Restek

Restek chemists became the first to combine the speed of superficially porous particles (also known as SPP or “core-shell” particles) with the resolution of highly selective USLC technology. This new breed of chromatographic column allows you to more easily achieve peak separation and...

Split sample flow—perform dual-column confirmation analysis with a single injection Split column flow to two detectors Inlet and outlet ends match column curvature to alleviate connection strain

Compound List Benzidine (92-87-5) 3,3'-Dichlorobenzidine (91-94-1)

For use with temperature-programmed conditions.

Improve system baseline stability while increasing the total system volume by only 160 µL. The MiniPulse pulse dampener is ideal for applications where minimizing the total system volume is critical. Stainless steel and PEEK options for a wide range of applications. Compact unit (2.5" x...

Titanium nut with integrated PEEK ferrule simplifies installation—one-piece design means no more lost ferrules. Convenient, built-in driver makes secure installations quick and easy. Allows easy 18,000 psi (1250 bar) seals without wrenches. Can be installed repeatedly with­out compromising...

Our hubcap adapters offers the use of the Mobi-Cap Top with 4-liter solvent bottles.

Topaz GC inlet liners feature revolutionary technology and inertness to deliver you the next level of True Blue Performance: Deactivation —unbelievably low breakdown for accurate and precise low-level GC analyses Reproducibility —unbeatable manufacturing controls and QC testing for...

• Compound: 2-chloroethyl vinyl ether • CAS #: 110-75-8 • Conc. in Solvent and Volume: 2,000 μg/mL in P&T methanol, 1 mL/ampul

Accurately detect and quantify pesticides of global food safety concern in a wide range of fruits, vegetables, and other commodities by LC-MS/MS. Formulated and grouped for maximum long-term stability* and well-balanced chromatographic performance. Quantitatively tested to confirm composition;...

Constructed of high-quality stainless steel Meets or exceeds original manufacturer's performance Individual replacement parts available

These small canisters are designed for controlled sampling, such as personal air sampling, as an alternative to tube and pump samplers. The 1,000 cc canister is suitable for sampling volatile organic compounds in air according to methods TO-14A, TO-15, IP-1A, ASTM 5466, OSHA PV 2120, and NJ DEP Low...

CGA-specified nuts and nipples with internal frit, 1/4-inch NPT nickel-plated brass. Ideal for use with PerkinElmer Auto SYS and Clarus gas chromatographs, this 4.0mm ID Double Taper Inlet Liner ensures efficient sample introduction into the system. Equipped with split/splitless inlets, it...

Restek chemists became the first to combine the speed of superficially porous particles (also known as SPP or “core-shell” particles) with the resolution of highly selective USLC technology. This new breed of chromatographic column allows you to more easily achieve peak separation and...

midpolarity phase; Crossbond diphenyl dimethyl polysiloxane An Rtx-35 column is a popular confirmation column for pesticides and herbicides in conjunction with an Rtx-5 or Rtx-1701 column. The higher phenyl content causes useful elution order and retention time changes. General-purpose columns for...

Compound List Acrolein (107-02-8) This product has a limited shelf life. We recommend that you order only the ampul quantity that meets your immediate needs. NOTE: Store standards under frozen conditions (0°C or colder). We recommend you store ampuls lying flat (horizontally) to prevent...

Compound List Chain, Compound (CAS#), % by Weight C4:0 Methyl butyrate (632-42-7), 1.5% C6:0 Methyl hexanoate (106-70-7), 1.5% C8:0 Methyl octanoate (111-11-5), 2% C10:0 Methyl decanoate (1110-42-9), 2.5% C11:0 Methyl undecanoate (1731-86-8), 2.5% C12:0 Methyl laurate (111-82-0), 5% C13:0 Methyl...

Enhance your gas chromatography performance with this 4.0mm ID Precision Inlet Liner. Specifically designed with wool, it improves the vaporization of samples and the mixing of the sample with the carrier gas. It is compatible with PerkinElmer Auto SYS and Clarus GCs that feature split or splitless...

Sampling bags are a low-cost whole air sampling device for high level VOCs and permanent gases. Several EPA, NIOSH, and OSHA methods exist for bag sampling for a variety of applications: stationary sources emissions; workplace atmospheres; ambient, indoor air quality; and breath analysis. Choose the...

Product Name: 501 Trihalomethane Mix Conc. in Solvent and Volume: 200 μg/mL each in P&T methanol, 1 mL/ampul Min Shelf Life on Ship Date: 6 months Certified Reference Material (CRM): Yes Compounds Bromodichloromethane (75-27-4) Bromoform (75-25-2) Chloroform (67-66-3) Dibromochloromethane...

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.