Supplier: Restek

This sample contains seven components.

Supplier: Restek

These qualitative mixtures are useful for determining GPC dump/collect times. The compounds are dissolved in methylene chloride.

Supplier: Restek

The CARB 1004 aldehyde/ketone-DNPH calibration standard consists of 13 components, they are acetaldehyde-2,4-DNPH, acetone-2,4-DNPH, acrolein-2,4-DNPH, benzaldehyde-2,4-DNPH, n-butyraldehyde-2,4-DNPH, crotonaldehyde-2,4-DNPH, formaldehyde-2,4-DNPH, hexaldehyde-2,4-DNPH, methacrolein-2,4-DNPH, methyl ethyl ketone-2,4-DNPH, propionaldehyde-2,4-DNPH, m-tolualdehyde-2,4-DNPH, valeraldehyde-2,4-DNPH.

Supplier: Restek

Foam generated as purge gas passes through a sample can enter the analytical trap and possibly the GC column. This silica-containing antifoam agent is effective over a wide pH range and will not conflict with chromatography of target analytes.

Supplier: Restek

This mix contains 20 components.

Supplier: LGC Standards PROMOCHEM

Organic Standard, Clobetasol (21-Chloro-9-fluoro-11b,17-dihydroxy-16b-methylpregn-4-ene-3,20-dione 17-Propionate)

Supplier: Restek

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

Supplier: Restek

Contains two components, those are 2,4-dichlorophenoxyacetic acid and 2,4,5-TP.

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

Mix contains Acetone (67-64-1), 2-Butanone (MEK) (78-93-3), 2-Hexanone (591-78-6), 4-Methyl-2-pentanone (MIBK) (108-10-1).

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: Bromodichloromethane (75-27-4); Bromoform (75-25-2); Carbon tetrachloride (56-23-5); Chlorobenzene (108-90-7); 2-Chloroethyl vinyl ether (110-75-8); Chloroform (67-66-3); Dibromochloromethane (124-48-1); 1,2-Dichlorobenzene (95-50-1); 1,3-Dichlorobenzene (541-73-1); 1,4-Dichlorobenzene (106-46-7); 1,1-Dichloroethane (75-34-3); 1,2-Dichloroethane (107-06-2); 1,1-Dichloroethene (75-35-4); trans-1,2-Dichloroethene (156-60-5); 1,2-Dichloropropane (78-87-5); cis-1,3-Dichloropropene (10061-01-5); trans-1,3-Dichloropropene (10061-02-6); Methylene chloride (dichloromethane) (75-09-2); 1,1,2,2-Tetrachloroethane (79-34-5); Tetrachloroethene (127-18-4); 1,1,1-Trichloroethane (71-55-6); 1,1,2-Trichloroethane (79-00-5); Trichloroethene (79-01-6).

Supplier: Restek

The mixture consists of benzene (100 μg/ml), chloroform 50 μg/ml, 1,4-dioxane (100 μg/ml), methylene chloride (dichloromethane) (500 μg/ml) and trichloroethene (100 μg/ml).

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

Mix contains Acifluorfen methyl ester, Bentazon methyl ester, Chloramben methyl ester, Dalapon methyl ester, 2,4-D methyl ester, 2,4-DB methyl ester, DCPA methyl ester (Chlorthal-dimethyl), Dicamba methyl ester, 3,5-Dichlorobenzoic acid methyl ester, Dichlorprop methyl ester, Dinoseb methyl ether, Pentachloroanisole, Picloram methyl ester, Quinclorac methyl ester, 2,4,5-T methyl ester, 2,4,5-TP.

Supplier: LGC Standards PROMOCHEM

Organic Standard, Dinoseb (2-sec-Butyl-4,6-dinitrophenol) 500 µg/ml in methanol, Pack type: Glass bottle

Supplier: Restek

The ketones mix consists of five components they are acetone, 2-butanone (MEK), 1,1-dichloro-2-propanone, 2-hexanone and 4-methyl-2-pentanone (MIBK).

Supplier: Restek

Mix contains: Benzene (71-43-2), Chlorobenzene (108-90-7), 1,2-Dichlorobenzene (95-50-1), 1,3-Dichlorobenzene (541-73-1), 1,4-Dichlorobenzene (106-46-7), Ethylbenzene (100-41-4), Toluene (108-88-3).

Supplier: Restek

This OLC 03.2 is an analytical method for the detection of low-concentration volatile, semivolatile, and pesticide/Aroclor organics in aqueous samples using deuterated monitoring compounds (DMCs) as sample-by-sample accuracy indicators.

Supplier: Restek

The european pharmacopoeia/ICH Class 1 mix consists of five components, they are benzene (2 μg/ml), carbon tetrachloride (4 μg/ml), 1,2-dichloroethane (5 μg/ml), 1,1-dichloroethene (8 μg/ml) and 1,1,1-trichloroethane (1,500 μg/ml).

Supplier: Restek

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.

Supplier: Restek

US EPA 531.1 check mix

Supplier: Restek

Conatains two components, those are 4,4'-DDT and endrin.

Supplier: LGC Standards PROMOCHEM

Suitable for the development and validation of new analytical methodologies, for the verification of existing processes and for routine use as either calibration or control materials.

Supplier: LGC Standards PROMOCHEM

Organic Standard, (3R,5R)-7-[2-(4-Fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-5-hydroxy-3-methoxyheptanoic acid calcium salt

Supplier: LGC Standards PROMOCHEM

Organic Standard, Di-n-octyl phthalate-[ring-D4] 100 µg/ml in n-nonane (98% D), Pack type: Glass bottle

Supplier: LGC Standards PROMOCHEM

Organic Standard, 3-[2-[4-[(Z)-(2,4-difluorophenyl)(hydroxyimino)methyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

Supplier: Restek

This mix contains four components.

Supplier: Restek

This mix contains eight components.

Supplier: Restek

The mix consists of chloroform (60 μg/ml), 1,4-dioxane (380 μg/ml), methylene chloride (dichloromethane) (600 μg/ml) and trichloroethene (80 μg/ml).