Restek

Use for providing carrier, fuel, make-up, or auxiliary gases to laboratory instruments. Restek's Rinsed and Cleaned 304 Stainless Steel Tubing is specifically designed for gas chromatography applications. This tubing undergoes an extensive cleaning process to remove contaminants, ensuring high...

External check of quality for laboratories performing food testing. Ensures accurate proficiency testing. Compound List Aldrin (309-00-2), 10 µg/mL α-BHC (319-84-6), 10 µg/mL ß-BHC (319-85-7), 10 µg/mL γ-BHC (Lindane) (58-89-9), 10 µg/mL cis-Chlordane (5103-71-9), 10 µg/mL...

Protect your Roc LC columns with minimal effect on retention, peak shape, or efficiency Requires separate guard column cartridges (available from Restek)

nonpolar phase Accurate boiling point determination for medium and heavy fractions using GC simulated distillation requires columns and phase polymers that are robust enough to withstand high temperatures without significant degradation. Lowest bleed for longest column lifetime. Reliably meets all...

?Polypropylene plates with round-bottom wells reduce liquid retention; conical bottom provides optimal recovery of reagents. Nunc shared wall technology allows increased well volume for optimum storage capacity and improved mixing. Round well shape is ideal for applications that require vortexing....

247mM Tris-HCl, 27mM Potassium Chloride, 1.37M Sodium Chloride Ensure the reliability and efficiency of your High Performance Liquid Chromatography systems with this Plunger Seals designed for Shimadzu HPLC Systems. These seals are pivotal in maintaining the system's pressure and preventing any...

ASTM Method D4059-00 is used for determining PCB concentrations in various types of transformer oil using GC-ECD detection. The analyst must dilute transformer oil samples in a solvent prior to injection. The oil in the sample has been shown to quench the ECD. Calibration mixtures of PCBs in...

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...

low-polarity phase; Crossbond diphenyl dimethyl polysiloxane The diphenyl dimethyl polysiloxane stationary phase is the most popular GC stationary phase and is used in a wide variety of applications. All residual catalysts and low molecular weight fragments are removed from the MXT-5 polymer,...

Compound List Acetaldehyde-2,4-DNPH (1019-57-4) Acetone-2,4-DNPH (1567-89-1) Acrolein-2,4-DNPH (888-54-0) Benzaldehyde-2,4-DNPH (1157-84-2) n-Butyraldehyde-2,4-DNPH (1527-98-6) Crotonaldehyde-2,4-DNPH (1527-96-4) Formaldehyde-2,4-DNPH (1081-15-8) Hexaldehyde-2,4-DNPH (1527-97-5)...

The industry's only suite of off-the-shelf reference standards for detecting ethylene oxide and 1,4-dioxane in PEG-based products. Formulated with concentrations needed by labs analyzing cosmetics and personal care products for possible carcinogens. Quantitatively tested to confirm composition;...

Meets original manufacturer's performance.

0–300 psig inlet pressure range 0–15 psig outlet pressure range Supplied with 0–15 psig outlet pressure gauge, brass CGA 170 nut and nipple, and 1/8-inch compression outlet

Compound: 2,4,5,6-Tetrachloro-m-xylene CAS #: 877-09-8 Conc. in Solvent and Volume: 200 μg/mL in acetone, 5 mL/ampul Max Shelf Life on Ship Date: 75 months Min Shelf Life on Ship Date: 6 months Certified Reference Material (CRM): Yes

Restek™ Detector lamps used for waters detectors or for Agilent HPLC systems. The Restek Lamps are designed as replacement components for Agilent HPLC systems, ensuring consistent and reliable chromatographic performance. These lamps deliver stable light output, crucial for accurate detection and...

Compound List (C8) n-Octane (111-65-9) (C10) n-Decane (124-18-5) (C12) n-Dodecane (112-40-3) (C14) n-Tetradecane (629-59-4) (C16) n-Hexadecane (544-76-3) (C18) n-Octadecane (593-45-3) (C20) n-Eicosane (112-95-8) (C22) n-Docosane (629-97-0) (C24) n-Tetracosane (646-31-1) (C26) n-Hexacosane (630-01-3)...

Optional soft-side storage case is ideal for storing your flowmeter or leak detector in smaller spaces, such as your tool box.

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. Replacement cutter...

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...

Crimping Tool Accessories The crimper and decapper jaw sets fit standard lab vial seals that are aluminum or two-part aluminum/steel caps.  To switch jaw sets, simply insert the jaw set into the bushing at the bottom of the tool. Push up and twist until the set locks into position. To remove,...

Compound List Alachlor (15972-60-8) Ametryn (834-12-8) Atraton (1610-17-9) Atrazine (1912-24-9) Bromacil (314-40-9) Butachlor (23184-66-9) Butylate (2008-41-5) Butylated hydroxytoluene (BHT) (128-37-0) Chlorpropham (101-21-3) Cyanazine (21725-46-2) Cycloate (1134-23-2) N,N-Diethyl-meta-toluamide...

Caffeine at 5, 25, 125, 250, 500 µg/mL in water in a five-ampul kit. Simple check of a detector’s ability to produce a linear response to varied concentrations. Suitable for clear indication of linear range. Compound List 31804: Caffeine (74051-80-2) caffeine at 5µg/mL in water 31803:...

Enhance your laboratory's gas chromatography processes with the highly dependable Oven Shrouds for Agilent 6890/7890 GCs. These oven shrouds have been meticulously designed to provide outstanding thermal insulation, ensuring optimal temperature stability during your chromatography runs. With its...

Ensure the smooth operation and longevity of your HPLC systems with Restek's Membrane Filters. These scientifically designed components are specifically engineered to remove particulate matter from samples, thereby minimizing the risk of column blockage. As part of Restek's HPLC Instrument Parts and...