A wide range of regulations and industrial requirements depend on the accurate and robust analysis of trace and ultra-trace concentrations of components in 'pure' gases. Examples of the areas where these analyses are highly important are atmospheric monitoring, ambient air and indoor air quality. They are also essential for process gases used in, for example, the health, micro-manufacturing, fuel cell and energy industries.
Our trace gas analysis facility is also available for instrument calibration and performance assessment work. It provides traceable measurements of key contaminants found in high-purity gases. Measurement traceability is achieved through instrument calibrations using in-house traceable gas standards. NPL's purity analysis capability is summarised below.
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