Recommended for most mass spectrometers. Ease at cold start. Low vapor pressure 10 -7 torr. Nontoxic and noncorrosive. Compatible with buna-N, neoprene, and Viton seals. Optimum vacuum pump performance. Lowest mass spectrometer background. Recommended for optimum mass spec performance.

Graphite Ferrules Preconditioned to eliminate outgassing. High-purity, high-density graphite. Smoother surface and cleaner edges than conventional graphite ferrules. Contain no binders that can off-gas or adsorb analytes. Stable to 450°C. Vespel/Graphite Ferrules …

Securely holds up to 36 headspace vials (fits 6, 10, or 20 mL vials). Vials lock in rack for convenient one-handed cap removal. Openings in the bottom of each well facilitate drainage. Alphanumeric indexing on rack simplifies sample identification. Easy to clean and fully autoclavable.*…

Includes the most common consumable GC supplies and tools. All parts meet or exceed performance of instrument manufacturer’s parts. Parts list makes reordering easy. Inlet kit includes: 0.4, 0.5, and 0.8 mm ID graphite ferrules Viton O-rings Capillary nuts Inlet…

Needle guide allows easy penetration and prevents septum coring Manual injection septum nut allows use of 26-gauge needles for on-column injections Made of high-quality stainless steel

The Bellco sample system attaches to GL45 nozzle allowing the user to take repeated samples into a standard 50mL disposable centrifuge tube. The sampler is designed to connect to an existing pipe by mounting under the open cap. Samples are taken by evacuating air with the supplied syringe and…

Specifically designed for purification of helium in GC-MS systems Traps are packed and conditioned using helium Uses standard single-position base plate

Defined fit: ID-specific ends for better sealability. Color-coded for easy identification. Deactivated borosilicate glass. Connect a guard column to an analytical column. Repair a broken column. Connect a column outlet to a transfer line.

Securely connects a Press-Tight connector to a fused silica column.

The pressure relief valve is a cartridge check valve incorporating an innovative guided poppet design. This valve is the heart of the system and may be used alone or as a central component of the system. The valve has low pressure drop These valves are used to prevent flow of fluid (gas or liquid)…

Reduces the release of hazardous materials from the capillary split vent into the lab Includes connecting lines and mounting kit

Seals Multiple Vessels Effectively Wide Range of Vessel Sizes Provides Syringe Access to all Vessels Works at Boiling Point Glove Box and Automation Friendly Uses Existing Hot Plate Stirrers   Works with Aggressive Solvents The OPTIBLOCK is a simple, easy to use tool for…

Formulated from crude oil stocks known for their durability and line-lubricating qualities Use in Agilent 5973/5972/5971 and GCD mass spec systems, or in other manufacturers’ MSD systems that require rough pump oil Under average use, the oil in the foreline rough pump should be replaced…

Valco fittings have been designed for the specific demands of instrumentation and manufactured with the tight tolerances and premium quality that analysts require.

Fit split (6.3 mm OD) or splitless (6.5 mm OD) liners.

Verify GC oven temperature Quick measurements via sensor in the measuring tip Swivel head can turn 180° Wide measuring range: -50°C to +350°C.

High-purity automatic switchover systems provide a continuous supply of high-purity gas to the laboratory, process, or instrument to allow you to replace a depleted gas source without interruption in the gas supply. Continuous gas supply is achieved by setting the two regulators at slightly…

Valco fittings have been designed for the specific demands of instrumentation and manufactured with the tight tolerances and premium quality that analysts require. Ends of tubing seat squarely at bottoms of fitting details. Made of 300-series stainless steel. For use with 1/16" OD tubing.…

See transmission curve labelled D Synonyms: cuvette; spectrophotometer cuvette; spectrophtometry uv

Ideal for all cell culture applications, insect, plant and bacterial. Reduced height vessels maximize incubator space. Specifications: 100mm Neck For Cap Assembly And Overhead Drive 45mm Vertical Sidearm Accept Port And Thermowell Assemblies Or Probes Supplied With 100mm Center Cap,…

The tapered tools in this kit have teeth designed to grip and remove fused silica adaptor ferrules that have become stuck in the fitting detail. Each kit has two tools: one for removing 1/32-inch adaptor ferrules and one for removing 1/16-inch adaptor ferrules.

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.…

Includes: Capillary installation gauge for Agilent GCs Inlet wrench for Agilent GCs Septum nut removal tool 1/8", 3/16", and 1/4" nylon brushes 1/4", 3/8", and 3/16" stainless steel wire tube brushes Stainless steel surface brush 6 stainless…

These electronic crimpers and decappers have a rechargeable 6.4-volt battery installed. The large battery allows for quick, powerful operation and a faster charge cycle, minimizing downtime. Charging the battery takes thirty minutes to two hours. The universal plug set includes U.S., European, UK,…

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…

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…

UHP stainless steel regulators are the standard for ultra-high-purity and corrosion-resistant pressure regulation. They are more easily purged of atmospheric components compared to brass gas regulators, making them ideal for the most demanding applications. Stainless steel is especially useful in…

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.

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…

Ensure even and consistent column heating when the insulation becomes damaged or worn Replacement Insulation Gasket and Hardware Kit includes the insulation gasket, 2 screws and 2 nuts Meets or exceeds original manufacturer's performance Insulation is replaceable, using Restek's…

Capillary GC inlet systems have backpressure regulators to maintain a constant upstream pressure and rapidly respond to catastrophic leaks. The 0–60 psig (0-414 kPa) operating range is sufficient to operate a 105 m, 0.25 mm ID column at its optimum flow rate.