Restek

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;...

Attach to the column in seconds to form an airtight seal Increase column lifetime—prevent moisture and air from entering the column during storage Two styles to choose from: glass or silicone material Glass caps are color-coded for identifying detector and injector ends Not recommended for...

Accurately detect and quantify pesticides of global food safety concern in a wide range of fruits, vegetables, and other commodities by LC-MS/MS. Full kit contains 204 compounds of interest, covering many LC-determined pesticides listed by government agencies; individual ampuls also sold separately....

Compound List (s)-(-)-1,2,4-Butanetriol (42890-76-6)

Compound List Tricaprin (1,2,3-tricaprinoylglycerol) (621-71-6)

Use of these liners helps ensure an inert GC flow path for higher sensitivity, accuracy, and reproducibility. Consistent quality with exceptional batch-to-batch uniformity Low to zero bleed or background contamination

These electronic crimpers and decappers have a rechargeable 6.4-volt battery installed. The large battery allows for quick, powerful operation and a faster charge cycle, minimizing downtime. Charging the battery takes thirty minutes to two hours. The universal plug set includes U.S., European, UK,...

Compound List 4,4'-DDT (50-29-3) Endrin (72-20-8) Conc. in Solvent and Volume: 100 µg/mL each in ethyl acetate, 1 mL/ampul

Upper temperature limit 250°C 100% PTFE; completely inert One-piece design requires no back ferrule

Designed for daily assessment of system performance. Reveals active sites in the injection port and/or GC column. Prepared in MTBE—low expansion volume helps minimize backflash. Daily testing for DDT and endrin degradation, a requirement of US EPA Methods 508/508.1, 608, 617, 625, 1618, 1656,...

More flexible than fused silica wool. Enhance the performance of your gas chromatography system with our Deactivated Borosilicate Glass Wool. This product is specifically designed to improve the separation and analysis of compounds in gas chromatography applications. Its deactivated state ensures...

For ultimate inertness, SilcoCan air sampling canisters feature our unique Siltek treatment technology. Even highly active components, at low parts-per-billion concentrations, can be readily sampled and stored without loss. The RAVE valve is a high-quality, metal-to-metal seal, 2/3-turn valve with...

Replace active hydrogen, reducing polarity and making the compounds more volatile. Increase stability of derivatives.

Fluid resistor technology eliminates adjustments to capillary tubing for optimizing split ratio. Wide range of interchangeable resistors available. Fixed Flow Splitters for HPLC & LC-MS Split ratio not affected by changes in viscosity or pressure High operating pressure limit: 10,000 psi (68,948...

Replacement Parts for FID Collector Assembly Kit for Agilent GCs

midpolarity phase; Crossbond phenyl methyl polysiloxane The high thermal stability of Rtx-50 columns makes dual-column analysis possible with common phases such as Rtx-1 or Rtx-5MS. General-purpose columns for pesticides, herbicides, rosin acids, phthalate esters, sterols Equivalent to USP G3 phase

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...