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Measurement of the volume of a Zerodur sphere of nominal mass 1 kg by comparison hydrostatic weighing with Zerodur and silica standards of similar nominal mass.

Bayliss, D J (2002) Measurement of the volume of a Zerodur sphere of nominal mass 1 kg by comparison hydrostatic weighing with Zerodur and silica standards of similar nominal mass. NPL Report. CMAM 80

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Abstract

This report describes a method for measuring the volume of a Zerodur sphere of nominal mass 1 kg by making comparison hydrostatic weighings with two calibrated volume reference standards of similar nominal mass manufactured from Zerodur and silica respectively. The result obtained was in good agreement with a values previously determined by the Physikalisch-Technische Bundesanstalt (PTB) and a UKAS accredited UK Laboratory.

Item Type: Report/Guide (NPL Report)
NPL Report No.: CMAM 80
Subjects: Engineering Measurements
Engineering Measurements > Mass, Force, Pressure
Last Modified: 02 Feb 2018 13:17
URI: http://eprintspublications.npl.co.uk/id/eprint/2521

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