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General physics
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In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a 2 + b 2]1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)
Russian Federation, VNIIM (D.I. Mendeleyev Institute for Metrology, Rosstandart)
Density , Density of liquid : 600 kg/m3 to 1000 kg/m3
Liquid
Absolute expanded uncertainty : 1.0E-2 kg/m3 to 1.3E-2 kg/m3
Hydrostatic weighing
Fluid : liquid
Temperature : 20 °C
Pressure : 101325 Pa
Viscosity : up to 1000 mPa s
Approved on 28 March 2014
Institute service identifier : VNIIM/2302
Density , Density of liquid : 1000 kg/m3 to 2000 kg/m3
Liquid
Absolute expanded uncertainty : 1.3E-2 kg/m3 to 2.8E-2 kg/m3
Hydrostatic weighing
Fluid : liquid
Temperature : 20 °C
Pressure : 101325 Pa
Viscosity : up to 1000 mPa s
Approved on 28 March 2014
Institute service identifier : VNIIM/2302

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