You searched for: Étalons

Supplier: Restek

The mix consists of, acenaphthene, 2-methylnaphthalene, acenaphthylene, fluorene, naphthalene, 1-methylnaphthalene and phenanthrene.

Supplier: Restek

610 PAH calibration mix A contains acenaphthene (1000 μg/ml), acenaphthylene (1000 μg/ml),anthracene (1000 μg/ml), benz(a)anthracene (500 μg/ml), benzo(a)pyrene (500 μg/ml), benzo(b)fluoranthene (500 μg/ml)
benzo(k)fluoranthene (500 μg/ml), benzo(ghi)perylene (500 μg/ml), chrysene (500 μg/ml), dibenz(a,h)anthracene (500 μg/ml), fluoranthene (500 μg/ml), fluorene (1000 μg/ml), indeno(1,2,3-cd)pyrene (500 μg/ml), naphthalene (1000 μg/ml), phenanthrene (500 μg/ml), pyrene (500 μg/ml).

Supplier: Restek

This mix contains 2-nitro-m-xylene, perylene-d12, pyrene-d10 and triphenylphosphate.

Supplier: LGC Standards PROMOCHEM

According to EU recommendation about the determination of carcinogenic PAHs in food (2005/108/EC) .

Supplier: Restek

The mix consists of (C25) n-pentacosane, 1-bromo-4-fluorobenzene (BFB).

Supplier: Restek

Contains: Aniline (62-53-3); Benzidine (92-87-5); 4-Chloroaniline (106-47-8); 3,3'-Dichlorobenzidine (91-94-1); Diphenylamine (122-39-4)*; 2-Nitroaniline (88-74-4); 3-Nitroaniline (99-09-2); 4-Nitroaniline (100-01-6); N-Nitrosodimethylamine (62-75-9); N-Nitrosodi-n-propylamine (621-64-7); Pyridine (110-86-1)

Supplier: Restek

The mix consists of, (C8) n-octane, (C10) n-decane, (C12) n-dodecane, (C16) n-hexadecane, (C21) n-heneicosane, (C34) n-tetratriacontane.

Supplier: LGC Standards PROMOCHEM

This reference standard is intended for use in evaluating analytical methods for the determination of selected of selected polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyl (PCB) congers, chlorinated pesticides and polybrominated diphenyl ether (PBDE) cogeners in house dust and similar matrices.

Supplier: Restek

Haloethers calibration mix contains bis(2-chloroethoxy)methane, bis(2-chloroethyl)ether, 4-bromophenyl phenyl ether, 4-chlorophenyl phenyl ether, 2,2'-oxybis(1-chloropropane).

Supplier: Restek

Contains 1 ml each of the followig mixtures, 8270 calibration mix #1, 8270 calibration mix #2, 8270 calibration mix #3, 8270 calibration mix #4, 8270 calibration mix #5 revised and 3-methylcholanthrene standard.

Supplier: Restek

Designed to serve as a column resolution text mixture, as well as a calibration mixture for retention time (RT) versus boiling point (bp) calibration.

Supplier: Restek

The solvents consists of (C6) n-hexane (290 μg/ml), chloroform (60 μg/ml), 1,2-dimethoxyethane (100 μg/ml), 2-hexanone (50 μg/ml), nitromethane (50 μg/ml), pyridine (200 μg/ml), tetralin (100 μg/ml), trichloroethene (80 μg/ml).

Supplier: Restek

The MA VPH matrix spike mix consists of 14 components they are (C5) n-pentane, (C9) n-nonane, benzene, 2,5-dibromotoluene (SS), ethylbenzene, 2-methylpentane, methyl tert-butyl ether (mtbe), naphthalene, toluene, 1,2,4-trimethylbenzene, 2,2,4-trimethylpentane (isooctane), m-xylene, o-xylene and p-xylene.

Supplier: Restek

The MA VPH standard consists of 14 components they are (C5) n-pentane 1000 μg/ml, (C9) n-nonane 1000 μg/ml, benzene 500 μg/ml, 2,5-dibromotoluene (SS) 1000 μg/ml, ethylbenzene 500 μg/ml, 2-methylpentane 1500 μg/ml, methyl tert-butyl ether (MTBE) 1500 μg/ml, naphthalene 1000 μg/ml, toluene 1500 μg/ml, 1,2,4-trimethylbenzene 1000 μg/ml, 2,2,4-trimethylpentane (isooctane) 1500 μg/ml, m-xylene 1,000 μg/ml, o-xylene 1,000 μg/ml and p-xylene 1,000 μg/ml.

