You searched for: Environmental Analysis Standards

Supplier: LGC Standards PROMOCHEM

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

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

These are intended primarily for the evaluation and calibration of methods for analysis of cements and materials of similar matrix.

Supplier: LGC Standards PROMOCHEM

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

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

Supplier: CUSTOM MADE CHEMICALS LAB

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

Supplier: Restek

Pentafluoro benzene in purge-and-trap grade methanol, 2000 µg/ml, : N/A

Supplier: Restek

Contains 1 ml each of the following mixtures, SV calibration mix #1 (anilines), SV calibration mix #2 (phenols), SV calibration mix #3 (base neutrals), SV calibration mix #4 (base neutrals), SV calibration mix #5 (PAHs), SV calibration mix #7 (dichlorobenzenes) and 605 benzidines calibration mix (benzidine and 3,3'-dichlorobenzidine).

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 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: Restek

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

Supplier: Restek

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

Supplier: Restek

Developed specifically for EPA Method 525.3.

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.

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.

Supplier: Restek

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

Supplier: LGC Standards PROMOCHEM

WHO coplanar and mono-ortho PCBs, 1,2 ml in isooctane, : N/A

Supplier: LGC Standards PROMOCHEM

These are intended primarily for the evaluation and calibration of methods for analysis of cements and materials of similar matrix.

Supplier: Restek

Haloethers calibration mix contains bis(2-chloroethoxy)methane, bis(2-chloroethyl)ether, 4-bromophenyl phenyl ether, 4-chlorophenyl phenyl ether, 2,2'-oxybis(1-chloropropane).

Supplier: LGC Standards PROMOCHEM

This reference standard is intended for use in evaluating analytical methods for the determination of selected of selected polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyl (PCB) congers, chlorinated pesticides and polybrominated diphenyl ether (PBDE) cogeners in house dust and similar matrices.

Supplier: Restek

Minnesota Ag list 1 pesticides mix A, 200 ppm each in acetone, : N/A, 1 ml/ampoule

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended primarily for use in the evaluation of methods used for the analysis of sludges and other materials of a similar matrix.

Supplier: Restek

612 Chlorinated hydrocarbons calibration mix contains 2-chloronaphthalene, 1,2-dichlorobenzene, 1,3-dichlorobenzene, 1,4-dichlorobenzene, hexachlorobenzene, hexachlorobutadiene, hexachlorocyclopentadiene, hexachloroethane, 1,2,4-trichlorobenzene.

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 product is intended for use as a quality control check for methods related to hardness measurements includes calcium, magnesium, sodium, calcium hardness and total hardness as CaCO₃.

Supplier: CPACHEM

Shelf life on ship date: 24 months - store in a refrigerator at temperatures between 2 to 8 °C.

Supplier: Restek

This contains perfluorotributylamine (PFTBA).

Supplier: LGC Standards PROMOCHEM

This product is intended for use as a quality control check for methods related to total suspended solids (TSS), total dissolved solids (TDS), and total solids (TS).