Vous avez recherché : Étalons

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.

Supplier: WTW

Standard de zinc, Zinc standard solution, 1000 mg/L

Supplier: Restek

The mix consists of diesel fuel #2 composite, unleaded gasoline composite.

Supplier: Restek

Motor oil composite, 50000 μg/ml in methylene chloride, Info cdt: 1 ml/ampoule

Supplier: Restek

Certified reference materials (CRMs) manufactured and QC-tested in ISO-accredited labs satisfies ISO requirements.

Supplier: Restek

JP-8 military fuel standard, 50000 μg/ml in methylene chloride, Info cdt: 1 ml/ampoule

Supplier: Restek

SAE30 motor oil:SAE40 motor oil (1:1).

Supplier: Restek

This is for total petroleum hydrocarbon pattern recognition of creosote oil.

Supplier: Restek

The biodiesel component is methyl soyate.

Supplier: Restek

This consists of n-decane (C10), n-dodecane (C12), n-tetradecane (C14), n-hexadecane (C16), n-octadecane (C18), n-eicosane (C20) ,n-docosane (C22) , n-tetracosane (C24), n-hexacosane (C26), n-octacosane (C28), n-triacontane (C30) and n-dotriacontane (C32).

Supplier: Restek

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

Supplier: REAGECON

Gasoline calibration standard (three compound mix) in petroleum ether is a ready to use standard used in fuel analysis as either a calibrant or analytical control solution. This standard is used in testing for a range of Aromatic and oxygenate compounds in gasoline in accordance with the ASTM D5845, using infrared (IR) instrumentation. The product can also be used to validate appropriate test methods or qualify an instrument in a regulated industry. The product is QC tested on a high performance GC-MS. This product is prepared gravimetrically on a weight/volume basis to a specification of ±2.5%

Supplier: CPACHEM

Shelf life on ship date: 24 months - store in a refrigerator at temperatures between 2 to 8 °C.

Supplier: LGC Standards PROMOCHEM

Standard de lithium, 100 µg/ml, Lithium, Matrice: 2% HNO₃

Supplier: PerkinElmer

Standard de mercure, Mercury standard solution, 10 mg/l Hg in dil. nitric acid (de Hg), 10 mg/L, Mercure, Matrice: Nitric acid dil., Applications: Étalonnage

Supplier: LGC Standards PROMOCHEM

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

Supplier: LGC Standards PROMOCHEM

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

Supplier: LGC Standards PROMOCHEM

This matrix material solution is intended for use as a diluent for other metallo-organic standards.

Supplier: Restek

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

Supplier: Restek

DRO mix (EPA/wisconsin) with 10 components, includes n-decane (C10), n-eicosane (C20), n-dodecane (C12), n-docosane (C22), n-tetradecane (C14), n-tetracosane (C24), n-hexadecane (C16), n-hexacosane (C26), n-octadecane (C18), n-octacosane (C28), with 2000 μg/ml each in methylene chloride in 1 ml/ampule

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended for use in the determination of constituent elements in clay and material of similar matrix. Powdered clay was air-dried, ball-milled and blended to ensure homogeneity.