Certified liquid standard for laboratories

Calibration mixtures for analysers used in refineries and petrochemical plants.

Liquid hydrocarbon mixtures for laboratories and research

Mixtures of liquid components and low volatile liquified gases can’t be produced as a gaseous reference material due to a much too low pressure and risk of condensation. In such case, the Certified Liquid Standards has the solution.

Typical application is found in refineries, cracking installations to monitor the proces streams of f.e. raw materials like propylene, 1,3 butadiene, aromates, and all hydrocarbons with vapour pressures below 2 bar at 0°C.

Certified standards for liquids

Available in cylinder sizes from 3, 10 and 50 liter watercapacity.

Cylinders are equipped with a 2-way valve Gas & Liquid. The gas side can be used to connect an assist gas to pressurise the liquid mixture inside the cylinder (ideally helium because of its low solubility in hydrocarbons).

The liquid side of the valve is connected to a dip-tube inside the cylinder to easely withdraw the liquid mixture to your analyser system.

A wide range of components

The ideal solution for low-volatility hydrocarbons

Supplied in packs with a two-way valve

The certificate will clearly state which method was used

These standards are certified on the basis of composition (gravimetric weighing), laboratory analysis, or a combination of both. These standards are not suitable for highly volatile components such as ethylene or permanent gases such as methane.

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