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13981 results for Standards

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Standards

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 reestablished conditions will yield optimal working performance. Calibrating with concentrated standards eliminates the possibility that environmental changes will induce instrumental miscalculation when accuracy matters most.

Conductivity Calibration Solution

Supplier: Endress+Hauser

Precision solution referred to SRM of NIST.

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Semivolatiles MegaMix standard, EPA method 625

Semivolatiles MegaMix standard, EPA method 625

Supplier: Restek

This contais 54 components, incorporates all phenols, for fast preparation and calibration, incorporates 'additional' extractable method 625 compounds. GC-MS method applicable to analysis of organic compounds in water and soil.

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Diesel fuel #2 (ASTM Class 5 Accelerant)

Supplier: Restek

These solutions are prepared from a single-source (one-refinery) product.

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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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Ozone precursor mixture/PAMS

Ozone precursor mixture/PAMS

Supplier: Restek

Ozone Precursor Mixture/PAMS has 57 components.

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GC multiresidue pesticide kit

GC multiresidue pesticide kit

Supplier: Restek

Accurately identify and quantify pesticide residues by GC-MS/MS in fruits, vegetables, botanicals, and herbals such as tea, ginseng, ginger, echinacea, and dietary supplements.

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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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Acetate mix (5 components)

Acetate mix (5 components)

Supplier: Restek

This contains: n-butyl acetate; ethyl acetate; isopropyl acetate; n-propyl acetate; vinyl acetate.

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Certified PAHs in diesel

Certified PAHs in diesel

Supplier: Restek

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

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Amine column test mix (GC) (8 components)

Amine column test mix (GC) (8 components)

Supplier: Restek

The amine column test mix consists of (C10) decane (0,60 mg/ml), (C12) dodecane (0.60 mg/ml, 1,2-butanediol (0.60 mg/ml), diethanolamine (DEA) (1.20 mg/ml), diethylenetriamine (1.20 mg/ml), 2,6-dimethylaniline (0.60 mg/ml), 2-nonanol (0.60 mg/ml), pyridine(0.60 mg/ml).

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8040 Surrogate mix (2 components)

8040 Surrogate mix (2 components)

Supplier: Restek

8040 Surrogate mix contains 2-fluorophenol, 2,4,6-tribromophenol.

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FAME #18 mix (10 components)

FAME #18 mix (10 components)

Supplier: Restek

This mixture can be used for quantification (AOCS Method CE 1a–13) and approximate the compositions of the types of oils like peanut, rapeseed and mustard seed oil.

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FAME #19 mix (4 components)

FAME #19 mix (4 components)

Supplier: Restek

This mixture can be used for quantification (AOCS Method CE 1a–13) and approximate the compositions of the types of oils like olive, teaseed, and neatsfoot oil.

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FAME #21 mix (7 components)

FAME #21 mix (7 components)

Supplier: Restek

This mixture can be used for quantification (AOCS Method CE 1a–13) and approximate the compositions of the types of oils like olive, teaseed, and neatsfoot oil.

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FAME #3 mix

FAME #3 mix

Supplier: Restek

This mixture can be used for quantification (AOCS method CE 1a–13) and approximate the compositions of oils.

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FAME #6 mix

FAME #6 mix

Supplier: Restek

This mixture can be used for quantification (AOCS method CE 1a–13) and approximate the compositions of oils.

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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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610 PAH calibration mix B (16 components)

610 PAH calibration mix B (16 components)

Supplier: Restek

This 610 PAH calibration mix B idela for LC-UV detection.

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MA EPH surrogate spike mix (2 components)

MA EPH surrogate spike mix (2 components)

Supplier: Restek

This spike mix contains two components: 1-Chlorooctadecane and o-Terphenyl.

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Tripentyltin chloride surrogate

Tripentyltin chloride surrogate

Supplier: Restek

Tripentyltin chloride, 2000 μg/ml in methylene chloride, : N/A, 1 ml/ampul

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Calibration mix, 8260 MegaMix (76 components)

Calibration mix, 8260 MegaMix (76 components)

Supplier: Restek

This calibration mix contains 76 compounds in one convenient ampoule for the analysis of VOCs in solid waste.

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E1387 column resolution check mix (13 components)

E1387 column resolution check mix (13 components)

Supplier: Restek

This mix also can be used for underground storage tank monitoring.

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8260B acetate mix

Supplier: Restek

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

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TX TPH matrix spike mix (2 components)

TX TPH matrix spike mix (2 components)

Supplier: Restek

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

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Diesel #2/mineral oil (2 components)

Diesel #2/mineral oil (2 components)

Supplier: Restek

The mix consists of diesel fuel #2 composite, mineral oil.

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Kerosene (ASTM Class 4 accelerant)

Kerosene (ASTM Class 4 accelerant)

Supplier: Restek

These solutions are prepared from a single-source (one-refinery) product.

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Calibration check mix, 8270 acid (6 components)

Calibration check mix, 8270 acid (6 components)

Supplier: Restek

Calibration check mix, 8270 acid, 2000 µg/ml each in methylene chloride, : N/A, 1 ml/ampoule

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607 Nitrosamines calibration mix (3 components)

607 Nitrosamines calibration mix (3 components)

Supplier: Restek

607 Nitrosamines calibration mix contains N-nitrosodimethylamine, N-nitroso-di-n-propylamine, N-nitrosodiphenylamine.

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Revised GPC calibration mix, semi volatile compounds

Revised GPC calibration mix, semi volatile compounds

Supplier: Restek

Revised GPC calibration mix is a qualitative mixture and it is useful for determining GPC dump/collect times. The compounds are dissolved in methylene chloride at various concentrations.

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Extraction solvent stock solution #2 (2 components)

Extraction solvent stock solution #2 (2 components)

Supplier: Restek

This extraction solvent stock solution contains: n-decane (C10) (20 µl/l), n-tetracontane (C40) (20 mg/l).

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