The Wheaton W224220 Screw Thread Headspace Closure is a magnetic, 18mm screw thread closure for use with magnetic transport autosamplers. The closure fits 18mm screw thread headspace vials. It has a red polytetrafluoroethylene (PTFE) and white silicone septum that is chemically resistant and highly resealable. It is sold in a case of 100.
The 18mm Screw Headspace Vial and Capwith electromagnetic screw seals used for CTC is novel in the headspace vial market dominated by crimping necks. Especially for magnetic caps that are difficult to crimp, screw caps are a convenient choice. 18mm Screw Headspace Vial and Cap with aluminum skirt and magnetic center plate, it is easy to crimp and remove the cap. 18mm Headspace Vial and Cap is preferred for the following instruments: CTC PAL, Varian, Gerstel, Atas, Shimadzu, Aijiren.
Septum of sample vial cap is too thick • Use on Aijiren screw headspace magnetic caps (p/n 5188-2759; 18 mm) PTFE/silicone septa (top white, bottom blue) on Aijiren amber screw top headspace sampling vials (p/n 5188-6537; 20 mL) Septum in injection port is too thick or too tight • Loosen the nut slightly to allow for improved injection
6-20mL 20mm Crimp-Top Headspace ND20 10-20mL 18mm Screw Thread Headspace ND18 Hand Crimper, Decrimper 8-60mL EPA Storage Vials 8-12mL 15-425 Screw Neck Vial ND15 20-60mL 24-400 Screw Neck Storage Vial ND24
Headspace vial, screw top, rounded bottom (vial only) volume 20 mL, clear glass vial, thread for 18, O.D. × H 22.5 mm × 75.5 mm, pkg of 100 ea; find Supelco-SU860097 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich.
GC Vials ND18 headspace 20ml (Screw Vials) No risk of incorrectly sealed vials as is the case with crimping. More convenient to close and open, especially as magnetic crimp caps are very hard to crimp . Lower coring and protection for the needle due to thinner septa. Universal use for Headspace and SPME due to thinner septa
20ml screw cap open top GC 18mm headspace vials. US $7.00-$10.00 / Pack 10 Packs (Min. Order) 7 YRS
Wheaton W224218 Screw Thread Headspace Closure with White PTFE/Transparent Blue Silicone Septum for Headspace Vial, 18mm Closure Size (Case of 100): Science Lab Autosampler Vials: Amazon.com: Industrial & Scientific
Shimadzu now offer a complete range of Headspace Vial Kits for GC in both Crimp and Screw Top configurations. All vials are Type 1 borosilicate glass and the range is extensive enough to cover all major manufacturer’s instruments, including Shimadzu, Aijiren, PE, CTC and Tekmar headspace instruments.
Requires but does not include Bench Top Vial Crimper p/n N6621006. For use on GC Headspace Vials or LC Large Volume Vials. Crimp capping is still a preferred method by some laboratories to ensure sample integrity, particularly those containing volatile compounds.
20ml Amber round bottomed Headspace vials 23 x 75mm with 18mm thread (CTC, Perkin Elmer & Aijiren) (PK/1000) Rollover image for larger image Part No. VI-03-20-RA List Price 345.00
Buy 20ml headspace gc vials from Aijiren.Aijiren 20ml headspace vial is the leading supplier of 20ml headspace gc vials since 2009 from Chna.
18mm Screw top headspace vials, caps, septa. Our screw top headspace vials are a novelty in a crimp-neck dominated field. They provide a ready-to-use, convenient solution that does not require crimping or decrimping tools. Headspace vials, septum and caps can be purchased in various quantities separately or as convenience kits.
Vials, 2 mL, open-top screw cap, R.A.M. ™ (9 mm) convenience kit with closures with septa, unassembled, pkg of 100 11 Product Results
In order to achieve the desired performance with the headspace GC, be care to sample preparation and instrument settings. Headspace vial and lids are a very important and often overlooked element. To ensure preparation for the headspace analysis at the top of the space, make sure to use the correct headspace vial and lid.
Material: USP Type 1, Class A, 33 Borosilicate Glass
Application: Water analysis
Qty/Pack: 25pcs/pack or 100pcs/pack
Dimensions: 16 x 100mm
Neck Diameter: 16mm
Volume: 12ml
Payment: T/T
MOQ: 1 pack
Dimensions: 27.5 x 57mm/27.5 x 75mm/27.5 x 95mm/27.5mm x 140mm
Material: USP Type 1, Class A, 33 Borosilicate Glass
Application: Environmental analysis
Neck Diameter: 24mm
Qty/Pack: 100pcs/pack
Volume: 20-60ml
Payment: T/T
MOQ: 1 pack
Material: Nylon; Hydrophilic PVDF; Hydrophilic PTFE; Hydrophobic PTFE; PES; MCE; Hydrophilic PP; Cellulose Acetate(CA)
Qty/Pack: 100pcs/pack
Application: Filter
Payment: T/T
MOQ: 1 pack
