Chromatography Autosampler Vial Caps Only
Trajan Scientific L-MARK Brand Cap, Screw, Green, Pre-slit PTFE/silicone, Bonded, 9mm, 100 Pack
L-MARK Brand, Cap, Screw, Polypropylene, Green, Pre-slit Red PTFE/White Silicone, Bonded, 9 mm, 100 Pack. Made in the USA.
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber / PTFE Septa, fitted in smooth sided, Robo Style, soft polypropylene, Yellow Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK.
Caps, Screw Top, with Silicone Rubber / PTFE Septa, fitted in smooth sided, Robo Style, soft polypropylene, Yellow Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK.
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber / PTFE, low durometer Septa, fitted in "knurled", polypropylene, Blue Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK.
Caps, Screw Top, with Silicone Rubber / PTFE, low durometer Septa, fitted in "knurled", polypropylene, Blue Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK.
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber / PTFE, low durometer Septa, bonded in "knurled", polypropylene, Yellow Caps. For use with 9-425 thread, 12x32mm autosampler vials. 100/PK.
Low durometer makes the Septa easier to penetrate by the autosampler needles.
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber / PTFE Pre-Slit Septa, bonded in "knurled", polypropylene, Black Caps. For use with 13-425mm thread, 15x45mm autosampler vials. 1000/CS.
Pre-slit for easy penetration by autosampler needles. Recommended for older Waters instruments. Use with 15x45mm, 4ml vials.
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber / PTFE Pre-Slit Septa, bonded in "knurled", polypropylene, Black Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 1000/CS
Septa bonded to cap for increased performance of penetration and to prevent "Septa Plunge" into vials during injection. Designed for Waters Alliance & Acquity instruments.
Microsolv Technology Corporation Caps, Snap Top, with 1.00mm thick, Red PTFE / White Silicone Rubber / Red PTFE Septa, fitted in smooth, soft polyethylene, Natural Translucent 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. 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.
Microsolv Technology Corporation Caps, Screw Top, with White Silicone Rubber / Red PTFE Septa / Liner, fitted in knurled polypropylene, Black Caps. For use with ND15 thread, storage Vials or Bottles. 1000/CS.
Silicone Rubber / PTFE Septa is 45⁰ Shore A (hardness) and is 1.3mm thick. Use as septa or a liner. Cap has a 9mm center hole. Can be used for use in Non-Critical Analytical Testing and is intended for storage. Use with Vials or Bottles with 15-400mm screw threads.
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber / PTFE Partial Pre-Slit (Y Shape) Septa, fitted in "knurled" polypropylene, Translucent Caps. For use with 9-425 thread, 12x32mm autosampler vials. Excellent for GC and GCMS. 100/PK.
Partial slit, only in the rubber leaves PTFE to form an evaporation barrier making this a good choice for volatile samples when an autosampler requires a pre-slit Septa.Y shaped partial slit allows for better "resealing" of rubber after initial injection.
Chemglass Life Sciences Certified Bonded Closure, 9mm, Black, Natural PTFE/Off-White Silicone Pre-Slit Ultra Low Bleed Septa, for LC/MS and GC/MS
Certified Bonded Closure, 9mm, Black, Natural PTFE/Off-White Silicone Pre-Slit Ultra Low Bleed Septa, for LC/MS and GC/MS. Certified Bonded closures feature clear PTFE/Silicone bonded directly to the closure without the use of glue or adhesives. These bonded closures provide a cost effective, integrated, one-piece system that eliminates costly line fallout.
Chemglass Life Sciences Closure Only, GPI 13-425, Green, Open Hole, Polypropylene
Closure Only, GPI 13-425, Green, Open Hole, Polypropylene. designed for use with Shimadzu, Spectra-Physics, Varian and other autosamplers. The Top Seal closure with a 0.010 molded septa allows for easy needle penetration and is inert to most solvents. The one-piece design saves time by eliminating liners in the closures.
Chemglass Life Sciences Cap, Open Hole, Black Polypropylene, GPI 18-400 with Gray PTFE/Silicone
Cap, Open Hole, Black Polypropylene, GPI 18-400 with Gray PTFE/Silicone. Designed for use with Shimadzu, Spectra-Physics, Varian and other autosamplers. The Top Seal closure with a 0.010 molded septa allows for easy needle penetration and is inert to most solvents. The one-piece design saves time by eliminating liners in the closures.
Chemglass Life Sciences Certified Bonded Closure, 9mm, Blue, Natural PTFE/Off-White Silicone Ultra Low Bleed Septa, for LC/MS and GC/MS
Certified Bonded Closure, 9mm, Blue, Natural PTFE/Off-White Silicone Ultra Low Bleed Septa, for LC/MS and GC/MS. Certified Bonded closures feature clear PTFE/Silicone bonded directly to the closure without the use of glue or adhesives. These bonded closures provide a cost effective, integrated, one-piece system that eliminates costly line fallout.
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.