Rapport BIPM-08/05 Measurement of the Specific Heat Capacity of Synthetic Sapphire (α-Al 2 O 3 ) from 293 K to 301 K Susanne Picard, David T. Burns and Philippe Roger September 2008 International Bureau of Weights and Measures Bureau International des Poids et Mesures Pavillon de Breteuil F-92312 Sèvres cedex France