. Rubber septa. Used primarily for routine analysis in gas chromatography. Offers moderate ability to reseal and good chemical inertness. Not recommended for multiple injections or holding samples for further analysis.
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Wide Opening 2mL Glass Screw Vial 12 x 32mm 9mm Screw Caps With Pre-Fitted Septa For 12 x 32mm Vials Wide Opening 2ml Glass Crimp Vials 12 x 32mm Aluminium Crimp Caps With Pre-Fitted Septa For 12 x 32mm Vials To order, visit thermofisher.com/vials or contact your local sales representative For Research Use Only.
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Jan 8, 2021 The sample bottles and cap samples produced by Aijiren Technology, screw cap with precision-fit septa provide an evaporation-proof seal. Autosampler Vials, Inserts, and Closures | Aijiren Tech Scientific. Vials, vial inserts, septa, and caps/closures with or without septa for use with autosamplers and autosampler vials; includes ...
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closure provides a halogen and rubber-free sample handling environment for HPLC applications or applications where silicones or rubber septa are not suitable. This cap benefits from the improved septa sealing and ergonomic improvements while still delivering a value option closure system. Strict control of the membrane qualities makes this
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Mar 15, 2022 · Oct 19, 2015 · I heard that LC vials with non slit septa gives OOS results, if the vials are filled to the neck, it creates vaccum or back pressure. The issue is not with the septa but with overfilling the vial. Slit septa leak around the needle while the sample is being withdrawn, so the headspace stays at atmospheric pressure.
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Mar 17, 2009 · In HPLC often slitted or cross-slitted Silicone/PTFE Septa are used, in order to offer a penetration aid for the fairly thick and dull needles used in the HPLC instruments. While the instrument needle requires the slitted septa, the user may run into the risk of concentration changes due to the evaporation of solvents.
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Oct 28, 2021 · Cap/Septum has a natural Pre-slit Blue polytetrafluoroethylene (PTFE) and white silicone septa are convenient and minimize contamination from handling.Cap/Septum tested by head space GC to ensure proper curing of silicone polymer.2ml HPLC Vials caps and septa with most close space tolerance and caps and septa meet standards set
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Aijiren Technologies. Our screw vials and vial screw caps are designed for both HPLC and GC instrument platforms across a wide variety of applications, including pharmaceutical, environmental, energy and fuels, forensics, materials science, biopharmaceutical, proteomics, and metabolomics. This product is only available. Compare this item.
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Aijiren's 2 mL screw top vials are constructed from Type 1 borosilicate glass, with low metal content, to protect your sample from destabilizing or leaching. Our 2 mL glass vials are available in both amber and clear versions. The associated 9 mm vial screw cap comes with your choice of septa constructed from either PTFE/silicone, PTFE/silicone
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PTFE Septa Standard GC Septa 60 1.0 100 60180A-SC9ST1 9mm Black Screw Cap, Red Silicone/ Clear PTFE Septa Standard HPLC Septa 60 1.0 100 60180A-SC9STS1 9mm Black Screw Cap, Red Silicone/ Clear PTFE Septa, Slitted Standard HPLC Septa 60 1.0 100 60180A-SC9STB1 9mm Blue Screw Cap, Silicone/PTFE Bonded Septa Special HPLC Septa 45 1.0 100
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PTFE/Synthetic Red Rubber Septa: (PTFE/RR) -30 +110 -22 +230 PTFE/ High Perfomance Red Rubber Septa -40 +110 -40 +230 PTFE/Silicone Septa: (T/S) -60 +200 -76 +392 PTFE/Silicone/PTFE Septa: (T/S/T) * -60 +200 -76 +392 PTFE Septa * -200 +250 -328 +482 Polyethylene (PE) * -50 +80 -58 +176 Polypropylene (PP) * 0 +121 32 +250
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Oct 13, 2016 · Cleanliness of the vial and septa has also become critical with increasing sensitivity of HPLC and UHPLC systems. 10-15 years ago, customers started to see contaminants from vial and septa residues from the manufacturing process. The residues were always present, but peaks started to appear above the base line as systems became more sensitive.
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Each lot of certified kits is tested by HPLC/UV and GC/MS against 15 critical parameters. Certificate of Conformance included in every pack. Kits are delivered shrink-wrapped to ensure product cleanliness. Superior quality 1st hydrolytic class glass (Type 1) in clear and amber. Fixed insert or conical base vials for limited volume sampling.
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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.
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