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433 results for Environmental Analysis Standards

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Environmental Analysis Standards

The environmental analysis standards confirm testing instruments remain consistent for pollutant level monitoring. Single or multi-element solutions can be used to compare and check composition determinations of unknown samples. Accurately assessing threats in the atmosphere, water sources, or soil, personnel can modify and improve conditions to reestablish the surroundings required for optimal performance. Identify all external and internal elements which impact overall growth with the environmental analysis standards.

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508.1 surrogate (4,4'-dibromobiphenyl)

508.1 surrogate (4,4'-dibromobiphenyl)

Supplier: Restek

508.1 surrogate (4,4'-dibromobiphenyl), 500 μg/ml in ethyl acetate, : N/A, 1 ml/ampoule

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Domestic sludge - metals, NIST-2781 standard

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended to use in the evaluation of methods used for the analysis of sludges and other materials of a similar matrix. These are dried and pulverised domestic sludge.

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8021/502.2 surrogate mix #1

8021/502.2 surrogate mix #1

Supplier: Restek

The mix consists of 1-bromo-2-chloroethane, 1-chloro-3-fluorobenzene and fluorobenzene.

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COD standard solutions, VHG

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a calibration standard or quality control check for chemical oxygen demand (COD).

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Reference standards, PAH mixture 15

Supplier: LGC Standards PROMOCHEM

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

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8061A Surrogate standard (3 components)

8061A Surrogate standard (3 components)

Supplier: Restek

The standard consists of dibenzyl phthalate, diphenyl isophthalate and diphenyl phthalate.

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Method 525.2 internal standard mix

Method 525.2 internal standard mix

Supplier: Restek

This mix contains 3 components: acenaphthene-d10, chrysene-d12 and phenanthrene-d10.

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Method 525.2 surrogate standard mix

Method 525.2 surrogate standard mix

Supplier: Restek

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

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MA EPH aliphatic hydrocarbon standard (14 components)

MA EPH aliphatic hydrocarbon standard (14 components)

Supplier: Restek

MA EPH aliphatic hydrocarbon standard, 1000 µg/ml each in hexane, : N/A, 1 ml/ampoule

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MA EPH aromatic hydrocarbon standard (17 components)

MA EPH aromatic hydrocarbon standard (17 components)

Supplier: Restek

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

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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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Multi-element standard solution, 7 elements

Supplier: Bernd Kraft

This standard solution is intended for analysis of sludge.

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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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BOD standard solutions, VHG

Supplier: LGC Standards PROMOCHEM

The standard solution is intended for use as a glucose-glutamic acid standard check solution for biochemical oxygen demand (BOD) in APHA Method 5210 B.

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Chlorine standard solution, 4-chlorophenol, for AOX determination

Chlorine standard solution, 4-chlorophenol, for AOX determination

Supplier: Bernd Kraft

10 mg/L chlorine in n-hexane is used for AOX determination.

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Elemental analysis standards, plastic clay, NIST-98B

Supplier: LGC Standards PROMOCHEM

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

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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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EPA method 8310 PAH mixture

EPA method 8310 PAH mixture

Supplier: Restek

EPA method 8310 PAH mixturecontain 18 components.

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EPA Method 525.3 OCP Cal Standard, 500 µg/ml, Acetone, 1 ml/Ampul

Supplier: Restek

Developed specifically for EPA Method 525.3.

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8270 calibration mix #6 (10 components)

8270 calibration mix #6 (10 components)

Supplier: Restek

8270 calibration mix #6, 2000 µg/ml each in methylene chloride, : N/A, 1 ml/ampoule

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Elemental analysis standards, flint clay - constituent elements, NIST-97B

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.

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Standards for water pollution QC check, inorganics, VHG

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a quality control check for methods related to measurements of inorganic materials includes conductivity, alkalinity as CaCO₃, chloride, fluoride, nitrite and nitrate, sulphate, potassium, sodium, total dissolved solids and many more.

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Refinery gas standards

Refinery gas standards

Supplier: Restek

Refinery gas standard #2, 27 components, 4.9 litres at 60 psig, : N/A

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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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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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Volatiles, EPA method 624, MegaMix® standard

Supplier: Restek

Volatiles MegaMix, EPA Method 624, MegaMix®, : N/A, 1 ml/ampoule

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DNPH reference materials

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.

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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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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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MA Fractionation check mix (31 components)

MA Fractionation check mix (31 components)

Supplier: Restek

This MA fractionation check mix ideal for underground storage tank monitoring.

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