International comparison CCQM-K117 ammonia
Sign Up to like & getrecommendations! Published in 2021 at "Metrologia"
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
CCQM-K173.1 - Assay of sodium carbonate. Final report
Sign Up to like & getrecommendations! Published in 2024 at "Metrologia"
DOI: 10.1088/0026-1394/61/1a/08015
Abstract: The CCQM key comparison CCQM-K173.1 is a subsequent comparison to CCQM-K173. It was performed to demonstrate the capability of KRISS to measure the amount content of bases. The institutes could use a method of their… read more here.
Keywords: ccqm k173; ccqm; comparison ccqm; final report ... See more keywords