Chromatography Autosampler Vial Caps
Gerstel REPL CAPS AND SEPTA MPS PK/10
Replacement caps and septa for MPS 10/100 mL wash station, Package of 10.
Ops Diagnostics 4ML LINED SCREW CAP 240/BAG
4 ml Lined Polypropylene Screw Caps (15-425) Bag of 240.
Analytical Sales & Services 9mm Screw Cap with Pre-Slit MSQ PTFE/Silicone Liner
9mm Screw Cap with Pre-Slit MSQ PTFE/Silicone Liner
Trajan Scientific L-MARK Brand Cap Screw Black 8-425 Screw-Thread, PTFE/Silicone, Case of 1000
L-MARK Brand Screw Cap, PP, Black, Red PTFE/White Silicone, 8-425 Chromatography, 1000/case. Made in the USA.
Microsolv Technology Corporation Freezer Storage Caps For Vials
Caps, Screw Top, Solid, with an ultra-pure, Silicone Rubber / PTFE liner, in a closed Black Cap. For use with 9-425mm thread,12x32mm autosampler vials. AQR Brand 100/PK.
Microsolv Technology Corporation Caps, Snap Top, with 0.04" thick, White Silicone Rubber / Natural PTFE Septa, fitted in smooth, polyethylene, Red 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 0.04" thick, White Silicone Rubber / Natural PTFE Pre-Slit Septa, fitted in smooth, polyethylene, Yellow Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 1000/CS.
Pre-Slit Septa are normally recommended for Waters Alliance and Acquity instruments.Natural Septa does not have any color pigment and will not introduce extractables.
Microsolv Technology Corporation Caps, Snap Top, with Silicone Rubber / PTFE Pre-Slit Septa, fitted in smooth, polyethylene, Blue 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, Snap Top, with Red Rubber / PTFE Septa, fitted in smooth, polyethylene, Red Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 100/PK.
Red Rubber / PTFE is often the choice of labs that do not want to analyze with silicone rubber in the Septa and want a lower cost cap.
Chemglass Life Sciences Closure Only, GPI 22-400, Black, Open Hole, PP
Closure Only, GPI 22-400, Black, Open Hole, PP.
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber / PTFE, low durometer Septa, bonded in "knurled", polypropylene, Red Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 1000/CS.
The Septa is bonded to the cap for increased performance of penetration that prevents "septa plunge" and prevents them from falling out or dislodging in the cap during transportation.Very popular and useful for HPLC or GC; save money compared to "Certified" brands.
Microsolv Technology Corporation Caps, Snap Top, with Silicone Rubber / PTFE Septa, fitted in smooth, polyethylene, Black Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 1000/CS.
This cap is our original Snap Cap and has been on the market for 30 years.