Restek

The FID Flow Measuring Adaptor by Restek is specifically designed for use with Agilent 5890/6850/6890/7890 GC models, enabling precise measurement of flow in flame ionization detectors. Its robust design ensures reliability and ease of use in various gas chromatography setups. The adaptor...

1mL flowmeter for flows between 0.1 and 10 cc/min 50mL flowmeter for flows between 10 and 300 cc/min Includes a reservoir bulb, twenty-four inches (60 cm) of 1/4-inch ID tubing, adaptor tubes for 1/8-inch tubing and 0.53 mm ID capillary columns, and Velcro fasteners

There are four general types of mineral spirits, classified according to boiling point range (BPR): Type I (Stoddard solvent), BPR 149–182°C Type II (high flash point), BPR 177–196°C Type III (odorless), BPR 149–196°C Type IV (low dry point), BPR 149–174°C...

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 Rtx-5 polymer,...

2,3-di-O-methyl-6-O-tert-butyl dimethylsilyl beta cyclodextrin added into 14% cyanopropylphenyl/86% dimethyl polysiloxane By adding β or γ cyclodextrin to our bonded Rtx-1701 stationary phase, we greatly enhance overall utility and column lifetime for our chiral columns, compared to...

Prepared from an equal-volume blend of 5W30, 10W30, 10W40, and 20W50 motor oils. After blending, a precisely weighed amount of the composite is added to a volumetric flask to produce the standard CAS #: 64742-47-8 Conc. in Solvent and Volume: 50,000 μg/mL in methylene chloride, 1 mL/ampul

Anhydrous sodium sulfate is the most common drying agent used to remove moisture from sample extracts. We package our 10-60 mesh material in recloseable buckets. Ideal for removing water from sample extracts Activate by heating to 400°C for four hours before use Packaged in recloseable 5 kg...

Hydrophilic (polar) adsorbents used to extract hydrophilic analytes from nonpolar matrices, such as organic solvents (e.g., polar contaminants from sample extracts). Meets requirements of EPA Methods 515.2 and 553.

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....

Hydrophobic (nonpolar) silica-based adsorbents; used to extract hydrophobic analytes from polar matrices, such as water (e.g., pesticides from water). C18 (high load, end-capped)

Compound List Acetaldehyde (75-07-0) Acetone (67-64-1) Acetonitrile (75-05-8) Ethanol (64-17-5) Ethyl acetate (141-78-6) 2-Propanol (Isopropanol) (67-63-0) Methanol (67-56-1) Methyl ethyl ketone (78-93-3)

Compound CAS# Concentration 3-Chloro-1,2-propanediol Dipalmitate 51930-97-3 100 µg/mL

The Parker HydroGen Mate DI Water System is specifically designed to provide the high-purity deionized water needed by all models of Parker hydrogen generators. The system is ready to install and is shipped complete with prefiltration cartridge, two DI resin exchange cartridges, final filter, and...

Extend column lifetime. Excellent inertness—obtain lower detection limits for active compounds. Sharper chromatographic peaks by utilizing retention gap technology. Maximum temperature: 360°C

Accurately identify and quantify pesticide residues by GC-MS/MS in fruits, vegetables, botanicals, and herbals such as tea, ginseng, ginger, echinacea, and dietary supplements. Comprehensive 203-compound kit covers food safety lists by the FDA, USDA, and other global governmental agencies;...

Increased efficiency over traditional packed columns. Higher capacity than PLOT columns. Made from inert, flexible SilcoSmooth tubing. Wide range of packings available. Standard coils fit all instruments. No special instrument configurations required. Efficient, Inert, and Flexible Micropacked...

Luer lock inlet offers leak-tight syringe connection Variety of filter types, porosities, and diameters Color coded for easy identification Rugged polypropylene housing Autoclavable to 121°C for 15 minutes Quantity break pricing for greater savings Cellulose Acetate, Nylon, PES,...

Treated Seamless 316L Grade Stainless Steel Tubing High durability tubing. Recommended for: Inert applications High temperatures High pressures Corrosive environments Zero bleed

Deactivated fused quartz helps eliminate activity for complete inertness along the GC flow path Universal fit: use with 0.1–0.53 mm ID Restek columns (0.33–0.74 mm OD) Optional Siltek deactivation is ideal for organochlorine pesticides analysis

low-polarity phase; Crossbond 1,4-bis(dimethylsiloxy)phenylene 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...

midpolarity phase; Crossbond trifluoropropylmethyl polysiloxane Rtx-200 columns have accomplished many difficult separations not possible on any other bonded stationary phase. Many analysts consider these the best, most inert midpolarity columns available. The trifluoropropylmethyl polysiloxane...

Compound List 2-Methylnaphthalene (91-57-6)

Conc. in Solvent and Volume: 1,000 μg/mL each in methylene chloride, 1 mL/ampul Max Shelf Life on Ship Date: 36 months Min Shelf Life on Ship Date: 6 months Certified Reference Material (CRM): Yes

Conc. in Solvent and Volume: 2,000 μg/mL each in P&T methanol, 1 mL/ampule Min Shelf Life on Ship Date: 6 months Compounds: Allyl alcohol (2-propen-1-ol) (107-18-6) 2-Chloroethanol (107-07-3) Ethanol (64-17-5) Isobutyl alcohol (78-83-1) Propargyl alcohol (107-19-7)