32 PUBLICATIONS RECEIVED Proc. Analyt. Div. Chew. SOC. Organic Spectroscopy. William Kemp. Pp. xvi + 248. London: The Macmillan Press Ltd. 1975. Price ,52.95 (paperback) ; f17.95 (hardback). Electron Microscopy of Enzymes. Prin- ciples and Methods. Edited by M. A. Hayat. Volume 4. Pp. xx + 277. New York, Cincinnati, Toronto, London and Melbourne : Van Nostrand Reinhold Company. 1975. Price L17.Publications Received Experimentelle Einfuhrung in die Potentio - metrie. S. Ebel and W. Parzefall. Pp. 190. Weinheim Bergstr: Verlag Chemie GmbH. 1975. Price DM38. Analisis por Activaci6n Neutr6nica. Teoria, Practica y Aplicaciones. Antonio Travesi. Pp. xxxii + 727. Madrid: Junta de Energia Nuclear. 1975. Price 1500 pesetas. Toxic and Hazardous Industrial Chemicals Safety Manual. For Handling and Disposal with Toxicity and Hazard Data.Pp. xviii + 591. Tokyo: The International Technical Information Institute. 1975. Price $65. Analysis Instrumentation. Volume 13. Edited by R. S. Saltzman, L. Zinn and R. Simms. Pvoceedings of the 21st Annual ISA Analysis Instvumentation Symposium, iWay 6-8, 1975, Philadelphia, Pennsylvania. Pp. viii +- 154. Pittsburgh : Instrument Society of America.1975. Price L8.25. An Introduction to Liquid Scintillation Counting and Solutes and Solvents for Liquid Scintillation Counting. Combined Edition. J. B. Birks. Pp. ii + 41. Colnbrook: Koch- Light Laboratories Ltd. 1975. Gratis. Disinfection-Water and Wastewater. Edited by J. Donald Johnson. Pp. vi + 425. Ann Arbor, Michigan: Ann Arbor Science Pub- lishers, Inc.1975. Price ,515.15: $30.25. British Pharmaceutical Codex Supplement 1976. A Supplement of Additions and Amendments to The British Pharmaceutical Codex 1973. Pre- pared in the Department of Pharmaceutical Sciences of the Pharmaceutical Society of Great Britain and Published by direction of the Society’s Council. Pp. xx -+ 50. London: The Pharmaceutical Press. 1975.Price ,54. Stationary Phases in Gas Chromatography. G. E. Baiulescu and V. A. Ilie. International Series of Monographs in Analytical Chemistvy, Volume 56. Pp. vi + 370. Oxford, New York, Toronto, Sydney and Braunschweig : Pergamon Press. 1975. Price $23.50; ,510. Advances in Infrared and Raman Spectro- scopy. Volume 1. Edited by R. J. H. Clark and R. E. Hester. Pp. xiv + 306. London, New York, and Rheine: Heyden & Son Ltd.1975. Price L13.80; $29.50; DM94.50. Radioimmunoassay in Clinical Bio- chemistry. Edited by C. A. Pasternak. Pp. xviii + 299. London, New York and Rheine: Heyden & Son Ltd. 1975. Price L13.80; $29.50; DM94.50. Absorption Spectra in the Ultraviolet and Visible Region. Edited by L. L h g . Volume XX. Pp. xxiii $. 400 (loose-leaf). Budapest : Akadkmiai Kiad6. 1975. Chemical Analysis of Organometallic Compounds. Volume 4. Elements of Group V. T. R. Crompton. The Analysis of Organic Matevials, An Intevnational Series of Monographs, No. 4. Pp. x + 302. London, New York and San Francisco : Academic Press. 1975. Price fT9.40; $23.25.