Chromatography Autosampler Vial Caps
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.
Chemglass Life Sciences Chem Snap Cap, 8mm, Clear with Molded Septum
Chem Snap Cap, 8mm, Clear with Molded Septum.
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 Soft-Guard, White Silicone Rubber / Red PTFE Pre-Slit 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.
Perkin Elmer US LLC PTFE Screw Cap for 50 mL Digestion Tube
PTFE Screw Cap for PTFE 50 mL Digestion Tube, Qty. 6.
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.
Trajan Scientific L-MARK Brand Cap Screw Green 9mm PTFE/Sil Bonded, Case of 1000
L-MARK Brand Screw Cap, PP, Green, Red PTFE/White Silicone, 9 mm, Bonded, 1000/case. Made in the USA.
Agilent Technologies CAP, SNAP, BLUE, 100/PK
Cap, snap, blue, clear PTFE/red silicone septa, 100/pk. Cap size: 11 mm.
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.
Microsolv Technology Corporation Caps, Snap Top, with Silicone Rubber / PTFE Pre-Slit Septa, fitted in smooth, polyethylene, Red Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 100/PK.
This is one of the snap caps on the market and has been available for over 25 years. Pre-Slit septa are normally recommended for Waters Alliance instruments.
Microsolv Technology Corporation Caps, Screw Top, with Beige Silicone Rubber / White PTFE ultra-pure Septa, fitted in "knurled", polypropylene, Blue Caps with 6mm holes. For use with 9-425 thread, 12x32mm autosampler vials. 100/PK.
Larger, 6mm hole in the cap provides a larger target area for autosamplers that might have difficulty and may strike the cap edge of smaller hole caps, during injection.
Microsolv Technology Corporation Caps, Screw Top, with PTFE Septa, fitted in "knurled", polypropylene, Translucent Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK.
Rubber-free Cap is useful when rubber cannot be used with your analysis. This PTFE (only) Septa is for single injections or non-volatile samples as it will not reseal
Trajan Scientific L-MARK Brand Cap Snap Natural 11 mm Pre-slit, Case of 1000
L-MARK Brand Snap Cap, PE, Natural, 11 mm, Pre-slit Red PTFE/Silicone, Chromatography, 1000/case. Made in the USA.