Chromatography Autosampler Vial Caps Only
Microsolv Technology Corporation Caps, Snap Top, with Red Rubber / PTFE Septa, fitted in smooth, polyethylene, Blue Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 1000/CS.
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.
Microsolv Technology Corporation Caps, Headspace, Crimp Top, with White Silicone Rubber / Blue PTFE High Purity Septa, fitted in Steel, Magnetic, Gold Caps with 5mm center holes. For use with 20mm Crimp Top Headspace Vials. 100/PK.
Silicone Rubber / PTFE with Durometer of 55 Shore A, (hardness) and 4.5mm thick. Wide temperature range from -60⁰ to 200⁰C. Recommended for CTC™ and other autosamplers.
Microsolv Technology Corporation Caps, Headspace, Crimp Top, with White Silicone Rubber / Blue PTFE SPME Style Septa, fitted in Bimetallic, Magnetic, Blue Caps with 8mm center holes. For use with 20mm Crimp Top Headspace Vials. 100/PK.
Special Shape Septa with thick rubber outer ring (3mm) and thinned rubber center (1.5mm) provides a good seal with most 20mm crimp top Headspace vials. The target area on this Septa is easer for SPME needles to penetrate, minimizing broken or damaged needles. Recommended with CTC Pal and other autosamplers with SPME or Solid Phase Micro-Extraction injectors. Bimetallic Caps have a magnetic center and an aluminum outer ring that makes crimping them easier than all steel caps.
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.
Microsolv Technology Corporation Caps, Snap Top, with Red Rubber / PTFE Septa, fitted in smooth, polyethylene, Yellow 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.
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. 1000/CS.
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.
Microsolv Technology Corporation Caps, Crimp Top, with PTFE Septa, fitted in aluminum, Sliver Caps. For use with 11mm Crimp or Snap Top, 12x32mm autosampler vials. 1000/CS.
This PTFE (only) Septa is for single injections or non-volatile samples as it will not reseal. Buying in case quantities can save money and time.
Microsolv Technology Corporation Caps, Screw Top, with PTFE / Silicone Rubber / PTFE Septa, fitted in "knurled", polypropylene, Black Caps. For use with 13-425mm thread, 15x45mm autosampler vials. 100/PK.
Use with 15x45, 4ml autosampler vials. Used with older Waters and Shimadzu autosamplers. Designed 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 Orange Red Rubber / PTFE Septa, bonded in "knurled", polypropylene, Green Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 1000/CS.
Orange-Red Silicone Rubber is more economical White Silicone Rubber and softer than Natural Red Rubber which is better for your autosamplers, minimizing damaging needles and injections systems.
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber / PTFE Pre-Slit Septa, fitted in smooth sided, Robo Style, soft polypropylene, Yellow Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 1000/CS.
Pre-slit for easy penetration by autosampler needles and to prevent "Septa Plunge" into vials.
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber / PTFE Pre-Slit Septa, fitted in smooth sided, Robo Style, soft polypropylene, Yellow Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK.
Pre-slit for easy penetration by autosampler needles and to prevent "Septa Plunge" into vials.
Microsolv Technology Corporation Caps, Headspace, Crimp Top, with White Silicone Rubber / Blue PTFE SPME Style Septa, fitted in Steel, Magnetic, Gold Caps with 8mm center holes. For use with 20mm Crimp Top Headspace Vials. 100/PK.
Special Shape Septa with thick rubber outer ring (3mm) and thinned rubber center (1.5mm) provides a good seal with most 20mm crimp top Headspace vials. The target area on this Septa is easer for SPME needles to penetrate, minimizing broken or damaged needles. Recommended with CTC Pal and other autosamplers with SPME or Solid Phase Micro-Extraction injectors.
Trajan Scientific La-Pha-Pack (A Thermo Brand), Cap Screw 18mm 1.5mm White Silicone/Blue PTFE Magnetic, 100 Pack
La-Pha-Pack (A Thermo Brand), Cap Screw 18mm 1.5mm White Silicone/Blue PTFE Magnetic 100 Pack
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 Septa, fitted in smooth, polyethylene, Natural Transparent 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.