Vous avez recherché : Étalons

Supplier: CPACHEM

The colour standard is specially intended for use in testing ChP and monographs. This solution was produced according to the specifications using ChP reagent quality components and water meeting the ChP monograph requirement for purified water.

Supplier: LGC Standards PROMOCHEM

Hard drinking water UK low level metals, : N/A

Supplier: Mettler - Toledo

These combined reference standards are intended to reduce uncertainty, eliminate time-consuming and error prone sample transfer and facilitate fully automatic performance verification.

Supplier: LGC Standards PROMOCHEM

This reference standard is intended for use as a primary calibration standard for the quantitative determination of potassium.

Supplier: LGC Standards PROMOCHEM

These standards are intended for use in the determination of fuel (diesel fuel or gasoline) in used engine oils by GC, IR, fuel dilution meter (fuel sniffer), or flash point analyser. They are prepared gravimetrically from well-characterised fuels and hydrocarbon oils, and are verified by GC-FID in accordance with ASTM Method D3524 or D3525.

Supplier: LGC Standards PROMOCHEM

BTEX - Loamy Sand 1, (5 analytes), : N/A

Supplier: Restek

The reported concentrations reflect the amount of aldehyde or ketone in the mixture.The concentration of derivatised aldehyde or ketone is not reported.

Supplier: PerkinElmer

Standard multi-éléments, NexION KED setup solution in 1% HNO₃, 10 mg/L, Contenu: Be, Ce, Fe, In, Li, Mg, Pb, U

Supplier: LGC Standards PROMOCHEM

PTP sample for particle count analysis, VHG, 125 ml, VHG

Supplier: LGC Standards PROMOCHEM

This standard solution is intended for use as a calibration standard for total Kjeldahl nitrogen (TKN). It is prepared gravimetrically to contain nominally 1000 mg of total Kjeldahl nitrogen per liter of solution using analytical grade raw materials and 18 megohm deionised water. The certified concentration is the mean of replicate measurements. The uncertainty is calculated as ±2s/√n.

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: CPACHEM

Standard de fer, Iron standard stock solution

Supplier: Bernd Kraft

EBC standard color number (EBC) 5 for determining the color strength of beer and beer wort

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.

Supplier: LGC Standards PROMOCHEM

This material is designed for use as a quality control check for EPA method 1664. This standard is prepared in solvent n-propanol but not preserved.

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

Supplier: LGC Standards PROMOCHEM

NIST-1646A, estuarine sediment - metals, : N/A

Supplier: LGC Standards PROMOCHEM

This standard material is intended to use in validating analytical methods and in calibrating instruments used in the analysis of phosphate rock, fertilisers and similar materials.

Supplier: LGC Standards PROMOCHEM

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

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: Restek

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

Supplier: Restek

Developed specifically for EPA Method 525.3.

Supplier: LGC Standards PROMOCHEM

This standard is intended for use in the determination of gasoline in used gasoline engine oil by gas chromatography (GC), IR, fuel dilution meter (fuel sniffer) and flash point analyser.

Supplier: CUSTOM MADE CHEMICALS LAB

Chemical oxygen demand COD 50 mg/L calibration standard, : N/A, Calibration standard

Supplier: LGC Standards PROMOCHEM

Grey cast iron (carbon + sulfur), NIST-334

Supplier: Bernd Kraft

Sodium silicate in water can be used for determination of silicic acid in demineralised water.

Supplier: LGC Standards PROMOCHEM

This reference material is intended for use in the evaluation of chemical and instrumental analysis and in calibration of those methods.