You searched for: Environmental Analysis Standards

Supplier: LGC Standards PROMOCHEM

BOD calibration standard, 200 mg/l, : N/A, Matrix: H₂O

Supplier: LGC Standards PROMOCHEM

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

Supplier: Thermo Orion

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

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.

Supplier: LGC Standards PROMOCHEM

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

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.

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended for use as an isotopic reference material for the calibration of mass spectrometers. The material consists of highly purified boric acid of high homogeneity.

Supplier: LGC Standards PROMOCHEM

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

Supplier: LGC Standards PROMOCHEM

This reference standards are intended to use in the determination of trace elements in fresh water. The solution contains nitric acid at a volume fraction of approximately 2%, equivalent to an amount of substance concentration (molarity) of approximately 0,32 mol/l and also it simulates the elemental composition of fresh water.

Supplier: LGC Standards PROMOCHEM

This reference standard is intended for daily use in conjunction with measurement of elements in surface waters. The water solution contains 45 elements with concentrations traceable to
ultrapure metals or stoichiometrically well-defined substances.

Supplier: LGC Standards PROMOCHEM

This Reference material is intended for daily use in conjunction with measurement of elements in wastewaters. The water solution contains 13 elements with concentrations traceable to ultra pure metals or stoichiometrically well-defined substances.

Supplier: LGC Standards PROMOCHEM

Freshwater harbour sediment (PAHs), : N/A

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: CUSTOM MADE CHEMICALS LAB

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

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: 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: 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: 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: 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: CPACHEM

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

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).

Supplier: Thermo Orion

COD standard 1000 mg/l, : N/A

Supplier: LGC Standards PROMOCHEM

Brick clay - constituents, : N/A