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Supplier: LGC Standards PROMOCHEM

Heavily contaminated sediment reference material

Supplier: CUSTOM MADE CHEMICALS LAB

Hydrazine sulphate solution, : N/A

Supplier: Endress+Hauser

Precision solution referred to SRM of NIST.

Supplier: LGC Standards PROMOCHEM

This reference standard is intended primarily for use in the calibration of apparatus and the evaluation of techniques employed in the analysis of calcined petroleum coke and other materials with a similar matrix.

Supplier: CUSTOM MADE CHEMICALS LAB

Total acid number TAN 17034, 2 mg KOH/g

Supplier: LGC Standards PROMOCHEM

Lead-zinc ore

Supplier: PerkinElmer

Perkalloy, three 50,8 mm pieces (596 °C)

Supplier: LGC Standards PROMOCHEM

This reference material intended to use in validating methods for determining proximates, fatty acids, calories, vitamins, elements, catechins, caffeine, theobromine, and acrylamide in baking chocolate and similar matrices. It can be used for quality assurance in-house control materials.

Supplier: LGC Standards PROMOCHEM

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

Supplier: LGC Standards PROMOCHEM

White clover (trace elements)

Supplier: LGC Standards PROMOCHEM

These reference standard is intended for use in the evaluation of analytical methods used for the classification of coal fly ash and for the determination of constituent elements in coal fly ash or materials of a similar matrix.

Supplier: SI Analytics

ORP electrode solutions are used as cleaning solutions for combination electrodes and reference electrodes.

Supplier: LGC Standards PROMOCHEM

Phosphorus in 20 blank oil, 1000 µg/g

Supplier: LGC Standards PROMOCHEM

A unit contains approximately 5,5 gm soya-maize oil blend in 10 ml amber ampoule.

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 solution for using as calibration blank for biodiesel metals and sulphur analysis.

Supplier: LGC Standards PROMOCHEM

NIST-3233, fortified breakfast cereal

Supplier: LGC Standards PROMOCHEM

This reference standards are intended for use in the calibration of instruments and the evaluation of methods used in the determination of total sulphur in fuel oils and materials of similar matrix.

Supplier: LGC Standards PROMOCHEM

Acid number reference materials are intended for use in the determination of acid number (AN) in petroleum products in accordance with ASTM D664/IP 177 (by potentiometric titration) or ASTM D974 (by colour-indicator titration).

Supplier: LGC Standards PROMOCHEM

These reference materials are intended for use in accordance with ASTM D2500 for the determination of the cloud point of petroleum products. The cloud point of a petroleum product is an index of the lowest temperature of their utility for certain applications.

Supplier: ACTIVE MOTIF

2×10 ml Potassium dichromate solution for absorbance control 235 - 350 nm and 6×10 ml

Supplier: M S A

The gas mixture in calibration gas cylinder is certified to be prepared gravimetrically, using NIST traceable weights. The lot number and nominal value of the gas constituents in volume, percent by mass, PPM, or volume is specified on the cylinder.

Supplier: LGC Standards PROMOCHEM

Barium Standard, 1000 mg/L, CONOSTAN®, Barium, Matrix: Base Oil 20, Application: Oil based standards