International comparison CCQM-K117 ammonia
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DOI: 10.1088/0026-1394/58/1a/08017
Abstract: At the highest metrological level, ammonia gas standards are commonly prepared gravimetrically as Primary Standard Mixtures or using a dynamic standard. This international key comparison addressed the measurement of the amount fraction ammonia in nitrogen,… read more here.
Keywords: comparison; comparison ccqm; international comparison; key comparison ... See more keywords