Injection Septum

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Injection Septum
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  • …PTFE septum injector. Allows direct, on-column injection to the center of the filter disc at top of column without stopping the solvent flow through the 1/4"-28 female side thread (with or without helicoil). Locknut design provides leaktight seal without o-rings. You can order the 5/16"-28 septum

  • …critical analyzes Longer lasting than BTO septa Combines longevity and low bleeding pattern Marathon Septa with extremely long life Longest lasting septa - also for use with autosamplers Up to 400 injections per septum Also ideal for manual standing injections for GC and GC-MS

  • GC injection port septa Standard quality Septum grade: Standard septa (ST) Material: beige silicone Thickness: 4 mm Hardness: 60° shore A Septum grade: High temperature septa (HT) Material: red non-bleeding silicone Thickness: 3 mm Hardness: 60° shore A …

  • Needle guide allows easy penetration and prevents septum coring Manual injection septum nut allows use of 26-gauge needles for on-column injections Made of high-quality stainless steel

  • …thousands of injections Eliminates septum coring and crumbling Reliable performance during extended runs O-ring detail seals needle during injection Duckbill seals more tightly at higher pressures Low insertion force for easy manual injections Reduced septum bleed and ghost…

  • …caps and septa are convenient and minimize contamination from handling Phenolic caps can be autoclaved Kim-Lok™ cap/septum assemblies feature a molded centering ring to eliminate septum movement during injection Storage cap has a solid top and pre-inserted PTFE disk liner

  • Septa Pick

    Chromatography Research Supplies

    For removing small pieces of septa lodged in the threads and corners of the septum cap or injection port and other small cleaning jobs.

  • Septa

    Agilent Technologies

    …the injection side that guides the syringe needle to the same point with every injection. Center point guides the needle for easy penetration and less coring. Long-Life Septa are the preferred septum for autosamplers and are ideal for overnight runs. You can make up to 400 injections per septum

  • …Microseal septum include elimination of septum coring, longer life, and consistently low needle-insertion force. The Microseal septum incorporates two separate sealing mechanisms. These sliding seals eliminate septum coring and the resulting accumulation of septum crumbs in the injection port liner.…

  • …Microseal septum include elimination of septum coring, longer life, and consistent low needle insertion force. The Microseal septum incorporates two separate sealing mechanisms. These sliding seals eliminate septum coring and the resulting accumulation of septum crumbs in the injection port liner.…

  • Caps

    TriForest

    …culture. Septum Cap Serves as closure for flasks and media bottles. This cap comes in standard blue polypropelene with gray butyl rubber. Ideal for injectibles, especially pathogenic media. DuoSeptum Cap This cap is an ingenious combination of our TriForest septum Cap and vented…

  • The Advanced Green septum was created to combine significantlylonger injection life, low bleed and low injection port adhesion.The result is a general use green septum you can use for all yourcritical analyses. Advance Green septa are packaged in a plasticdial pack of 10 septa.

  • Medium durometer PTFE / silicone septum Allows for good resealability, core resistance, multiple injections and easy penetration

  • … Point Style 2 tips have a 22° beveled point recommended for septum penetration. The tip is slightly bent, partially obstructing the orifice, minimizing septum coring and needle plugging. Point Style 3 is a blunt (90°) point for use with HPLC injection valves and for sample pipetting.

  • …elimination of septum coring, long lifetime, and consistently low needle-insertion force. The Microseal septum incorporates two separate sealing mechanisms; these sliding seals prevent septum coring and the associated accumulation of septum crumbs in the injection port liner. Installation…

  • …threaded to allow a O-RING-CAP-SEAL connection with mating male joint and inner joint at bottom. Supplied with cap, O-Ring and septum. Available with ex-ternally threaded outer side port off resevoir, both side port and top joint supplied with cap and septum for syringe injection or retrieval.

