You searched for: Environmental Analysis Standards

Supplier: LGC Standards PROMOCHEM

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

Supplier: Restek

Atlantic RBCA VPH mix, 1000 µg/ml in P and T methanol, : N/A, 1 ml/ampoule

Supplier: LGC Standards PROMOCHEM

This standard solution is intended for use as a calibration standard for total kjeldahl nitrogen (TKN).

Supplier: Restek

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

Supplier: Restek

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

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: Restek

It separate mixes for surrogates and internal standard.

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: EHRENSTORFER

Stable isotope labelled product type, mixture format, dichloromethane solvent.

Supplier: CUSTOM MADE CHEMICALS LAB

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

Supplier: Restek

Dimethachlor ESA sodium salt, EPA method 535, 100 μg/ml in methanol, : N/A, 1 ml/ampoule

Supplier: Restek

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

Supplier: LGC Standards PROMOCHEM

Certified reference materials (CRM) for gypsum and its constitutents.

Supplier: LGC Standards PROMOCHEM

Used on glass fibre filters.

Supplier: Thermo Orion

Water hardness standard for ISE calibration, Orion™, 100 ppm CaCO₃, : N/A

Supplier: Thermo Orion

COD standard 1000 mg/l, : N/A

Supplier: Restek

α,α,α-Trifluoro toluene in purge-and-trap grade methanol, 2000 µg/ml, : N/A

Supplier: Restek

Pesticide mix #1, organophosphorus, Pesticide mixture, 500 µg/ml each in acetone, : N/A, 1 ml/ampoule

Supplier: Restek

Pesticide mix #2, organochlorine, Pesticide mixture, 500 µg/ml each in acetone, : N/A, 1 ml/ampoule

Supplier: LGC Standards PROMOCHEM

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

Supplier: LGC Standards PROMOCHEM

Brick clay - constituents, : N/A

Supplier: Restek

TO-14A internal standard or tuning mix has 4 components.

Supplier: Restek

Acid matrix spike mix, includes 4-chloro-3-methylphenol, 2-chlorophenol, 4-nitrophenol, pentachlorophenol and phenol, in methanol, 10000 µg/ml, : N/A, 1 ml/ampoule

Supplier: Restek

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

Supplier: EHRENSTORFER

EPA method 552 halogenated acetic mixture 1000 µg/ml in methyl tert-butyl ether, : N/A

Supplier: Restek

Contains two components, those are decachlorobiphenyl and 2,4,5,6-tetrachloro-m-xylene.

Supplier: Restek

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

Supplier: Restek

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

Supplier: LGC Standards PROMOCHEM

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

Supplier: CUSTOM MADE CHEMICALS LAB

Hydrazine sulphate solution, : N/A