Chromatography Autosampler Vial Caps Only
Chemglass Life Sciences 20mm Aluminum Seals with PTFE/Silicone Septa
20mm Aluminum Seals with PTFE/Silicone Septa. The 20mm Silver Aluminum Seals are supplied with 0.125" thick Blue PTFE/White Silicone Septa installed.
Microsolv Technology Corporation Caps, Headspace, Screw Top, with Blue Silicone Rubber / Transparent PTFE Septa, fitted in Steel, Magnetic, Silver Caps with 8mm center holes. For use with 18mm Precision Thread Headspace Vials. 1000/CS.
Silicone Rubber / Ultraclean PTFE Septa has a durometer of 45⁰ Shore A (hardness) and is 1.3mm thick. Cap has ND18 Screw Threads. Recommended with CTC, Agilent, Perkin Elmer TurboMax 16, 40 & 110 and other autosamplers.
Microsolv Technology Corporation Caps, Screw Top, with Red PTFE / White Silicone Rubber / Red PTFE Septa, fitted in "knurled", polypropylene, Green Caps. For use with 9-425mm thread, 12x32mm 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.
Analytical Sales & Services 10mm Blue Standard Screw Caps with Silicone/PTFE Liners – Pre-Assembled
Preassembled 11mm BLUE Cap wit
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 Red Rubber / Mylar Septa, fitted in "knurled", polypropylene, Blue Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK.
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 Silicone Rubber / PTFE Pre-Slit Septa, fitted in "knurled", polypropylene, Black Caps. For use with 8-425mm thread, 12x32mm autosampler vials. 100/PK.
Wider hole for use with narrow mouth, 2ml vials. Wider hole provides a larger target area for the autosampler needle during injection.
Microsolv Technology Corporation Caps, Screw Top, with an Open Hole. "knurled", polypropylene, Blue Caps. Septa are sold separately and must be inserted manually. For use with 9-425mm thread, 12x32mm autosampler vials. 1,000/CS.
Caps, Screw Top, with an Open Hole. "knurled", polypropylene, Blue Caps. Septa are sold separately and must be inserted manually. For use with 9-425mm thread, 12x32mm autosampler vials. 1,000/CS.
Bellco Glass, Inc. Blu S/Cap W/PTFE/Sil Septa,9mm 9-425
Designed for standard screw thread vials. Available with or without septa. Easy on and easy off convenience with a twist of the cap that produces an evaporation proof seal. Larger opening provides a increased target area for needle penetration. MADE IN THE USA. Size: 9mm
Microsolv Technology Corporation Caps, Screw Top, with White Silicone Rubber / White PTFE Pre-Slit 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. Ultra-pure Silicone Rubber and "Cast" PTFE for excellent results in LCMS/MS compares to LCMS Certified brands.
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 Closure, Screw Thread, Open Hole, 24-400, Green
Closure, Screw Thread, Open Hole, 24-400, Green.