Chromatography Autosampler Vial Caps
Microsolv Technology Corporation Cap Screw Sil/Ptfe Smooth
Caps, Screw Top, with Silicone Rubber / PTFE Septa, fitted in smooth sided, Robo Style, soft polypropylene, Blue Caps. For use with 9-425mm thread, 12x32mm autosampler vials. BASIK Brand. 100/PK.
Microsolv Technology Corporation Caps, Screw Top, with Tan Silicone Rubber / White PTFE Septa, bonded in "knurled", polypropylene, Blue Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 1000/CS.
Ultra-pure Septa and is a good choice for LCMS, GCMS & LCMS/MS. This cap is also recommended for Waters Acquity™ autosamplers.
Microsolv Technology Corporation Caps, Snap Top, with 0.04" thick, White Silicone Rubber / Natural PTFE Septa, fitted in smooth, polyethylene, Yellow Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 1000/CS.
Natural PTFE is very pure and does not have dyes that could extract from it.Our most economical Silicone Rubber / PTFE Snap Cap.
Microsolv Technology Corporation Caps, Snap Top, with 0.04" thick, White Silicone Rubber / Natural PTFE Pre-Slit Septa, fitted in smooth, polyethylene, Light Blue Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 1000/CS.
Pre-Slit Septa are normally recommended for Waters Alliance and Acquity instruments.Natural Septa does not have any color pigment and will not introduce extractables.
Microsolv Technology Corporation Caps Screw Top Green Bondedca
Caps, Screw Top, with Silicone Rubber / PTFE, low durometer Septa, bonded in knurled, polypropylene, Green Caps. For use with 9-425mm thread, 12x32mm autosampler vials. MicroSolv Brand. 1000/CS.
Microsolv Technology Corporation Caps, Screw Top, with Natural Rubber / TFE Septa, fitted in "knurled", polypropylene, Blue Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK.
Natural Rubber does not contain siloxanes like Silicone Rubber. TFE is similar to PTFE when comparing inertness.
Trajan Scientific L-MARK Brand Cap, Crimp, Aluminum, Natural, PTFE/Silicone, 11mm, Case of 1000
L-MARK Brand Cap, Crimp, Aluminum, Natural, Red PTFE/White Silicone, 11mm, 0.040" thick, 1000/case. Made in the USA.
Microsolv Technology Corporation Caps, Crimp Top, with 0.05'' thick, Silicone Rubber / PTFE, ultra low bleed Septa, fitted in aluminum, Silver Caps. For use with 11mm Crimp or Snap Top, 12x32mm autosampler vials. 1000/CS.
Ultra low bleed Septa is a popular choice for GC and when siloxanes from silicone rubber may be a problem but you still want to use PTFE. Also used in HPLC when a Crimp Cap is required.
Chemglass Life Sciences Poly Crimp Seal, 11mm, Clear Cap, PTFE/Silicone Septum with Starburst
Poly Crimp Seal, 11mm, Clear Cap, PTFE/Silicone Septum with Starburst. 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, Solid, with a Red Butyl Rubber/ Grey PTFE liner, in "knurled", polypropylene, Black Caps. For use with 13-425mm thread,15x45mm autosampler vials. 100/PK.
Economical Cap turns 15x45mm, 4ml autosampler vials into storage bottles. Butyl Rubber / PTFE liner provides a good inert closure with adequate re-sealing properties.
Microsolv Technology Corporation Caps, Snap Top, with 0.04" thick, White Silicone Rubber / Natural PTFE Pre-Slit Septa, fitted in smooth, polyethylene, Red Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 100/PK.
Pre-Slit Septa are normally recommended for Waters Alliance and Acquity instruments.Natural Septa does not have any color pigment and will not introduce extractables.
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber / PTFE Pre-Slit Septa, fitted in smooth sided, Robo Style, soft polypropylene, Blue Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK.
Pre-slit for easy penetration by autosampler needles and to prevent "Septa Plunge" into vials.