  • …for septum penetration. The tip is slightly bent, partially obstructing the orifice and minimizing septum coring and needle plugging. See Thomas numbers 8928C40 and C43 for 26s and 22s, point style 2, needles. Point Style 3 is a blunt (90°) needle point for use with HPLC injection valves…

  • …Microseal septum include elimination of septum coring; longer life; and consistent, low needle-insertion force. The Microseal septum incorporates two separate sealing mechanisms. These sliding seals eliminate septum coring and the resulting accumulation of septum crumbs in the injection port liner.…

  • Target DP* 9 mm Convenience Kit

    National Scientific

    …a wide opening closure. Utilizing AVCS technology, the C5000 series wide opening closure increases the available injection area by over 7% providing greater area for injection needle penetration. National C5000 Series Target DP 9mm Integral Membrane Closure In addition to AVCS technology,…

  • …Microseal septum include elimination of septum coring; longer life; and consistent, low needle-insertion force. The Microseal septum incorporates two separate sealing mechanisms. These sliding seals eliminate septum coring and the resulting accumulation of septum crumbs in the injection port liner.…

  • Long injection life, pre-pierced for minimal coring. Maximum temperature 400°C. Long injection life septum typically achieves 400 injections without failure, when used with a rounded-tip (Agilent-style) needle and autosampler or needle guide. Ideal for standard manual-injection GC and GC/MS. 3 mm…

  • Marathon Septa

    Chromatography Research Supplies

    …GC Septa for autosampler use Outstanding lifetime Very low bleed Maximum temperature of 350°C Septum typically achieves 400 injections without failure when used with HP-style needles and autosampler needle guide. Soft, 45 Durometer, septa are easy on autosampler…

  • …plunger design minimizes bending and seizing, and the cone tip needle point style has been developed specifically to withstand multiple fast septum injections. Select from a wide range of fixed needle and removable needle options. PTFE tipped replaceable plunger versions are available for use…

  • …plunger design minimizes bending and seizing, and the cone tip needle point style has been developed specifically to withstand multiple fast septum injections. Select from a wide range of fixed needle and removable needle options. PTFE tipped replaceable plunger versions are available for use…

  • …liner. Why replace the septum? The septum maintains a leak-tight seal that excludes air from the inlet. Frequent replacement prevents fragmentation and leaks. Multiple injections and continuous exposure to hot injection port surfaces will decompose the septum and can create particles, which…

  • Gas Sampling Bulbs, 250cc

    Bel-Art - SP Scienceware

    …recommended pressure is 15 psi 1207Y48 has 4mm straight bore stopcock on one end and silicone rubber septum mounted in screw fitting on the other end. Septum can withstand several injections. 6 septa included. Overall length 29cm (11-15/16") 0211F02 has 4mm straight bore stopcock on each…

  • …can be placed into any autosampler that accepts a 12 mm × 32 autosampler vial for injection into your instrument. Alternatively, the septum can be pierced with a needle and the sample drawn off for manual injection into an analyzer. Simplifying UHPLC/HPLC sample preparation minimizes instrument…

  • …allowing 6000 psig maximum injection pressures. These hubs also allow the attachment of a spacer for repeatable injection depths. Point style 2 needles are beveled, non-coring needle points for septum penetration. Point style 3 needles are recommended for HPLC injection valves and for sample…

  • The inlet seal at the base of the GC injection port contacts the sample and must be changed frequently to prevent adsorption of active compounds. In addition, septum fragments and sample residue accumulate on the disk surface, requiring disk replacement. Siltek treatment provides inertness…

  • …capillary injection ports. Fits Agilent (5890, 6890, and 7890) Fits Finnigan (9001GCQ) Fits Varian (CP-1177 Injector) The liner is the second most important part of the inlet. It is the centrepiece of the inlet system, basically a glass tube between the septum and the column,…

  • Omni-Fit Valve NMR System

    Wilmad-LabGlass - SP Scienceware

    …NMR valve system is designed for easy injection of samples through a gas-tight syringe without the need for a glove box in anaerobic applications. Omni-Fit valve (OFV) is a complete accessory set Comprised of a 5mm end cap, 2 way valve, septum with cap, barrel coupler, and a vacuum…

  • The inlet seal at the base of the Agilent 5890/6890/7890 GC injection port contacts the sample and must be changed frequently to prevent adsorption of active compounds. In addition, septum fragments and sample residue accumulate on the disk surface, requiring disk replacement. To reduce breakdown…

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