Laboratories

Accreditation Standard for Laboratories

Where gas analysis under ISO17025 is mandatory.

Highest level of traceability for gas analysis that require it

This category of calibration mixtures consists of predefined scopes of components and their concentrations, its production and certification methodology as well as the claimed uncertainties being documented in a quality system that is frequently audited by a team of ISO17025 recognized auditors and a technical expert.

Emission control analysis

Natural Gas calorific value determination

The traceability of the reported concentration results is mandatory linked to the metrological level of calibrated mass pieces , Certified Reference Materials (CRM) and Primary Reference Materials (PRM).

Accreditation Standard Specifications

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Traceability of Accreditation Standards

Traceability of a Certified Gas standard

Slide to learn about Nippon Gases over time