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Supplier: LGC Standards PROMOCHEM

River sediment - extractable metals, : N/A

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: PARR

Calorific standard in powder or pellet form for standardising all oxygen bomb calorimeters.

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

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

Supplier: AccuStandard

Total residual chlorine standard certified reference material, : N/A

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 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.

Supplier: LGC Standards PROMOCHEM

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

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

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

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: Thermo Orion

ISE Surfactant Analysis Solutions for titrations with surfactant ion selective electrodes (ISE).

Supplier: LGC Standards PROMOCHEM

Used on glass fibre filters.

Supplier: LGC Standards PROMOCHEM

WHO coplanar and mono-ortho PCBs (unlabelled), 3 ml in isooctane, : N/A

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: LGC Standards PROMOCHEM

Brick clay - constituents, : 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

DSJ PCB mixture, unlabeled PCBs, CIL, 1 ml in isooctane, : N/A

Supplier: LGC Standards PROMOCHEM

Hard drinking water UK low level metals, : 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

Freshwater harbour sediment (PAHs), : N/A

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

Heavily contaminated sediment reference material , : N/A

Supplier: CUSTOM MADE CHEMICALS LAB

Hydrazine sulphate solution, : N/A

Supplier: Merck

Jede Einheit SRM 1643F besteht aus einer Polyethylenflasche mit ca. 250 ml angesäuertem Wasser, versiegelt in einem aluminiumbeschichteten Plastikbeutel, um die Stabilität zu gewährleisten. Das SRM simuliert die Elementzusammensetzung von Süßwasser. Die Lösung enthält Salpetersäure mit einem Volumenanteil von ~2 %, was einer Stoffkonzentration (Molarität) von fast 0,32 mol/L entspricht.