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Willard, H. H. and Diehl, H., "Advanced Quantitative Analysis," pp. 339-345, D. Van Nostrand Co., New York, 1943. Walton, H. F., "Principles and Methods of Chemical Analysis," pp. 161-163 and pp. 411-412, Prentice^iall, Inc., New York, 1952. Hillebrand, W. F., Lundell, G. E. F., Bright, H. A. and Hoffman, J. I., "Applied Inorganic Analysis," Chapter 13, pp. 256-272, 2nd Edition, John Wiley and Sons, New York, 1953. Chariot, G. and Bejier, D. translated by Murray, R. C., "Quantitative Inorganic Analysis," pp. 335-342, Methuen and Co., London; John Wiley and Sons, Inc., New York, 1957. Furman, N. H., "Standard Methods of Chemical Analysis" 6th Edition. Vol. 1 pp. 106-107. Van Nostrand, New York, 1962. II. GENERAL REVIEWS OF THE RADIOCHEMISTRY OF ARSENIC Smales, A. A., "Neutron Activation Analysis," Chapter 19, pp. 518-545 in Yoe, J. H. and Koch, J. J., Jr., "Trace Analysis," John Wiley and Sons, New York, 1957. HI. SUMMARY OF STATISTICAL PHYSICAL PROPERTIES OF ARSENIC(1) Outer electronic configuration 4s 4p Molecular state of gas As^^ As2 Atomic volume, 13.13 ml. (metal) Melting point, 814.5°C. (36 atm). Boiling point, sublimes at 610°C. Density, 5.7 g/cc (metal); 3.9 g/cc (yellow) Radius, covalent, 1.21 A Radius, crystal, As~3 2.22 A ; As+3 0.69A ; As+5 (As03~) 0.47 A lonization potential,~ 10 e.v. Electronegativity, 2.0 on the Pauling scale. Principal oxidation states, -3, +3, +5 E°, As + 3 H20 ^ H3As03 + 3 H+ + 3 e~, -0.25 v. (HAs02); As02 + 2 H20 ^ H3As04 + 2 H+ + 2 e~, -0.559 v. Heat capacity, 0.082 cal/gram.
RAD1OCHEM1STRY OF ARSEN1C HAROLD C. BEARD Florida State University, Tallahassee, Florida, January 1960 revised by J. G. CUNINGHAME Atomic Energy Research Establishment Harwell, Didcot, Berkshire, England, January 1965 I. A SELECTION OF GENERAL REVIEWS OF THE INORGANIC AND ANALYTICAL CHEMISTRY OF ARSENIC Mellor, J. W., "A Comprehensive Treatise on Inorganic and Theoretical Chemistry," Volume 9, Chapter 51, pp. 1-338, Longmans, Green and Co., Inc., New York, 1947. Sidgwick, N. V., "The Chemical Elements and Their Compounds," Volume 1, pp. 758-803, Oxford University Press, London, 1950. Sneed, M. C. and Brasted, R. C., "Comprehensive Inorganic Chemistry," Volume 5, Introduction pp. 3-10, Chapter 2, pp. 106-152, D. Van Nostrand Co., Princeton, N.J., 1956. Remy, H. "Treatise on Inorganic Chemistry" Elsevier Amsterdam, 1956. Jacobsen, C. A., "Encyclopedia of Chemical Reactions," pp. 264-500, Reinhold Publishing Co., 1946. McAlpine, R. K., and Soule, B. A., "Qualitative Chemical Analysis," 4th Edition D. Van Nostrand Co., Inc., New York, 1956. Holness, H., "Advanced Inorganic Qualitative Analysis," pp. 75-79 and pp. 152-153, Pitman and Sons, London, 1957.
