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International comparison of volume measurement standards at 50 l at the CENAM (Mexico), PTB (Germany), Measurement Canada and NIST (USA)

J M Maldonado, R Arias, H-H Oelze, V E Bean, J F Houser, C Lachance and C Jacques

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The Centro Nacional de Metrologia (CENAM), the Physikalisch-Technische Bundesanstalt (PTB), Measurement Canada (MC), and the National Institute of Standards and Technology (NIST) maintain the national primary standard facilities for the measurement of volume in Mexico, Germany, Canada and the United States, respectively. These laboratories have compared volume measurements at 50 l. The comparison was accomplished by each laboratory calibrating a transfer standard volume that was circulated among the laboratories, with the CENAM acting as pilot laboratory. All the participants used gravimetric methods. The maximum and minimum reported volumes differ by 0.0098 %.


PACS

06.30.Bp Spatial dimensions (e.g., position, lengths, volume, angles, and displacements)

06.20.F- Units and standards

Subjects

Instrumentation and measurement

Dates

Issue 1 (February 2002)



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