Vous avez recherché : Étalons

Supplier: CPACHEM

Standard de cadmium, Cadmium standard solution, 1 g/L Cd in dil. nitric acid for AAS, Cadmium

Supplier: CUSTOM MADE CHEMICALS LAB

Cloud point standard, Point d'éclair: 62,5 °C, ASTM D2500, ISO3015

Supplier: LGC Standards PROMOCHEM

Lead-zinc ore

Supplier: Hanna

CAL Check™ Standard for pH/free Chlorine/total Chlorine, CAL Check™, : N/A

Supplier: PerkinElmer

Until 10th October 2017 it is still allowed to use mercury thermometers if they are exclusively intended to be used for tests as per standards which require the usage of mercury thermometers.

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a quality control check for methods related to minerals.

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a quality control check for methods related to complex nutrients.

Supplier: Restek

The mix consists of (C5) n-pentane, (C9) n-nonane, (C10) n-decane, benzene, n-butylcyclohexane, 2,5-dibromotoluene, ethylbenzene, 2-methylpentane, methyl tert-butyl ether, naphthalene, toluene, 1,2,4-trimethylbenzene, 2,2,4-trimethylpentane, m-xylene, o-xylene, p-xylene.

Supplier: Thermo Orion

Residual chlorine standard for ISE calibration, Orion™, 100 ppm, : N/A

Supplier: LGC Standards PROMOCHEM

NIST-1634C standard, fuel oil- trace elements

Supplier: LGC Standards PROMOCHEM

This reference standards are intended for use in the calibration of instruments and the evaluation of methods used in the determination of total sulphur in fuel oils and materials of similar matrix.

Supplier: LGC Standards PROMOCHEM

Phosphorus in 20 blank oil, 1000 µg/g

Supplier: Restek

Pentafluoro benzene in purge-and-trap grade methanol, 2000 µg/ml, : N/A

Supplier: LGC Standards PROMOCHEM

This standard solution is intended for use as a calibration standard for total kjeldahl nitrogen (TKN).

Supplier: LGC Standards PROMOCHEM

White clover (trace elements), : N/A

Supplier: Restek

MA EPH aromatic hydrocarbon standard, 1000 µg/ml each in methylene chloride, : N/A, 1 ml/ampoule

Supplier: Restek

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

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

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 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: 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

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

Unleaded gasoline composite standards are comprised of three separate sources each of 87, 89, and 93 octanes blended in equal portions.

Supplier: CUSTOM MADE CHEMICALS LAB

Total acid number TAN 17034, 2 mg KOH/g

Supplier: PerkinElmer

Perkalloy, three 50,8 mm pieces (596 °C)

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended to facilitate the development of chemical methods of analysis for trace elements.