Chromatography Autosampler Vial Caps Only
Trajan Scientific Headspace Magnetic Crimp Cap 20mm, 8mm hole, PTFE/Clear Silicone, 3mm, 100 Pack
Cap, Crimp, Headspace, Magnetic With 8mm hole, 0.005 in. PTFE/Clear Silicone - 3.2mm, 100 Pack
Trajan Scientific La-Pha-Pack , Cap, Screw, Black, 10mm Pre-slit, 1.5mm, White Silicone/Blue PTFE, Combination Seal, 100 Pack. Made in Germany.
La-Pha-Pack , Cap, Screw, Black, 10mm Pre-slit, 1.5mm, White Silicone/Blue PTFE, Combination Seal, 100 Pack. Made in Germany.
Waters Corp Black, Screw Neck Cap and PTFE/Silicone Septum, 100/pk
Waters offers a selection of cap, septum, and assembled cap/septum for various vial sizes. The range of septum material is limited to PTFE, silicone / PTFE, and polyethylene septumless caps.
Chemglass Life Sciences Cap, Chem Snap, 11mm, Green, PTFE/Silicone Septum
Cap, Chem Snap, 11mm, Green, PTFE/Silicone Septum. Chem Snap Caps™ may be snapped on and off by hand which eliminates the need for metal crimping and decapping tools, thus reducing potential hazards due to sharp aluminum edges. Large opening provides greater target area for needle penetration. Snap caps are color coded for easy sample identification.
Chemglass Life Sciences Aluminum Seal, 11mm, Silver, PTFE/Silicone
Aluminum Seal, 11mm, Silver, PTFE/Silicone. The 11mm anodized aluminum seals are manufactured to fit all 11mm crimp top vials and are available in a variety of colors. The seal with the viton septa is resistant to many aggressive solvents. The 11mm magnetic seal can be used with any instrument where the vials is transported with the use of a magnet.
Chemglass Life Sciences Preassembled Closure and Septa, Blue, 9mm Thread, PTFE/Silicone Septa
Preassembled Closure and Septa, Blue, 9mm Thread, PTFE/Silicone Septa. Pre-assembled closure and septa minimize contamination from handling. They are convenient and available in a variety of colors with your choice of septa.
Chemglass Life Sciences Cap Only, 18mm Headspace, Magnetic, Red PTFE/White Silicone 1.25mm Thick Septa
Cap Only, 18mm Headspace, Magnetic, Red PTFE/White Silicone 1.25mm Thick Septa. Magnetic Headspace Caps with Septa: (All Silicone is Low Bleed)The 18mm magnetic screw caps are designed for use with any autosampler using a magnet to transport the vial from station to station. The closures are preassembled with a variety of septa.Magnetic Screw Caps with Pre-Cut Star Septa:Preassembled closures include pre-cut septa where only the carrier is cut through in a Y- form, leaving the PTFE lamination in tact. The unhurt PTFE lamination gives 100% protection to the sample while leaving a 0.05mm thick PTFE portion remaining for needle penetration. The Y-form in the pre-cut silicone allows for a better flow of air during sample pick up in order to avoid a vacuum in the vial. Designed for use with any autosampler using a magnet to transport the vial from station to station.
Chemglass Life Sciences Preassembled Closure and Septa, Black, 9mm Thread, PTFE/Silicone Septa
Preassembled Closure and Septa, Black, 9mm Thread, PTFE/Silicone Septa. Pre-assembled closure and septa minimize contamination from handling. They are convenient and available in a variety of colors with your choice of septa.
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber /PTFE Pre-Slit Septa, fitted in a smooth sided, Robo Style Yellow Caps. For use with 9-425 thread, 12x32mm autosampler vials. 100/PK.
Pre-slit for easy penetration by autosampler needles and to prevent "Septa Plunge".
Microsolv Technology Corporation Caps, Screw Top, with White Silicone Rubber / Natural PTFE Septa, fitted in "knurled", polypropylene, Black Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK.
This is our most economical, lowest cost Screw Cap for Autosampler Vials. Natural PTFE is as equally inert and durable as Red PTFE, but no dyes have been added.
Microsolv Technology Corporation Caps, Snap Top, with Red Rubber / PTFE Septa, fitted in smooth, polyethylene, Red Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 100/PK.
Red Rubber / PTFE is often the choice of labs that do not want to analyze with silicone rubber in the Septa and want a lower cost cap.
Microsolv Technology Corporation Caps, Screw Top, with Soft-Guard, White Silicone Rubber / Red PTFE Pre-Slit (X Shape) Septa, fitted in "knurled", polypropylene, Black Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK
X Shape Pre-Slit provides a greater target area for needles and are easier to penetrate but do not reseal as well as single slit septa. Recommended for Waters Alliance & Acquity instruments. Soft-Guard™ Septa are easier to penetrate by autosampler needles, and re-seals better than other Caps on the market. This provides longer instrument up-time, fewer missed injections and more consistent data. Use for HPLC, GC, LCMS or GCMS.
Microsolv Technology Corporation Caps, Screw Top, with Soft-Guard, White Silicone Rubber / Red PTFE Septa, bonded in "knurled", polypropylene, Black Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 1000/CS
Soft-Guard™ Septa are easier to penetrate by autosampler needles, and re-seals better than other Caps on the market. This provides longer instrument up-time, fewer missed injections and more consistent data. Use for HPLC, GC, LCMS or GCMS. Click HERE for more information about Soft-Guard™ Septa Technology.
Trajan Scientific Headspace Magnetic Cap Crimp 5mm hole, 20mm Black Butyl, 100 Pack
L-MARK Brand Cap Crimp 20mm 3.0mm Black Butyl Magnetic With 5mm hole100 Pack