2002•OpenGrey (Institut de l'Information Scientifique et Technique)Requires access
The traceability of density measurements via solid density reference standards using the NPL 1 kg hydrostatic weighing apparatus.
D J Bayliss, I Severn
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Abstract
This report describes a method for making traceable measurements of the density of water by hydrostatic weighing using calibrated spherical reference standards of nominal mass 1 kg manufactured from Zerodur and silica. The results obtained were in good agreement with values calculated from recently published formula. A traceable density measurement of a stainless steel 1 kg artefact by hydrostatic weighing using the method above to determine the density of the water is also described.