Magnetic Screw Cap for Headspace Vials, 18 mm thread PTFE/silicone septum (white PTFE/tranparent blue silicone), septum thickness 1.3 mm, pkg of 100 ea; find Supelco-SU860101 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich.
20ml precision round bottom sample vials with 18mm magnetic precision screw aluminum cap Why do you need to add ascorbic acid in GC headspace vials? Quzhou Lab Technology Co., Ltd is a professional manufacturer of chromatography vials, caps and septa.
D22.5xH50 18mm Glass 20ml Clear Headspace GC Screw Vials 20ml headspace crimp top vial used for MS GC system for sale High … ” Professional service …
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
Glass vials are produced from Type 1 borosilicate glass tubing (clear glass from 33 expansion glass, amber glass from 51 expansion glass); while our polypropylene vials are manufactured from virgin resins to eliminate the possibility of sample contamination. Septa The PTFE/silicone septa are manufactured, conditioned and then tested by GC/MS to
of a screw cap vial with the integrity of a crimp vial, I-D™ vials have write-on patches graduated at 0.5, 1.0 and 1.5 ml. Also compatible with Perkin-Elmer, Shimadzu and Varian GC and LC autosamplers and Waters, Hitachi and Beckman LC autosamplers.
Jul 15, 2011 · The present study describes a gas chromatography/tandem mass spectrometry-negative ion chemical ionization assay (GC/MS/MS-NCI) for simultaneous analysis of Δ 9-tetrahydrocannabinol (THC) and 11-nor-9-carboxy-tetrahydrocannabinol (THCCOOH) in hair.
Autosampler Vials, Caps and Closures Thermo Scientific™ 20 mm Headspace Vials, Septum, and Caps Headspace vials are available in clear or amber glass with a round or flat base, a crimp seal with a beveled or square edge finish, or with a screw-thread finish.
Use certified clean, low particle, low background vials for your high sensitivity LC/MS and GC/MS applications. They are fully lot-tested for 15 critical parameters. Pricing & Availability
Dec 05, 2014 · After the 3 sequential DHS samplings using the same HS vial, the three traps are sequentially desorbed with thermal desorption in reverse order of the DHS sampling and the desorbed compounds are trapped and concentrated in a programmed temperature vaporizing (PTV) inlet and subsequently analyzed in a single GC-MS run.
100pcs 2ml Vial Clear Amber Glass Bottles 9-425 Screw Top Vials for Autosampler. HPLC Application Vial Sample Bottle 9-425, Amber/Clear W/ Write area 2ml, 100pcs. 100PCS 2ML AMBER SAMPLE VIALS+LIDS WITH WRITTING AREA SCREW TOP GLASS VIAL 8-425.
China Vial Racks for Glass Vials Blue PP 50 Holes 1PCS/Pack, Find details about China Vial Rack, Glass Vial from Vial Racks for Glass Vials Blue PP 50 Holes 1PCS/Pack – Zhejiang Aijiren Technology, Inc.
Browse a selection of Semivolatile GC Columns designed to meet and surpass EPA methods for semivolatile compound analysis with low bleed and inertness.
Magnetic Screw Cap for Headspace Vials, 18 mm thread PTFE/silicone septum (white PTFE/blue silicone), septum thickness 1.5 mm, pkg of 100 ea; find Supelco-SU860103 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich.
100x 2ml Autosampler Vials Flat Bottom Amber 9-425 Screw Top w/ Writing Area USD $17.82 0.6μm 20″X2.7″ Absolte PP Pleated Filter Cartridge 226/Fin Commercial Industrial
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