Chromatography Autosampler Vial Caps Only
Microsolv Technology Corporation Caps, Snap Top, with Red PTFE / White Silicone Rubber / Red PTFE Septa, fitted in smooth, polyethylene, Green Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 1000/CS.
This septa was designed for specific, older instruments such as Agilent 1050 and to provide extra cleaning when "wiping" a needle. Also provides a small degree of better resealing after injection compared to Silicone Rubber / PTFE Septa. Ordering in case quantities is the most economical value.
Ace Glass, Inc. Seals, aluminum, 20mm, pressure release, PTFE/silicone liner cs/1000
Seals, aluminum, 20mm, pressure release, PTFE/silicone liner cs/1000
Microsolv Technology Corporation Caps, Screw Top, with Soft-Guard, White Silicone Rubber / Red PTFE Pre-Slit (Y Shape) Septa, fitted in "knurled", polypropylene, Blue Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK
Pre-slit for easy penetration by autosampler needles. Recommended for Waters Alliance & Acquity instruments. Y 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. 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, Snap Top, with Butyl Rubber / Tefzel Septa, fitted in smooth, soft polyethylene, Natural Transparent Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 1000/CS.
Soft polyethylene caps are more pliable than other Snap Caps and are easier to place on the vial. Popular choice when using a large number of caps at one time. These caps may not seal as well as other Snap Caps and should be used with sample solvents with low volatility. Butyl Rubber with Tefzel is a lower cost Septa but inert enough for most applications.
Microsolv Technology Corporation Caps, Snap Top, with Soft-Guard, White Silicone Rubber / Red PTFE Pre-Slit (X Shape) Septa, fitted in smooth, polyethylene, Yellow Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 1000/CS.
Soft-Guard™ Septa provide easier penetration of autosampler needles and better resealing than other brands, for longer instrument up-time and fewer missed injections. Pre-Slit Septa are normally recommended for Waters Alliance and Acquity instruments. 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.
Microsolv Technology Corporation Caps, Snap Top, with Soft-Guard, White Silicone Rubber / Red PTFE Pre-Slit (X Shape) Septa, fitted in smooth, polyethylene, Blue Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 1000/CS.
Soft-Guard™ Septa provide easier penetration of autosampler needles and better resealing than other brands, for longer instrument up-time and fewer missed injections. Pre-Slit Septa are normally recommended for Waters Alliance and Acquity instruments. 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. nofollow">HERE for smaller pack quantities.
Ace Glass, Inc. Seals, magnetic, 20mm, PTFE/molded butyl rubber liner, pk/100
Seals, magnetic, 20mm, PTFE/molded butyl rubber liner, pk/100
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 Crimp Seal, Silver, PTFE/Silicone/PTFE
Crimp Seal, Silver, PTFE/Silicone/PTFE. Crimp Seal Selection Guide:PTFE/Red Rubber -Medium durometer red rubber with a .015 layer of clear PTFE. Great and economical for routine analysis. Not recommended for multiple injections.PTFE/Silicone -Pure Silicone laminated with .005 of PTFE. Recommended when multiple injections are required. Resist coring and excellent resealing qualities.PTFE/Silicone/PTFE -Medium durometer silicone with .003 silicone laminated on both sides. Great for trace analysis work. Resist coring and good resealing characteristics. Use with auto samplers with blunt tip syringes.Viton -Recommended for chlorinated solvents. Excellent chemical resistance.Polypropylene -Not resealable. For one time use only. Easily penetrated by syringes and chemical resistant.
Chemglass Life Sciences Poly Crimp Seal, 11mm, Red Cap, Starburst Septum
Poly Crimp Seal, 11mm, Red Cap, Starburst 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, Snap Top, with Soft-Guard, White Silicone Rubber / Red PTFE Pre-Slit Septa, fitted in smooth, polyethylene Blue Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 1000/CS.
Soft-Guard™ Septa provide easier penetration of autosampler needles and better resealing than other brands, for longer instrument up-time and fewer missed injections. Pre-Slit Septa are normally recommended for Waters Alliance and Acquity instruments.
Ace Glass, Inc. 11MM GRADED SEALS 11MM GRADED SEALS
11mm quartz graded seals for connecting Pyrex or Kimax borosilicate glass to Quartz glass. Quartz length is 7.6cm, and borosilicate length is 10.2cm.
Microsolv Technology Corporation Caps, Snap Top, with 1.0mm thick, Red Rubber / Beige PTFE Septa, fitted in smooth, soft polyethylene, Natural Transparent Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 1000/CS.
Soft polyethylene caps are more pliable than other Snap Caps and are easier to place on the vial. Popular choice when using a large number of caps at one time. These caps may not seal as well as other Snap Caps and should be used with sample solvents with low volatility.
Analytical Sales & Services 11mm Clear Snap Caps with Starburst Silicone/PTFE Liners
Advantage 11mm Snap Cap, Starb