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Title: Trilateral Comparison Of Static Volume: Inimet, Ptb, Inmetro
Author: Franco J., Maury A., Espinosa G., Alonso N., Tobben H., Dopheide D., Dalni.S. Filho, Jose J.Pinheiro
Source: Flomeko 2007
Year Published: 2007
Abstract: The comparison among the primary standards of the different countries, is one of the essential activities of the National Metrology Institutes (NMI), and constitutes one of the main ways for confirm the technical competence of the laboratories and its also a requirement for publication of the CMCs in the KCDB of the BIPM. The measurements of volume are the base of the custody and transfer of the hydrocarbons, thats the background for the importance of the traceability to the national standards and the proven equivalence of these to the international ones. The participant laboratories INIMET, PTB and INMETRO are the primary laboratories responsible to maintain and disseminate the units of volume and flow of liquids respectively in Cuba, Germany and Brazil. Cuba and Germany are members of COOMET, the last one is also member of EUROMET and Brazil belongs to the SIM. PTB and INMETRO participated in a key comparison of volume of the CIPM conducted in 2005, CCM.FF-K4 with highly satisfactory results.

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