Economical 10 or 100 mL These glass bubble flowmeters provide an economical way to monitor gas flow.

Made of high-quality stainless steel.

Made of high-quality stainless steel Meet or exceed original manufacturer's performance Siltek-treated version available for increased inertness

POLYGOPREP Irregular silica phases for liquid chromatography, modified for RP application Features Irregular silica for preparative application, pH stability 2–8 Available pore sizes 60, 100, 300 and 1000 Å Available mean particle sizes 12 µm, 20 µm, 30…

Kieselguhr adsorbents for column chromatography Features Naturally occurring amorphous silicic acids of fossil origin, also known as diatomaceous earth or diatomite; purified for chromatographic applications Compared to silica, kieselguhr has a small surface of low activity →…

High Efficiency 0.15 and 0.18 mm id columns are a simple and cost effective way to increase sample throughput with existing GC or GC/MS instruments.

On-column injections can be performed only with 0.53 mm ID columns because 26-gauge needles do not fit into the bore of 0.32 mm ID columns, or into the Unliner liner taper. Reduces solvent tailing Versatile—0.53 mm ID version can be used in the direct (DI) or on-column (OC) injection…

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.*…

Parker Balston’s NitroVap-1LV and NitroVap-2LV Nitrogen Generators can provide clean, ultra-dry nitrogen to sample evaporators. These systems offer high nitrogen output flows in a miniature cabinet. The user can activate the manual SLEEP economy mode to eliminate compressed air consumption…

Seats ferrule* onto column for consistent installations Prevents crushed column ends Made from high-quality stainless steel *For use with graphite ferrules only.

Agilent’s Ultra Inert liners were developed and are manufactured using a suite of tests specifically designed to ensure the highest level of liner inertness available. These Ultra Inert GC Inlet Liners are available in Split and Splitless, with and without wool. They are recommended for trace…

Cellulose adsorbents for column chromatography Features Cellulose MN 100: native fibrous cellulose Standard grade Average degree of polymerization 620–680 Fiber length (85 %) 20–100 μm Specific surface acc. to Blaine ~ 6500 cm2/g Residue on ignition < 10000…

Our most popular grade of tubing. Recommended for: Chromatography applications Gas delivery systems Lower pressures Inert applications Maximum temperature of 450°C in an inert atmosphere.

Oxidation-resistant, chrome-plated Use where you need to reduce the line pressure by 20 psig (138 kPa) or more Same purity protection as high-pressure cylinder regulators

The innovative design of Restek’s high power crimping tool features interchangeable jaws, so you only need one tool and can purchase crimpers and decappers in the sizes that meet your laboratory’s needs. The separate crimper and decapper jaw sets fit standard lab vial seals that are…

Specifically designed to cut 1/8" to 1-1/8" (4 mm to 28 mm) OD tubing. Easily cuts stainless steel, Monel alloy, and other hard-temper materials. Unique design makes clean, right-angle cuts and eliminates spiraling. Integral reamer folds away for safety and convenience. …

High-quality 1/4" x 5/16", 3/8" x 7/16", 7/16" x 1/2", and 1/2" x 9/16" wrenches for tightening a wide variety of chromatography fittings.

Our patented dual Vespel ring inlet seal greatly improves injection port performance—it stays sealed, even after repeated temperature cycles, without retightening the reducing nut! This seal features two soft Vespel rings, one embedded in its top surface and the other embedded in its bottom…

Turn compressed air into ultra-pure nitrogen (up to 99.5%). Flows from 1 to 44 L/min. Models N2-04, N2-14, N2-22, and N2-35 require no electricity. Safe, reliable, low maintenance. Maintenance kits include replacement filters. 12-month warranty from date of purchase.

H2PEM Models Parker Balston’s fuel gas hydrogen generators utilize proton exchange membrane, which eliminates the use of liquid electrolytes with hydrogen generators. Proven in over 40,000 GC installations worldwide. Parker Balston’s generators are the most reliable hydrogen…

Indicator changes from light green to grey as oxygen is trapped Heavy-walled glass body, protected by polycarbonate sleeve, prevents oxygen and water infusion Prepurged for fast stabilization 100 psi (689 kPa) maximum operating pressure Reduces oxygen to 0.1 ppm 10 µm frits at…

Tapered for high recovery of contents Work with Mininert sampling valves

Polypropylene gas sampling bulbs have polypropylene stopcocks with free-turning Teflon® PTFE plugs. Ends accept 6.4 to 9.5mm (1/4 to 3/8") I.D. tubing Tube body is 5.1cm (2") O.D. x 22.2cm (8-3/4") long Stopcocks are 6.4cm (2-1/2") long Maximum recommended…

Use with Vacuum Vu-Union connectors 60% Vespel/40% graphite 400°C maximum operating temperature

Three-way valves made of solid PTFE with hose nozzles. Resistant to chemicals. Very easy connection thanks to its excellent antifriction properties. Blue handles made of PP. Resistant to compression max. 1 bar Vacuum suitable up to 10 -1 mmHg Autoclavable

Upper temperature limit 250°C 100% PTFE; completely inert One-piece design requires no back ferrule

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.