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Amount of substance

News and Updates

Better Flowmeters with the Big Blue Ball

Last year, upwards of 25 trillion cubic feet of natural gas were delivered to customers in the United States, and when it changed hands, nearly every cubic foot

Projects and Programs

Standards for Metagenomics

Metagenomics, or identifying the organisms present in a sample through DNA-based analysis, is a revolutionary technology made possible through advances in


Thickness measurement of nm HfO2 films

K.J. Kim, A Kim, S.C. Kim, S.W. Song, H. Ruh, W.E.S. Unger, J. Radnik, J. Mata-Salazar, J.M. Juarez-Garcia, O. Cortazar-Martinez, A. Herrera-Gomez, P.E. Hansen, J.S. Madsen, C.A. Senna, B.S. Archanjo, J.C. Damasceno, C.A. Achete, H. Wang, M. Wang, Donald Windover, Eric B. Steel, A. Kurokawa, T. Fujimoto, Y. Azuma, S. Terauchi, L. Zhang, W.A. Jordaan, S.J. Spencer, A.G. Shard, L. Koenders, M. Krumrey, I. Busch, C. Jeynes
A pilot study for the thickness measurement of HfO2 films was performed by the Surface Analysis Working Group (SAWG) of the Consultative Committee for Amount of

Atom probe tomography

Ann Chiaramonti Debay, Baptiste Gault, Julie Cairney, Michael P. Moody, Oana Cojocaru-Miredin, Patrick Stender, Renelle Dubosq, Christoph Freysoldt, Surendra Kumar Makineni, Tong Li
Atom probe tomography (APT) provides three-dimensional compositional mapping with sub-nanometre resolution. The sensitivity of APT is in the range of parts per

Decision Tree for Key Comparisons

Antonio Possolo, Amanda Koepke, David Newton, Michael R. Winchester
This contribution describes a Decision Tree intended to guide the selection of statistical models and data reduction procedures in key comparisons (KCs). The

Tools and Instruments