Restek

Hub-Cap bottle tops are a great way to neatly keep your mobile phase lines where they belong. Use them instead of plastic paraffin film, aluminum foil, or tape on your mobile phase reservoirs.

Supports ASTM Methods D2887, D6352, D7169, D7398, and D7500. These high molecular weight hydrocarbon waxes are useful for simulated distillation and other high-temperature GC work.

This specially designed wrench enables easy opening of cylinder valves that are fitted with a hand wheel. It is also suitable for removing difficult cylinder caps.

Conc. in Solvent and Volume: 1,000 μg/mL each in methylene chloride, 1 mL/ampul

Ultra HPLC Columns The Ultra line represents Restek’s broadest selection of stationary phases on a single silica support. Made of high-purity, type-B silica that minimizes activity and creates high-density bonding, these columns are designed for selective and reliable HPLC applications. Since...

Withstands thousands of injections Eliminates septum coring and crumbling Reliable performance during extended runs O-ring detail seals needle during injection Duckbill seals more tightly at higher pressures Low insertion force for easy manual injections Reduced septum bleed and ghost peaks Note:...

High-quality vacuum gauges with 316 stainless steel wetted surfaces. –30" Hg to 0" Hg. Recommended for use with passive sampling kits. All are rear mount.

For start-up and maintenance in all HPLC systems. The PEEK Survival Kit is an invaluable parts kit that contains tubing, fittings, and tools essential for setting up and maintaining your HPLC system: PEEK tubing, connectors, and elbows, PTFE tubing, a tubing cutter and extra blades, a ValvTool...

Conc. in Solvent and Volume: 2,000 µg/mL each in methylene chloride, 1 mL/ampul Compounds Acenaphthene-d10 (15067-26-2) Chrysene-d12 (1719-03-5) 1,4-Dichlorobenzene-d4 (3855-82-1) Naphthalene-d8 (1146-65-2) Perylene-d12 (1520-96-3) Phenanthrene-d10 (1517-22-2)

Streamline your laboratory workflows with the PerformancePLUS Check Valve Cartridge, specifically designed for Waters HPLC Systems. This high-quality, durable part ensures accurate fluid control, effectively preventing any backflow and maintaining optimal pressure within your system. By providing...

Features & Benefits Used to passivate your LC system before your first analysis if you: Are analyzing phosphorylated compounds or other polar molecules known to chelate or interact with metal ions in your LC (e.g., glyphosate) Have stainless steel in your instrument flow path Your LC column...

The Needle Seat by Restek is designed specifically for high-pressure HPLC systems, providing a secure connection with minimal leakage. With an internal diameter of 0.12 mm and an outer diameter of 0.8 mm, this PEEK needle seat is built to withstand pressures up to 600 bar. It serves as a reliable...

proprietary Crossbond phase These columns separate to baseline all blood alcohol compounds in blood, breath, or urine, in less than 3 minutes, under isothermal conditions. Isothermal analysis increases productivity by eliminating the need for oven cycling. Confirmation is easily achieved with this...

polar phase; Crossbond base-deactivated Carbowax polyethylene glycol—for amines and basic compounds Stabilwax-DB columns reduce adsorption and improve responses for many basic compounds, without analyte derivatization or column priming. For different selectivity of basic compounds, or higher...

Hand-tight fitting style achieves effortless HPLC seals—no tools needed for a 8,700+ psi seal Both hand-tight and hex-head styles wrench-tighten for reliable UHPLC use up to 20,000+ psi! Patented ferrule can be installed repeatedly without compromising high-pressure seal Hybrid design combines...

Compound List Aminomethyl phosphonic acid (AMPA) (1066-51-9)

3.3x faster multiresidue pesticides analysis in foods with 76% less helium consumption. Factory-coupled, leak-free kit makes setup as simple as a column change. Ideal for speeding up GC-MS and GC-MS/MS methods. Restek’s low-pressure GC column kits have been specifically designed to easily...

Hand-tight fitting style achieves effortless HPLC seals—no tools needed for a 8,700+ psi seal Both hand-tight and hex-head styles wrench-tighten for reliable UHPLC use up to 20,000+ psi! Patented ferrule can be installed repeatedly without compromising high-pressure seal Hybrid design combines...

Appropriate for a wide range of retention index systems. Certified reference material (CRM) verified to be stable and accurate. Qualitatively analyzed to confirm composition; certificate available for each CRM lot. Compound List n-Heptane (C7) (142-82-5), 100 µg/mL n-Octane (C8) (111-65-9), 100...

UHP brass regulators are the best choice when using ultra-high purity carrier gas for sensitive GC applications using MS, PID, or ECD detection methods. They feature reduced internal dead volume relative to stainless steel bodies. The 316L stainless steel diaphragm valve ensures leak-free shutoff....

Magnetic power tip holds bits and screws securely. The 5-in-1 Magnetic Screwdriver is a multifunctional tool suitable for various tasks, particularly in gas chromatography setups. Its magnetic tip ensures a secure fit with screws, preventing slippage during use. The screwdriver includes five...

Unlike brass brushes that can leave a metal residue, these stainless steel tube brushes (3/8-, 3/16-, and 1/4-inch) work well for cleaning dirty collectors, injector ports, and detector ports. The surface brush can be used to remove residue that builds up on metal detector jets and electronic...

A great tool for cleaning detector jets or removing stuck ferrules from other small orifices. Serrated design is optimal for removing silica deposits and other contaminants.