Supplier: Restek

Contains: Acenaphthene (83-32-9); Acenaphthylene (208-96-8); Anthracene (120-12-7); Benz(a)anthracene (56-55-3); Benzo(a)pyrene (50-32-8); Benzo(b)fluoranthene (205-99-2); Benzo(ghi)perylene (191-24-2); Benzo(k)fluoranthene (207-08-9); Chrysene (218-01-9); Dibenz(a,h)anthracene (53-70-3); Fluoranthene (206-44-0); Fluorene (86-73-7); Indeno(1,2,3-cd)pyrene (193-39-5); 1-Methylnaphthalene (90-12-0); 2-Methylnaphthalene (91-57-6); Naphthalene (91-20-3); Phenanthrene (85-01-8); Pyrene (129-00-0)

Supplier: Restek

625 kit contains 604 phenols calibration mix: 4-chloro-3-methylphenol (59-50-7), 2-chlorophenol (95-57-8), 2,4-dichlorophenol (120-83-2), 2,4-dimethylphenol (105-67-9), 4,6-dinitro-2-methylphenol (dinitro-o-cresol) (534-52-1), 2,4-dinitrophenol (51-28-5), 2-nitrophenol (88-75-5), 4-nitrophenol (100-02-7), pentachlorophenol (87-86-5), phenol (108-95-2), 2,4,6-trichlorophenol (88-06-2), benzidines calibration mix: benzidine (92-87-5), 3,3'-dichlorobenzidine (91-94-1), 606 phthalate esters calibration mix: bis(2-ethylhexyl)phthalate (117-81-7), benzyl butyl phthalate (85-68-7), di-n-butyl phthalate (84-74-2), diethylphthalate (84-66-2), dimethylphthalate (131-11-3), di-n-octyl phthalate (117-84-0),31032: 607 nitrosamines calibration mix, n-nitrosodimethylamine (62-75-9), n-nitroso-di-n-propylamine (621-64-7), n-nitrosodiphenylamine (86-30-6),31033: 609 nitroaromatics & isophorone calibration mix: 2,4-dinitrotoluene (121-14-2), isophorone (78-59-1), 2,6-dinitrotoluene (606-20-2), nitrobenzene (98-95-3),31011: sv calibration mix #5/610 pah mix: acenaphthene (83-32-9), acenaphthylene (208-96-8), anthracene (120-12-7), benz(a)anthracene (56-55-3), benzo(a)pyrene (50-32-8), benzo(b)fluoranthene (205-99-2), benzo(k)fluoranthene (207-08-9), benzo(ghi)perylene (191-24-2), chrysene (218-01-9), dibenz(a,h)anthracene (53-70-3), fluoranthene (206-44-0), fluorene (86-73-7), indeno(1,2,3-cd)pyrene (193-39-5), naphthalene (91-20-3), phenanthrene (85-01-8), pyrene (129-00-0),31034: 611 haloethers calibration mix, bis(2-chloroethoxy)methane (111-91-1), bis(2-chloroethyl)ether (111-44-4), 4-bromophenyl phenyl ether (101-55-3), 4-chlorophenyl phenyl ether (7005-72-3), 2,2'-oxybis(1-chloropropane) (108-60-1),31035: 612 chlorinated hydrocarbons calibration mix: 2-chloronaphthalene (91-58-7), 1,2-dichlorobenzene (95-50-1), 1,3-dichlorobenzene (541-73-1), 1,4-dichlorobenzene (106-46-7), hexachlorobenzene (118-74-1), hexachlorobutadiene (87-68-3), hexachlorocyclopentadiene (77-47-4), hexachloroethane (67-72-1), 1,2,4-trichlorobenzene (120-82-1).

Supplier: LGC Standards PROMOCHEM

These standards are intended for use as calibration and reference standards for the determination of fatty acid methyl esters (FAME) biodiesel content in diesel fuel by infrared (IR) spectroscopy. They are formulated specifically for use with ASTM Method D7371 and EN 14078.

Supplier: LGC Standards PROMOCHEM

This product is intended for use as a quality control check for methods related to total suspended solids (TSS), total dissolved solids (TDS), and total solids (TS).

Supplier: LGC Standards PROMOCHEM

Custom blend S-21+K, CONOSTAN®, 885 ppm

Supplier: LGC Standards PROMOCHEM

These reference materials are intended for use in the determination of acid number (AN) in petroleum products in accordance with ASTM D664/IP 177 (by potentiometric titration) or ASTM D974 (by colour-indicator titration).

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended primarily for use in the evaluation of methods used for the analysis of sludges and other materials of a similar matrix.

Supplier: LGC Standards PROMOCHEM

This product is intended for use as a quality control check for methods related to hardness measurements includes calcium, magnesium, sodium, calcium hardness and total hardness as CaCO₃.

Supplier: M S A

The gas mixture in calibration gas cylinder is certified to be prepared gravimetrically, using NIST traceable weights. The lot number and nominal value of the gas constituents in volume, percent by mass, PPM, or volume is specified on the cylinder.

Supplier: LGC Standards PROMOCHEM

Colour standard solution Pt-Co, Pt-Co, 500 units colour

Supplier: LGC Standards PROMOCHEM

These are intended primarily for the evaluation and calibration of methods for analysis of cements and materials of similar matrix.

Supplier: LGC Standards PROMOCHEM

Standard de sulfide, CONOSTAN®, Soufre, Matrice: Mineral oil, Applications: Industriel

Supplier: LGC Standards PROMOCHEM

These reference materials are intended for use in accordance with ASTM D2500 for the determination of the cloud point of petroleum products. The cloud point of a petroleum product is an index of the lowest temperature of their utility for certain applications.

Supplier: LGC Standards PROMOCHEM

NIST-107C, cast iron (Ni-Cr-Mo)

Supplier: LGC Standards PROMOCHEM

NIST-2890, water saturated octanol, NIST

Supplier: Restek

Kerosene composite standards are comprised of three separate sources blended in equal portions. It may exhibit lot-to-lot variation.