Chromatography Autosampler Vial Caps Only
Microsolv Technology Corporation Caps, Screw Top, with Soft-Guard, White Silicone Rubber / Red PTFE Pre-Slit Septa, bonded in "knurled", polypropylene, Purple Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 1000/CS
This is our Pre-Slit Screw Cap for autosampler vials. Pre-slit for easy penetration by autosampler needles. Recommended for Waters Alliance & Acquity instruments. Soft-Guard™ Septa are easier to penetrate by autosampler needles, and re-seals better than other Caps on the market. This provides longer instrument up-time, fewer missed injections and more consistent data. Use for HPLC, GC, LCMS or GCMS.
Microsolv Technology Corporation Caps, Snap Top, with 0.04" thick, White Silicone Rubber / Yellow PTFE Pre-Slit (Star Shape) Septa, fitted in smooth, polyethylene, Light Blue Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 100/PK.
Ultra-low Bleed Septa provide less extractables than most septa and is recommended for LCMS. The star shaped (*) slit offers a much greater target area for an autosampler needle to penetrate the septa and offers minimal resistance. It may not reseal as well as other Pre-Slit Septa.
Microsolv Technology Corporation Caps, Snap Top, with 0.04" thick, White Silicone Rubber / Natural PTFE Septa, fitted in smooth, polyethylene, Yellow 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 Septa, fitted in smooth, polyethylene, Green Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 1000/CS.
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 Septa, fitted in smooth, polyethylene, Natural TransparentCaps. 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 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, Crimp Top, with Red Rubber / PTFE Septa, fitted in aluminum, Blue Caps. For use with 11mm Crimp or Snap Top, 12x32mm autosampler vials. 100/PK.
The Rubber is softer than Natural Red Rubber and provides better sealing after injection. Great for GC.
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.
Trajan Scientific Cap Blue Screw 9mm Septa Pre-slit PTFE/Silicone, 100 Pack
L-MARK Brand Cap Screw Blue 9mm Pre-slit Bonded PTFE/Silicone QuikCap 100 Pack
Microsolv Technology Corporation Caps, Snap Top, with Soft-Guard, White Silicone Rubber / Red PTFE Pre-Slit (X Shape) Septa, fitted in smooth, polyethylene, Blue 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 1.0mm thick, Red Rubber / Beige PTFE Septa, fitted in smooth, soft polyethylene, Blue Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 100/PK.
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.
Microsolv Technology Corporation Caps, Snap Top, with Soft-Guard, White Silicone Rubber / Red PTFE Pre-Slit Septa, fitted in smooth, polyethylene Blue 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.
Microsolv Technology Corporation Caps, Snap Top, with Silicone Rubber / PTFE Pre-Slit Septa, fitted in smooth, polyethylene, Green 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 Silicone Rubber / PTFE Septa, fitted in "knurled", polypropylene, Black Caps. For use with 13-425mm thread, 15x45mm autosampler vials. 1000/CS.
Economical Cap with Septa for use in Older Waters instruments that accommodate 4ml autosampler vials.
Microsolv Technology Corporation Caps, Screw Top, with an Open Hole. "Knurled", polypropylene, Black Caps. Septa are sold separately and must be inserted manually. For use with 8-425mm thread, 12x32mm autosampler vials. 100/PK.
Caps, Screw Top, with an Open Hole. "Knurled", polypropylene, Black Caps. Septa are sold separately and must be inserted manually. For use with 8-425mm thread, 12x32mm autosampler vials. 100/PK.