Hai cercato: Standard

Supplier: LGC Standards PROMOCHEM

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

Supplier: LGC Standards PROMOCHEM

The PTP has been specially designed for analytical laboratories that analyse new and used oils for metals, sulphur, viscosity and particle count.

Supplier: Endress+Hauser

Precision solution referred to SRM of NIST.

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

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

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

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: DIONEX

Ion standards are used for a variety of routine anion, cation, and standard determinations.

Supplier: GONOTEC

Calibration standard, Osmolalità: 850 mOsmol/kg, 10× 1 ml

Supplier: RICCA CHEMICAL

EP reference solution BY2, Brownish-yellow standard solution, Glass bottle, amber

Supplier: RICCA CHEMICAL

EP Reference solution BY4, brownish-yellow reference solution, Glass bottle, amber

Supplier: RICCA CHEMICAL

Conductivity standard 2000 µS/cm (1000 ppm; NaCl) in aqueous solution, 2000 µS/cm, Temperatura di riferimento: 25 °C

Supplier: Restek

The United States Pharmacopeia (USP)<467> residual solvents is a widely used compendial method intended for identifying and quantifying residual solvents in drug substances, drug products, and excipients.

Supplier: Restek

Linear detector responses to concentration variations are an important part of operation qualification (OQ) for LC instruments. Kit of five aqueous solutions of caffeine can be used to generate simple plots of UV response versus concentration.