Oil & Gas Calibration Gases
Pure Gases and Calibration Mixtures for Research & Analysis

Efficiency Enhances Safety

Do you want to increase efficiency while maintaining the highest level of safety?

Alphagaz pure gases range equipped with SMARTOP valves meets quality and cost optimization requirements. Mixtures with optimum analytical accuracy and stringent blend tolerances to fit your validation and calibration needs.

Air Liquide offers calibration mixtures matching ASTM, EN, UTO and other internationally accepted specifications. Air Liquide mixtures certified under ISO-17025 Calibration Laboratory Accreditation are tailor made to your process and analytical requirements.

Air Liquide is here for you, right around the corner

One of our 17 European specialty gases plant is located in Breda, The Netherlands. It produces advanced and complex mixtures dedicated to your industry, including a wide range of available hydrocarbons.

We are experts in gaseous & liquid mixtures as well as liquid mixtures containing liquefied components for calibration and validation application supplied with a detailed certificate of analysis.

Our long established collaboration with internationally respected National Metrology Institutes (NMI’s) in the Netherlands, UK and USA guarantees complete traceability and unrivaled expertise for accuracy and repeatability.

The partner of choice for on-line process and off-line laboratory analysis

A wide range of components and packaging meeting your expectations.

Pure Gases

Two grades to ensure your optimal performance

  • Best fit for carrier, purge and zero
  • Two levels of purity from % to ppb
  • SMARTOPTM valve included
  • Products on catalogue and in stock

  Download the Pure Gases Product Sheet

The benefits are clear


Strong expertise

Our offer is, hands down, the simplest way to buy high quality and reliable analytical gases. By providing you with a straightforward, less time-consuming way to choose analytical gases, we make sure you have more time to be more productive elsewhere.

Easy to reach

We pride ourselves on our customer-centric service. We know that having the right product at the right time and having a commitment to guaranteeing a short and reliable lead time, are key factors. We make sure that you, as an Air Liquide customer, have all the expertise you need from first contact to the delivery of your products.

Reliable service

When it comes to analytical gases, precision makes the difference. Air Liquide offers irrefutable accuracy and traceability, guaranteed by ISO 9001 and ISO 17025 certificates and accreditations. Quality is also guaranteed by strict monitoring of all trace impurities in raw materials. To achieve this, we monitor mixture stability during manufacture and over time.


Contact information


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United Kingdom