Chromatography Autosampler Vial Caps Only
Microsolv Technology Corporation Caps, Screw Top, with Silicone Rubber / PTFE, ultra-pure, Pre-Slit Septa, fitted in knurled, polypropylene, Black Caps. For use with 9-425mm thread, 12x32mm autosampler vials. 100/PK.
When highest purity in a Septa is required. No color added to the rubber or PTFE (Teflon) for improved purity these caps offer virtually no extractables including colors that can contaminate sensitive analyses.Often chosen for LCMS, GCMS & LCMS/MS. Pre-slit for easy penetration by autosampler needles and recommended for Waters Alliance, Acquity™ and all other autosamplers that require Pre-Slit Septa.
Microsolv Technology Corporation Caps, Snap Top, with 0.04" thick, White Silicone Rubber / Natural PTFE Pre-Slit Septa, fitted in smooth, polyethylene, Natural Transparent Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. 100/PK.
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, Screw Top, Solid, with a Silicone Rubber / PTFE liner, in "knurled", polypropylene, White 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 PTFE / Silicone Rubber / PTFE Septa, fitted in "knurled", polypropylene, Black Caps. For use with 8-425mm thread, 12x32mm 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.
Thomson Instrument Company Green 11mm Snap Cap Pre-Slit Septa
Thomson Instrument Company’s Snap Caps used with Thomson’s vials which are universal and can be used on most autosamplers. Thomson manufactures its products in the USA to assure same day shipping.
Chemglass Life Sciences Glass Filled PTFE Locking Nut, 25.4mm
Glass Filled PTFE Locking Nut, 25.4mm. Grease-Free PTFE stirrer bearing designed for use in moderate vacuum applications. Bearing consists of a threaded glass adapter having a 45/50 inner joint, a saddle o-ring, a bushing with compression and locking nut, and a precision PTFE inner bearing. The saddle o-ring provides only glass and PTFE contact with the reaction, while allowing for the vacuum tight seal. Design of the bearing permits replacement of the saddle o-ring at a fraction of the cost of the entire bearing.
Trajan Scientific Headspace Cap Crimp 20mm, 8mm hole, PTFE/Clear Silicone, 3mm, 100 Pack
Cap, Crimp, Headspace, Magnetic With 8mm hole, 0.01 in. PTFE/Clear Silicone - 2.5mm, 100 Pack
Trajan Scientific Cap, Crimp, Aluminum Septa, 11mm, PTFE/Silicone, 100 Pack
Cap, Crimp, Aluminum Seal, 11mm, PTFE/Silicone, 100 Pack
Trajan Scientific Clear 2mL Vial LC/GC Crimp, 12x32mm, 100 Pack
L-MARK Brand Vial Standard 11mm Crimp 2mL 12x32mm 100 Pack
Trajan Scientific Red Screw Cap 9mm Septa PTFE/Silicone, 100 Pack
L-MARK Brand Cap Screw Red 9mm Bonded PTFE/Silicone QuikCap 100 Pack
Trajan Scientific Cap Crimp 11mm Aluminum Septa PTFE/Red Rubber, 100 Pack
Cap, Crimp, Aluminum Seal, 11mm, PTFE/Red Rubber, 100 Pack
Trajan Scientific L-MARK® Brand Clear Vial Standard 9mm Screw 2mL Marking Panel 12x32mm, 100 Pack
Vial, Screw, 12x32mm, Clear, W/ marking panel, 9mm QuikVial, 100 Pack