Germanium Granules GeGr/0403 Physical Symbol Data Atomic number Atomic weight Density (298 K) Melting point Boiling point Heat of fusion Heat of sublimation Vapour pressure (298 K) Specific heat (273-373 K) Crystal structure Ge content Impurity content O (bonded) Fe C Standard granule diameter Polyethylene bottle g/mol 3 1 kg/m ( ) 1 K() K kJ/mol (1) kJ/mol (1) Pa (1) J/kg.K (2) % ppb ppb ppb Formats and Packing Additional CAS registry ID: 7440-56-4 Information Product aspect: grey powder Landolt-Bornstein, Numerical data and functional relationships in Science and Technology Group III Vol. 17, 1982, ED. Springer Verlag S.M. Sze, Physics of Semiconductor devices 2nd edition 1981, ED. John Wiley & Sons; MM.F. Morin, J. Maita, Phys.Rev., Vol. 94 N°q6, p. 1525, 1954 Umicore Electro-Optic Materials is ISO certified: ISO 9001 – ISO 14001 Umicore Electro-Optic Materials Watertorenstraat 33, B – 2250 Olen, BELGIUM [email protected] www.optics.umicore.com