Chromatography Autosampler Vial Caps Only
Trajan Scientific L-MARK Brand Cap Blue Bonded Screw 9 mm, Case of 1000
L-MARK Brand Screw Cap, PP, Blue, PTFE/Red Rubber, 9 mm, Bonded, 1000/case. Made in the USA.
Microsolv Technology Corporation Screwcap 4Ml Sil/Ptfe Bd Case
Caps, Screw Top, with Silicone Rubber / PTFE Septa, bonded in knurled, polypropylene, Black Caps. For use with 13-425mm thread, 15x45mm autosampler vials. MicroSolv Brand. 1000/CS.
Microsolv Technology Corporation Caps, Snap Top, with 0.04" thick, White Silicone Rubber / Natural PTFE Septa, fitted in smooth, polyethylene, Green Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 100/PK.
Natural PTFE is very pure and does not have dyes that could extract from it. Our most economical Silicone Rubber / PTFE Snap Cap.
Trajan Scientific Headspace Cap Crimp 3mm, 5mm hole, 20mm Blue Silicone/Nat PTFE, 100 Pack
L-MARK Brand Cap Crimp 20mm 3.0mm Blue Silicone/Nat PTFE Standard100 Pack
Microsolv Technology Corporation Caps, Snap Top, with 0.04" thick, White Silicone Rubber / Yellow PTFE Pre-Slit (Star Shape) Septa, fitted in smooth, polyethylene, Light Blue Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 100/PK.
Ultra-low Bleed Septa provide less extractables than most septa and is recommended for LCMS. The star shaped (*) slit offers a much greater target area for an autosampler needle to penetrate the septa and offers minimal resistance. It may not reseal as well as other Pre-Slit Septa.
Trajan Scientific Screw Cap Green 9mm Septa PTFE/Silicone, 100 Pack
L-MARK Brand Cap Screw Green 9mm Bonded PTFE/Silicone QuikCap 100 Pack
Microsolv Technology Corporation Caps Screw Top Preslit Septac
Caps, Screw Top, with Silicone Rubber / PTFE Pre-Slit Septa, bonded in knurled, polypropylene, White Caps. For use with 9-425mm thread, 12x32mm autosampler vials. MicroSolv Brand. 100/PK
Microsolv Technology Corporation Caps, Screw Top, with Soft-Guard, White Silicone Rubber / Red PTFE Septa, bonded in "knurled", polypropylene, Yellow Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK
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.
Chemglass Life Sciences Preassembled SMOOTH Closure and Septa, 9mm Thread, Green, PTFE/Red Rubber Septa
Preassembled SMOOTH Closure and Septa, 9mm Thread, Green, PTFE/Red Rubber 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 Poly Crimp Seal, 11mm, Red Cap, 10mil PTFE Septum
Poly Crimp Seal, 11mm, Red Cap, 10mil PTFE Septum. A crimp cap constructed of plastic that fits virtually any 11mm crimp sample vial. Use a standard crimping tool to securely crimp the Poly Crimp seal onto any crimp top vial. The Poly Crimp seal also permits an airtight seal by hand without crimping. Although the Poly Crimp seal can work with any crimp top vial, the tighter manufacturing tolerances and quality assurance program with the vials supplied by Chemglass certifies better performance when the cap is used with Chemglass supplied vials. Vials Compatible with Poly Crimp Seals: CV-1108-1232: Vial, 2.0mL, Clear, Snap Seal, 12 x 32mm, 11mm Crimp CV-1168-1232 : Vial, Standard Opening Crimp Top, Clear, 2.0mL, 12 x 32mm, 11mm Crimp CV-1185-1232 : Vial, Large Opening Crimp Top, Clear, 2.0mL, 12 x 32mm, 11mm Crimp CV-1200-1232 : Vial, Snap Ring, 2.0mL, Clear, 12 x 32mm, 11mm Crimp
Microsolv Technology Corporation Caps, Screw Top, with Soft-Guard, White Silicone Rubber / Red PTFE Pre-Slit (X Shape) Septa, fitted in "knurled", polypropylene, Green 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.
