网页2022年8月1日 · Available in three sizes with the standard 0.125in thick, I-Chem blue, PTFE/Silicone septa in an open top 24-414 Polypropylene cap. The I-Chem molded-in septa retainer ring holds the septa securely in place without bonding to the cap, so septa can be removed and replaced as needed. 40mL, 200 series vials are available in a convenient,

网页Abstract. The study herein reports on the development and testing of sampling systems (and subsequent analytical setups) that were deployed on an unmanned aerial vehicle (UAV) for the purpose of analysing greenhouse gases (GHGs) and volatile organic compounds (VOCs) in the lower atmospheric boundary layer. Two sampling devices, both of which can be

网页Clear vials, blue screw caps, PTFE/red silicone septa 100/pk Clear vials with write-on spot, blue screw caps, PTFE/red silicone septa 100/pk Amber vials with write-on spot, green screw caps, PTFE/red silicone septa 100/pk 5182-0554

网页2020年8月4日 · Figure 3 - Typical mass chromatogram of volatile residue in hexane caused by PTFE/silicone septa: a) hexane extract of a piece of septum; b) vial septum was punctured once by a syringe to sample 1 μL hexane for GC

网页2020年4月23日 · Often bits of septa get stuck inside the transfer line needle. This is usually caused by puncturing the septa, with the strain relief nut tightened too much. This hardens the rubber, and the needle cores pieces away. Your GC and headspace should have the same supply pressure. Usually about 80 psi.

网页High quality, pure silicone is laminated to PTFE to give a pure, highly inert PTFE/Silicone septa are the preferred product for use in most HPLC and GC Vial Caps, Septa & Accessories - Seco.US 203 Product Headspace Crimp Seal, 20 mm, Natural, Aluminum, PTFE/ Silicone Se More...

网页Clear Glass 10ml Screw Top Headspace Vial 23 x 46mm, Round Bottom, Screw Top w/ 1.6 mm Butyl/ Red PTFE Septa. Part Number: 392620405-10. Vial Size: 10ml (23 Part Number: 392620405-10. Vial Size: 10ml (23

网页3 Septa selection guide General chromatography vials: Septa material In this section, the key attributes to the different septa available can be found. PTFE/natural red rubber

网页Headspace Crimp Vials, 20 mm - RestekVial Storage Rack for 6, 10, or 20 mL Headspace Vials, 36 Vial Capacity, Polypropylene, ea. 20 mm Magnetic Crimp Cap w/PTFE/Silicone

网页Items 1 - 40 of 59 Aluminum Crimp Seal (10mm Hole) with 20mm Natural PTFE/Blue Silicone Septa 3.0mm Thick for Headspace Vial, 20mm Closure Size, Case of 100 (

网页Aijiren headspace vials come in two basic sizes (10 mL headspace vials and 20 mL headspace vials). Both flat bottom and round bottom styles are available for use in a wide variety of headspace instrument platforms. Aijiren's headspace vial caps are engineered to prevent sample contamination while providing consistent, secure seals.

网页Products name 10-20mL 18mm Screw Thread Headspace ND18 Dimension 18mm Cap Color Silver Septa details White, Red, Blue, 1.3-1.6mm thickness. Material Aluminum for

网页I pre-slit chromatography vial septa with screw cap USA-Aijiren HPLC Vials Septa 2021 - 12 - 06 sample preparation headspace gas chromatography with PTFE septa glass gc

网页10ml 20ml Headspace Screw glass vials VA101/VA201+SA001+CA001 PART NO. DESCRIPTION PRICE USD SA001 blue PTFE/white silicone septa 17.5*1.5mm 7.26 CA001 silver color open-topped metal cap ,dia hole 8mm 8.08