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.…

Precision Wilmad NMR tubes are suitable for high field NMR spectroscopy. NMR tube has an open-top, screw-thread cap with a PTFE/silicone septum that permits addition of reactants or samples via syringe through the cap. Also good for sample storage. Caps and septa are replaceable.Excellent for…

The Norell Standard Series NMR tubes are redesigned to eliminate tube wall and bottom variations. This improves shimming times and sample reproducibility.Manufactured out of ASTM Type 1 Class B glass, or commonly referred to as N-51A, these NMR tubes are designed for auto-sampling systems and…

Characteristics: Seals at 1/4 turn past fingertight. High reusability. Won't stick to metal or glass.Material Composition: DuPont VESPEL SP-21 (85% polyimide, 15% graphite)Maximum Temperature: 400 C Legal Information: Supeltex is a registered trademark of Sigma-Aldrich Co. LLC

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.

with PTFE lid Legal Information: Hellma is a registered trademark of Hellma GmbH

Tubes have round bottoms and include a sandblasted marking spot for labeling samples. Tubes that are 9 in. L are for making standards and for use with tip-off manifolds. Economy and disposable Wilmad NMR tubes are best used for high-throughput NMR spectroscopy. (All economy tubes come with caps) …

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

Nylon stopcock features 3-way control with female Luer-Lock inlet and male Luer-Lock outlet ports.

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

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…

Hellma® absorption cuvettes, standard cells, Macro with PTFE stoppers (spectral range 200-2,500 nm, pathlength 10 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 the…

These high-purity, single-stage, single-gauge regulators have a 316 SS diaphragm for accurate, stable pressure control of Aldrich liquefied gases. Delivery pressure: 1-50 psi, 1/4 in. NPTF inlet, hose barb outlet. Legal Information: Aldrich is a registered trademark of Sigma-Aldrich Co. LLC …

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…

Manufactured out of ASTM Type 1 Class A glass, Norell Select Series NMR tubes are specifically designed for high-resolution NMR spectroscopy. The Select Series provides reliable performance for spinning or non-spinning techniques, structure determination of small molecules, or determining the 3-D…

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

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

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

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…

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

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

These low cost gray silicone rubber septa are designed for routine, isothermal use. For use with 50 C to 200 C inlet temperature.

Application: Volatiles

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

Synonyms: cap tubes; nmr tubes; plastic end cap

Application: Volatiles

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…

Extended tip NMR pipettes for retrieving and adding sample in the NMR tube.

with PTFE stopper, black side walls and base Legal Information: Suprasil is a registered trademark of HERAEUS QUARZGLAS GMBH & CO.

•Superior clarity for sample viewing •A consistent, ring-lock seal prevents inadvertent opening •Angled cap lid makes opening easy without thumb fatigue •Large flat tops for ease of identification and a pierceable cap •Large, crisp reference lines and graduation numbers •Certified RNase/DNase…

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…