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13970 results for Étalons

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Étalons

Meeting regulations in any industry, standards are essential for periodically checking the accuracy of equipment pieces. By comparing against the known values, output readings detect errors present and inform personnel adjustments are required. Once the settings of the manual or automatic instruments have returned to zero, the re-established conditions will yield optimal working performance. Calibrating with concentrated standards eliminates the possibility that environmental changes will induce instrumental miscalculation when accuracy matters most.

Manganese Standard Solution

Supplier: WTW

Standard de manganèse, Manganese standard solution, 1000 mg/L

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Certified aromatics in gasoline, 16 components

Supplier: Restek

Confirms unleaded gasoline TPH, BTEX and aromatics in single analysis.

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TX TPH calibration mix (2 components)

TX TPH calibration mix (2 components)

Supplier: Restek

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

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Gas calibration standards

Gas calibration standards

Supplier: Restek

These transportable pure gases and mixtures are meant for purging or calibrating to multi component mixes, which are ideal for peak identification work.

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Drinking water odor standard (2 components)

Drinking water odor standard (2 components)

Supplier: Restek

The standard consists of (±)-geosmin and 2-methylisoborneol (MIB).

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Indium standard solution

Supplier: LGC Standards PROMOCHEM

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

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Multi-element standard solution, 7 elements

Supplier: Bernd Kraft

This standard solution is intended for analysis of sludge.

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Copper standard solution, NIST-3114

Supplier: LGC Standards PROMOCHEM

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

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Reference standards, PAH mixture, CERTAN®

Supplier: LGC Standards PROMOCHEM

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

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NW TPH-HCID surrogate mix (2 components)

NW TPH-HCID surrogate mix (2 components)

Supplier: Restek

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

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Residual Solvents Class 2 - Mix B (8 components)

Residual Solvents Class 2 - Mix B (8 components)

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).

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8270 calibration mix #5, revised (18 components)

8270 calibration mix #5, revised (18 components)

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)

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605 Benzidines calibration mix and benzidine mix

605 Benzidines calibration mix and benzidine mix

Supplier: Restek

605 Benzidines calibration mix contains 2 components.

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Calcium standard for ISE calibration, Orion™

Supplier: Thermo Orion

Standard de calcium, 0,1M, Orion™, Calcium, Matrice: H₂O, Applications: ISE Calibration

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n-Triacontane-d62

n-Triacontane-d62

Supplier: Restek

n-Triacontane-d62, 500 µg/ml in methylene chloride, Info cdt: 1 ml/ampoule

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Elemental analysis standards, sulphur standards, VHG

Supplier: LGC Standards PROMOCHEM

This standard solution is intended for use as a certified reference material and calibration standard for the analysis of sulphur in various petroleum products using x-ray fluorescence spectrometry (XRF), combustion and other techniques for sulphur analysis. It is suitable for use with methods such as ASTM D2622, D4294, D5453, D7039, D7212, D7220 and others.

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Hazen Couleur Standard selon EN ISO 6271-1:2004

Hazen Couleur Standard selon EN ISO 6271-1:2004

Supplier: Bernd Kraft

ISO 6271-1:2004 specifies a method for estimating the colour, in Pt-Co units, of clear liquids.

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Calcium standard solution

Supplier: LGC Standards PROMOCHEM

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

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Natural gas standards

Natural gas standards

Supplier: Restek

Three mixes, from lean to rich.

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Nickel Standard Solution

Supplier: WTW

Standard de nickel, Nickel standard solution, 1000 mg/L

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Used motor oil composite standard

Used motor oil composite standard

Supplier: Restek

Prepared from an equal-volume blend from five gasoline-powered vehicles. After blending, a precisely weighed amount of the composite is added to a volumetric flask to produce the standard. Motor Oil standards may exhibit lot-to-lot variation.

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Calibration mix D3710-95 (16 components)

Calibration mix D3710-95 (16 components)

Supplier: Restek

These calibration mixtures are made with pure, highly characterized neat material and are prepared using NIST-traceable balances and weights. Each ampul is supplied with a data sheet indicating the exact concentration and a sample chromatogram.

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Mineral spirits standards (unweathered)

Mineral spirits standards (unweathered)

Supplier: Restek

This standard is manufactured using the Type 1 mineral spirit.

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DRO mix (Tennessee/Mississippi) (16 components)

DRO mix (Tennessee/Mississippi) (16 components)

Supplier: Restek

DRO mix (Tennessee/Mississippi), 1000 μg/ml each in methylene chloride, Info cdt: 1 ml/ampoule

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Mercure 20 mg/l dans l'acide nitrique dilué (de Hg)

Supplier: CUSTOM MADE CHEMICALS LAB

Standard de mercure, 20 mg/L, Mercure, Matrice: Nitric acid dil., Applications: Étalonnage

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Standards for water pollution QC check, sample demand, VHG

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a quality control check for methods related to sample demands including BOD, CBOD, COD, TOC.

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Reference standard, vanadium, VHG, CONOSTAN

Supplier: LGC Standards PROMOCHEM

Standard de vanadium, 1000 µg/g, CONOSTAN®, Vanadium, Matrice: Base Oil 20, Applications: Industriel, Huiles de pétrole et carburants

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Standards for water pollution QC check, mercury, VHG

Supplier: LGC Standards PROMOCHEM

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

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Refractive Indexx Liquid, Series AA

Supplier: CARGILLE

Refractive index liquids have a broad range of applications in diversified fields.

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TOC Standard Solution

Supplier: CUSTOM MADE CHEMICALS LAB

TOC standard solution, 1000 mg/L, : N/A

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