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Amount of substance

News and Updates

Redefining the SI Base Units

Note: Much more recent information is available about redefinition of the SI units. For a comprehensive general

Projects and Programs

Publications

Stability of gaseous volatile organic compounds contained in gas cylinders with different internal wall treatments

Author(s)
George C. Rhoderick, Christina E. Cecelski, Walter R. Miller Jr., David Worton, Sergi Moreno, Paul Brewer, Joele Viallon, Faraz Idrees, Philippe Moussay, Yong D. Kim, Dal H. Kim, Sangil Lee, Annarita Baldan, Jianrong Li
Volatile organic compounds (VOCs) are a group of gas-phase compounds present in the atmosphere that affect air quality and Earth’s climate. Halocarbons, a

Report of the Pilot study CCQM-P188 (in parallel with CCQM-K120.a and b)

Author(s)
Christopher W. Meyer, Flores Edgar, Viallon Joele, Tiphaine Choteau, Philippe Moussay, Faraz Idrees, Robert Wielgosz, Daniel Rzesanke
The Pilot Study CCQM-P188 was conducted in parallel of the Key Comparisons CCQM-K120.a and CCQM-K120.b, which were designed to evaluate the level of

Tools and Instruments