NEW BOOKS Physical Chemistry Institute and the International Summer Program on Theoretical Chemistry in Konstanz (Bondensec) 1962, and in courses on ligand field theory given in Buckow (1964) and elsewhere. Tables of Isotopes.
6 t h Edition.
BETHLEHEM INSTRUMENT MERCURY BEST IN PURITY To qualify as Instrument Mercury, the total residue after complete evaporation of a 200 gram sample may not exceed one part im purity per ten million. All BETHLEHEM Instrument Mercury fully meets this rigid standard—and proves it with the analysis certification included in each shipment.
C.
M. Lederer, J. M. Hollander, I. Perlman, xii + 594 pages. John Wiley & Sons, Inc., 605 Third Ave., New York, Ν. Y. 10016. 1967. $7.95. ($4-90, paperbound). This volume is the sixth edition of a summary of knowledge about radioiso topes and nuclear structure compiled since 1940 by the Berkeley laboratory. The book lists all of the more than 1400 known stable and radioactive isotopes of all the elements, giving information about (heir nuclear properties, modes of decay, and methods of production and identification. Textile Laboratory Manual. Vol. 4 Dyestuffs. W. Garner. 165 pages. American Elsevier Publishing Co.t Inc., 52 Vanderbilt Ave., New York, Ν. Υ. 10017. 1967. $7.60. This volume is based on Chapter XII, Colour, and Chapter XIII, Dyestuffs, of the previous edition. In line with the announced plan, the numerous qualitative test methods have been omitted, and instead, coded references to Volume 1, which is an essential com panion text, have been given. Mossbauer Effect Data Index 1 9 5 8 1965. Arthur H. Muir, Jr., Ken J. Ando, Helen M. Coogan. xviii + 351 pages. John Wiley & Sons, Inc., 605 Third Ave., New York, Ν. Υ. 10016. 1967. $9. Previously North American Aviation Science Center had informally pub lished and distributed a limited number of copies of the "Mossbauer Effect Data Index, Issue 1 (1958-1962), Issue 2 (1958-1963), and Issue 3 (19581964)." The present volume contains all the material from the previous issues as well as new material. The Index is designed to provide an organized cumu lative index to published results relating to the Mossbauer effect. The primary emphasis is on experimental results, but sections are arranged also by general topic, such as theory, review, instrumentation, etc. A u t o m a t i o n in Analytical Chemistry. Technicon S y m p o s i a 1 9 6 6 . Vol.1.
xv + 664 pages. Vol. 2. xv + 502 pages. Mediad Inc., 202 Mamaroneck Ave.. White Plains, Ν. Υ 1967 $24. These volumes contain papers from two 1966 symposia on Automation in
CONTINUOUS VACUUM, TRIPLE DISTILLATION ALL BETHLEHEM INSTRUMENT MER CURY IS PURIFIED IN THESE STILLS which operate in three continuous stages under vacuum and controlled low tempera ture.
BEST IN PACKAGING BETHLEHEM Instrument Mercury is avail able in five different polyethylene bottles, with plain cap on the 16-Ib. and 65-lb. bottles, and the unique dispensing tip on the 9-oz., 1-lb., and 6-Ib. sizes. (Five and 10-lb. glass bottles are also available.)
BEST IN SERVICE BETHLEHEM exchanges dirty or scrap mer cury for Instrument Mercury. We supply empty flasks free for safe storage and in expensive shipment to us. O v e r one million
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