Chromatography Autosampler Vial Caps
Microsolv Technology Corporation Caps, Screw Top, Solid, with a Silicone Rubber / PTFE liner, in "knurled", polypropylene, Black Caps. For use with 13-425mm thread,15x45mm autosampler vials. 100/PK.
Turns 4ml, 15x45 autosampler vials into storage bottles. The Silicone Rubber / PTFE liner provides an inert surface with good sealing properties.
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. 1000/CS.
Natural Rubber does not contain siloxanes like Silicone Rubber. TFE is similar to PTFE when comparing inertness.
Trajan Scientific Cap Red Screw 9mm Septa Pre-slit PTFE/Silicone, 100 Pack
L-MARK Brand Cap Screw Red 9mm Pre-slit Bonded PTFE/Silicone QuikCap 100 Pack
Microsolv Technology Corporation Caps Hs Scrw Mag 45S Sil/Pt
Caps, Headspace, Screw Top, with White Silicone Rubber / Silver Foil Septa, fitted in Steel, Magnetic, Silver Caps with 8mm center holes. For use with 18mm Precision Thread Headspace Vials. MicroSolv Brand. 100/PK.
Microsolv Technology Corporation Caps, Screw Top, with ultra-clean Silicone Rubber / PTFE Septa, fitted in "knurled", polypropylene, Red Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK
Silicone Rubber in this Septa is ultra clean and bright White.
Ace Glass, Inc. 0-10 TEF-CAP PLUG (GB)
Replacement Tef-Cap plug for 0-10mm High Vacuum Easy Action Stopcocks.
Microsolv Technology Corporation Caps, Snap Top, with Soft-Guard, White Silicone Rubber / Red PTFE Septa, fitted in smooth, polyethylene, Black Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 100/PK.
Soft-Guard™ Septa provide easier penetration of autosampler needles and better resealing than other brands, for longer instrument up-time and fewer missed injections. This is our Snap Cap.
Trajan Scientific L-MARK Brand Cap Crimp 20 mm Headspace Tan PTFE/White Silicone, Case of 1000
L-MARK Brand Cap Crimp Aluminum 20mm Tan PTFE/White Silicone 3.2mm thick Standard Headspace 1000/case. Made in the USA.
Microsolv Technology Corporation Caps, Snap Top, with Soft-Guard, White Silicone Rubber / Red PTFE Pre-Slit (X Shape) Septa, fitted in smooth, polyethylene, Green Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 100/PK.
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 Septa, fitted in smooth, polyethylene, Red 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.
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.
Microsolv Technology Corporation Caps, Snap Top, with PTFE, ultra-pure, 2mil Septa, fitted in smooth, polyethylene, Blue Caps. For use with 11mm, 12x32mm, Snap Top autosampler vials. 100/PK.
This PTFE (only) Septa is for single injections or non-volatile samples as it will not reseal.
Microsolv Technology Corporation Caps, Screw Top, with White Silicone Rubber / Natural PTFE Septa, fitted in "knurled", polypropylene, Black Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 1000/CS.
This is our most economical, lowest cost Screw Cap for Autosampler Vials. Natural PTFE is as equally inert and durable as Red PTFE, but no dyes have been added.
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