Handbook of the PHYSICOCHEMICAL PROPERTIES of the ELEMENTS Handbook of the PHYSICOCHEMICAL PROPERTIES of the ELEMENTS Edited by G V Samsonov Director, Laboratory of Metallurgy of Rare Metals and Refractory Compounds, Institute of Cermets and Special Alloys, Academy of Sciences of the Ukrainian SSR, Kiev Translated from Russian IF I/PLENUM • NEW YORK-WASHINGTON • 1968 Contributors: T V Andreeva M M Antonova I G Barantseva A S Bolgar A L Burykina A P Epik V V Fesenko V S Fomenko Yu M Goryachev L P Isaeva P S Kislyi T Va Kosolapova M S Koval'chenko O T Khorpyakov L K Lamikhov G V Lashkarev M D Lyutaya V A Obolonchik V V Ogorodnikov Yu B Paderno A D Panasyuk S V Radzikovskaya B M Rud' G V Samsonov A A Semenov-Kobzar' O I Shulishova L A Sorin L L Vereikina M V Vlasova V L Yupko First Printing- February 1968 Second Printing - June 1968 The original Russian text, published for the Materials Science Institute of the Academy of Sciences of the Ukrainian SSR by Naukova Dumka Press, Kiev, in 1965, has been extensively revised and updated for the American edition f B CAMCOHOB