Restek

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...

Graphitized carbon black offers unique selectivity and very little adsorption for alcohol analyses. Two types of CarboBlack supports are available, CarboBlack B and CarboBlack C. CarboBlack B support, with its higher surface area, can hold up to a 10% loading of a nonsilicone liquid phase....

Prevent serious injuries! These holders are designed to prevent free-standing gas cylinders from tipping over and injuring personnel. The cast aluminum holder can be secured to a wall or the side of a work bench. Each mount will secure a cylinder 4-15 inches in diameter.

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;...

We manufacture our frits from fine, chromatographic-grade 316 stainless steel, and we offer sizes to fit most column and pore sizes. To choose the correct frit, check its pore size compatibility with the particle size of the packing in the column. If the packing has a smaller particle size than the...

Available in Vespel, graphite, or Vespel/graphite material. Vespel Ferrules 100% high-temperature polyimide Stable to 350°C Durable, leak-tight Graphite Ferrules Preconditioned to eliminate outgassing High-purity, high-density graphite Smoother surface and cleaner edges than conventional...

Compound List (-)-alpha-Bisabolol (23089-26-1) Camphene (79-92-5) delta-3-Carene (13466-78-9) beta-Caryophyllene (87-44-5) Geraniol (106-24-1) (-)-Guaiol (489-86-1) alpha-Humulene (6753-98-6) p-Isopropyltoluene (p-cymene) (99-87-6) (-)-Isopulegol (89-79-2) d-Limonene (5989-27-5) Linalool (78-70-6)...

Nine-component mix simplifies calibration complexity—saving time and reducing cost. High concentration of 1000 µg/mL adds additional flexibility in constructing calibration curves. Verified composition and stability. Two independently produced lots available. Restek has the products and...

Prevent the particulates and microbial growth in your LC solvents from entering your instrument with the new Restek Bluestem glass solvent filter. Restek Bluestem glass solvent filter provides clean mobile phase to extend the life of columns and pump seals 15 µm borosilicate glass frit sits...

Compound List Ethylene glycol (107-21-1) Propylene glycol (57-55-6)

Valco fittings have been designed for the specific demands of instrumentation and manufactured with the tight tolerances and premium quality that analysts require.

Provides easy access to wipers, weigh papers, boats, and spatulas* Creates a neat, highly functional weighing area and workstation *Please note: Accessories and supplies in photograph are not included.

Compound List Ethylene oxide (75-21-8)

Free-flowing salts transfer easily and completely. Easy-open packets eliminate the need for a second empty tube for salt transfer. Convenient slim packets fit perfectly into tubes to prevent spills. Ready-to-use tubes, no glassware required. Pre-weighed, ultra-pure extraction salts. Ideal for...