Hydrocarbon traps are basically used in GC for carrier gas purification, as the name suggests they are primarily used for trapping hydrocarbons. Some hydrocarbon traps, like the Supelpure HC Hydrocarbon Trap, contain a carbon molecular sieve that also restricts the elution of moisture and oxygen.…

For Gases and Low Molecular Weight Compounds (MW 30-225)

Tedlar is recommended in several US EPA methods for sampling VOCs and sulfur compounds. Our Tedlar is made from a high-quality 2 mil Tedlar film for superior inertness, impermeability, sample integrity and good recovery data. Our Push Lock Valve (PLV) and seam-sealing process ensure that these bags…

caps included. Synonyms: Wilmad nmr tubes; nmr sample tubes; nmr tubes Legal Information: Wilmad is a registered trademark of SP Industries

The vapor duct tube accessories are for Büchi condenser "V" assemblies, and will fit either Büchi Rotavapor model R-210/R-215 or R-114/R-144.Combi-clips: not included. Synonyms: Ace vapor duct tube, for condenser "V" assembly Legal Information: Büchi is a registered trademark of Büchi…

Quickly connect three pieces of fused silica tubing of the same or different diameters without the need for tools. The leak-free connection is useful to split a sample to two columns, or to split a column effluent to two detectors. Silanized for an inert inside surface. For use with 0.10 - 0.53 mm…

Spectrally matched Spectrosil® for UV quartz cells for quality control and research applications. Cuvette cells have a fused body with optically polished quartz windows. Fit all standard spectrophotometer cell holders. Legal Information: Starna is a trademark of Starna Cells Inc.

Hellma® fluorescence cuvettes, standard cells, Macro with PTFE stoppers (spectral range 200-2,500 nm, pathlength 10x10 mm, chamber volume 3,500 muL) are available in high-performance Suprasil quartz material. The highest level of sensitivity in the measurement can be achieved by suitably selecting…

Synonyms: cap tubes; nmr tubes; plastic end cap

Synonym: StableFlex™ 2CM SPME FIBER PK3,50/30UM DVB/CARBOXEN-PDMS Application Odor Compounds Footnote Coating bonded to a flexible fused silica core, yielding a more suitable coating on a less breakable fiber. There may be a slight difference in extraction selectivity…

Clear Fused-Quartz (CFQ), is a naturally occurring material. It has a high dielectric constant and low levels of paramagnetic impurities. This NMR tube is suitable for use in routine testing in EPR spectropscopy, excluding UV irradiation and samples with low sensitivity. Synonyms: Wilmad nmr…

Simplifies the task of inserting or removing wool or foam plugs when working with GC inlet liners, packed GC columns, solvent desorption tubes, thermal desorption tubes, and purge traps. The forked end is used to feed the plug into tubing, leaving it cleanly when the tool is removed. The hooked end…

A polycarbonate/acetal copolymer on-off control with female Luer-Lock inlet and male Luer-Lock outlet ports.

Wilmad NMR tubes with authentic Bruker® SampleJet(TM) caps without code, up to 600 MHz. Do not use with ceramic spinners. Synonyms: nmr sample tubes; nmr tubes Legal Information: SampleJet is a trademark of Bruker-Physik AG

with PTFE lid Legal Information: Suprasil is a registered trademark of HERAEUS QUARZGLAS GMBH & CO.

•Cryogenic storage tubes •Sterile •DNAse, RNAse, Pyrogen-Free •Temp range: -180C to 121C •Absolute gas-tightness guaranteed without the use of a silicone gasket •No more "gasket-popping" by over-tightening reduces contamination risk •External threading •Free-standing •Star-shaped bottom for…

stainless steel fittings, 1/4 in. Swagelok (nuts and ferrules included) Synonym(s): Supelco ® HELIUM GAS PURIFIER, 1/4IN FITTINGS

Hellma® absorption cuvettes, standard cells, Macro with glass lids (spectral range 200-2500 nm, pathlength 1 mm, chamber volume 350 muL) are available in high-performance Suprasil quartz material. The highest level of sensitivity in the measurement can be achieved by suitably selecting the cell for…

Economical UV-grade methacrylate disposable cuvettes. Select either grooved non-optical walls for better grip or four-sided clear walls. All cells have a 10 mm pathlength and are supplied without stoppers.

Characteristics: Ideal for connection to mass spectrometers. High reusability. Isothermal use only. Material Composition: Ceramic-filled PTFE Maximum Temperature: 250°C

Note: All 1/4 in. O.D. glass ends are ground glass.

Synonyms: cap tubes; nmr tubes; plastic end cap

Clear Fused-Quartz (CFQ), is a naturally occurring material. It has a high dielectric constant and low levels of paramagnetic impurities. This NMR tube is suitable for use in routine testing in EPR spectropscopy, excluding UV irradiation and samples with low sensitivity. Synonyms: Wilmad nmr…

General description Styrene/divinyl benzene co-polymer Retention Mechanism: Reversed-phase or Adsorption Sample Matrix Compatibility: Aqueous solutions Particle Size: 80-160 μm; Spherical Shape; Pore Size: 110- 175 Å; Surface Area: 900 m 2 /g …

Natural quartz NMR sample tubes are well suited for Boron NMR spectroscopy studies, or where sample exposure to U.V. radiation is required. Boron content is between 0.0 to 0.1 ppm. Synonyms: Wilmad nmr tubes; nmr sample tubes; nmr tubes Legal Information: Wilmad is a registered trademark of…

Legal Information: T3P is a registered trademark of Archimica GmbH

These plastic caps will easily slip over the ends of packed GC columns to protect them during storage. Application: Plastic column cup maybe used to close the immunoaffinity chromatography column used for separating cross-linked protein complexes adhering to P1 protein of Mycoplasma pneumonia.

Hydrocarbon traps are basically suitable in GC for carrier gas purification, as the name suggests they are primarily used for trapping hydrocarbons. Some hydrocarbon traps, like the Supelpure® HC Hydrocarbon Trap, contain a carbon molecular sieve that also restricts the elution of moisture and…

Fits most brands of electroporators. Use for bacterial transformations, eukaryotic transfections, and the electroporation of mammalian cells and yeast. Manufactured to tight tolerances for optimum performance. •Use the 0.1 cm gap width for bacteria (white cap) •Use the 0.2 cm gap size width for…

Deactivated (silanized) glass inlet liner for capillary injection ports. Fits Agilent (5890, 6890, and 7890) Fits Finnigan (9001GCQ) Fits Varian (CP-1177 Injector)

Synonym: Modified BTEX Trap L Legal Information BTEXTRAP is a trademark of Sigma-Aldrich Co. LLC Tekmar is a registered trademark of Tekmar Co.