Restek

Alta-Robbins' unique valve design incorporates a fully contained soft seat that provides durability and longer lifetime. Tight shut-off is easily achieved with very low torque, yet the valve is rugged enough to withstand overtightening. Multiple valve configurations are available for both...

Compound List Chloral hydrate (302-17-0)

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;...

Advantages of metal MXT PLOT columns include: Can be made in small coil diameters—perfect for tight spaces. Rugged material withstands rough handling and shock. Designed for robust performance in process GCs and field instruments. Available in 3.5"-coil diameter or 7"-diameter,...

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...

100% divinylbenzene Porous polymers are unique, highly retentive stationary phases with a wide application range that are able to elute both polar and nonpolar compounds. They are very hydrophobic, so water has no impact on retention times and even elutes as a good chromatographic peak. The Q-BOND...

Conforms to the specifications established in the current ASTM method D3606 for the quantitation of benzene and toluene in spark ignition fuel containing ethanol. Complete resolution of benzene from ethanol—no compromising coelutions. Accurate quantification of benzene and toluene. Column sets...

Designed with accuracy and safety in mind, these graduated bottles are a valuable addition to any lab setting. Each bottle is coated with a safety layer that helps contain contents and minimize spills if breakage occurs, ideal for handling potentially volatile or hazardous substances. The...

Viva HPLC Columns: 3 or 5 µm particles; 300 Å pore size Excellent for separating peptides or proteins Rugged, spherical particles with 300 Å pore size High proportion of pore/surface area available to large molecules Viva columns are based on a wide pore material we designed for...

low- to midpolarity phase Many analysts feel the Rtx-1301 column has the best cyanosiloxane bonded stationary phase available, with no other column manufacturer providing lower bleed, longer lifetime, or better inertness. Our polymer is fully characterized to ensure long-term reproducibility,...

Application-specific columns for organochlorine pesticides and herbicides. Low bleed—ideal for high sensitivity GC-ECD or GC-MS analyses. Baseline separations in less than 10 minutes. Stable to 320–340°C Analyze EPA Method 8081B, 8082A, 8151A, 504.1, 515, 508.1, and 552.2 compounds...

Compound: Pentachlorophenol CAS #: 87-86-5 Conc. in Solvent and Volume: 1,000 μg/mL in methanol, 1 mL/ampul Max Shelf Life on Ship Date: 96 months Min Shelf Life on Ship Date: 6 months Certified Reference Material (CRM): Yes

Compound List 1-Bromo-4-fluorobenzene (BFB) (460-00-4) Dibromofluoromethane (1868-53-7) 1,2-Dichloroethane-d4 (17060-07-0) Toluene-d8 (2037-26-5)

Packed with an extremely high surface area, baked coconut shell–based activated carbon Purged with ultra-high-purity helium; ready to use with any carrier gas including hydrogen Reduces organics to 0.1 ppm (assuming 100 ppm input) Maximum operating pressure: 250 psi (1,724 kPa)

Cost-effective protection for UHPLC systems Reliable way to extend column lifetime Universal fit—connects easily to any brand column Leak-tight to 15,000 psi (1,034 bar) 0.5 µm or 0.2 µm titanium frit in a stainless steel body with PEEK ferrule

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...

CAS #: 1693-74-9

Contains 76 compounds in one convenient ampul for the analysis of VOCs in solid waste. Quantitatively analyzed to confirm concentration and identity of each compound. Compound List Acetonitrile (75-05-8) Acrylonitrile (107-13-1) Allyl chloride (3-chloropropene) (107-05-1) Benzene (71-43-2)...

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

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...

nonpolar phase; dimethyl polysiloxane Rxi fused silica capillary GC columns were designed specifically to be the best columns available, for exceptional inertness, ultra-low bleed, and reproducible retention and selectivity. In addition to outstanding performance, this combination of column...

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. The...

Includes methyl acetate and n-amyl acetate. Contains 7 acetates. Compound List n-Amyl acetate (628-63-7) Butyl acetate (123-86-4) Ethyl acetate (141-78-6) Isopropyl acetate (108-21-4) Methyl acetate (79-20-9) Propyl acetate (109-60-4) Vinyl acetate (108-05-4)

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...