8583 Results for: "Restek"

Supplier: Restek

Ultra C4 columns made of high-purity, type-B silica are designed for selective and reliable HPLC applications.

Supplier: Restek

Organic Standard, Nonylphenol (mixture of isomers) 2,000 µg/ml in methanol, Pack type: Glass ampoule

Supplier: Restek

This kit contains 1 ml each of these mixtures: 8270 MegaMix standard, 605 benzidines calibration mix, appendix IX mix #1, revised (methapyrilene is not included in this revised standard), methapyrilene standard, appendix IX Mix #2.

Supplier: Restek

n-Triacontane-d62, 500 µg/ml in methylene chloride, Pk Info: 1 ml/ampoule

Supplier: Restek

High polar phase; biscyanopropyl cyanopropylphenyl polysiloxane, general-purpose columns for cis/trans FAMEs, dioxin isomers.

Supplier: Restek

These application-specific, midpolarity phase, Crossbond 35% diphenyl/65% dimethyl polysiloxane, columns, are ideal for amines and other basic compounds, including alkylamines, diamines, triamines, ethanolamines, and nitrogen-containing heterocyclics.

Supplier: Restek

These packaging materials can be used for easy scale-up to preparative chromatography or for packing the desired columns.

Supplier: Restek

Aroclor standards may exhibit lot-to-lot variation.

Supplier: Restek

This mix contains seven components.

Supplier: Restek

This mix contains eight components.

Supplier: Restek

This mix contains five components.

Supplier: Restek

Separations of more than one hundred chiral compounds have been achieved using our unique DEX columns, and DEX columns continue to demonstrate stability after hundreds of temperature program cycles. Permethylated beta cyclodextrin added into 14% cyanopropylphenyl / 86% dimethyl polysiloxane.

Supplier: Restek

The Rt®-βDEXsa columns have a unique selectivity for esters, lactones, and other fruit flavor components.

Supplier: Restek

These MXT®-1 SimDist methyl silicone polymer gives the correct retention time and boiling point curve.

Supplier: Restek

MXT®-1 columns exhibit long lifetime and very low bleed at high operating temperatures. A proprietary synthesis process eliminates residual catalysts that could cause degradation and increase bleed.

Supplier: Restek

The surrogate mix consists of four components 1-bromo-4-fluorobenzene (BFB), dibromofluoromethane, 1,2-dichloroethane-d4 and toluene-d8.

Supplier: Restek

Mix contains: Benzene (71-43-2); Ethylbenzene (100-41-4); Methyl tert-butyl ether (MTBE) (1634-04-4); Toluene (108-88-3); m-Xylene (108-38-3); o-Xylene (95-47-6); p-Xylene (106-42-3).

Supplier: Restek

Mix contains: 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).

Supplier: Restek

Organic Standard, trans-Chlordane, 1 ml/ampoule

Supplier: Restek

Organic Standard, 2,4,5-TP (Silvex) , 1 ml/ampoule

Supplier: Restek

Organic Standard, PCB Congener Standard #1, 1 ml/ampoule

Supplier: Restek

Three mixes, from lean to rich.

Supplier: Restek

Mix contains: Chlorobenzene-d5 (3114-55-4), 1,4-Dichlorobenzene-d4 (3855-82-1), 1,4-Difluorobenzene (540-36-3).

Supplier: Restek

Organic Standard, Lab control sample #2, 1 ml/ampoule

Supplier: Restek

Organic Standard, Acenaphthylene, 1 ml/ampoule

Supplier: Restek

Organic Standard, 4,6-Dinitro-2-methylphenol (dinitro-o-cresol), 1 ml/ampoule

Supplier: Restek

These Rtx-2887 column's stationary phase, column dimensions, and film thickness have been optimised to exceed the resolution and skewing factor requirements. Individually tested to guarantee a stable baseline with low bleed and reproducible retention times.

Supplier: Restek

The analysis of semivolatile organic pollutants in solid waste, soil, water, and air matrices using gas chromatography - mass spectrometry (GC - MS).

Supplier: Restek

The mix consists of, bromochloroacetic acid (400 μg/ml), bromodichloroacetic acid (400 μg/ml), chlorodibromoacetic acid (1000 μg/ml), dibromoacetic acid (200 μg/ml), dichloroacetic acid (600 μg/ml), monobromoacetic acid (400 μg/ml), monochloroacetic acid (600 μg/ml), tribromoacetic acid (2000 μg/ml), trichloroacetic acid (200 μg/ml)

Supplier: Restek

The mix consists of bromochloroacetic acid, dibromoacetic acid, dichloroacetic acid, monobromoacetic acid, monochloroacetic acid, trichloroacetic acid.