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New Bookspubs.acs.org/doi/pdf/10.1021/ac60296a744And did you know that of all the instruments of this type, ISCO monitor...

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Final Exam

An ISCO monochromatic UV flow monitor is a reliable as­ sistant which you can trust to give your column efflu­ ents a comprehensive ex­ amination with a minimum of effort and supervision. And did you know that of all the instruments of this type, ISCO monitors • are true absorbance (O.D.) monitors? • have the narrowest bandwidth and least stray light? • are the only ones which can operate your fraction collector to automatically deposit sepa­ rate peaks into separate tubes? • with an optional channel alter­ nator accessory will monitor two columns at one wavelength, one column at two wavelengths, or one column at one wave­ length but with two flow cell light path lengths? • are priced no higher than in­ struments having none of these features? All this adds up to the only fully quantitative UV monitors on the market. For more information send for brochure UA31.

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Regular and Related Solutions. Joel H. Hildebrand, John M. Prausnitz, and Robert L. Scott, ix + 228 pages. Van Nostrand Reinhold Co., 450 W. 33rd St., New York, Ν. Υ. 10001. 1970. $10.95

This book is both a revision of and se­ quel to "Regular Solutions" by Hilde­ brand and Scott. The title has been al­ tered to go along with the fact that the authors also deal with irregular solu­ tions in terms of their deviation from the behavior of regular solutions con­ sidered as reference state. The present book expands the coverage of solubility within a thermodynamic framework us­ ing the microscopic or intermolecular potential foundation approach of solu­ bility. Scores of solutions of gases, li­ quids, and solids are analyzed in the light of this important theory. A large amount of new experimental evidence introduced by the authors within the last eight years is presented. This book will be of value and interest to research­ ers in chemical engineering, physical chemistry, and polymer chemistry, and specifically in such areas as natural gas, petroleum and petrochemicals, paint and varnish, pharmaceuticals, poly­ mers, chromatography, and plastics.

The Chemistry of Amides. Jacob Zabicky, Ed. xv + 927 pages. John Wiley & Sons, Inc., 605 Third Ave., New York, Ν. Υ. 10016. 1970. $38.50

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AN INTRODUCTION TO MÖSSBAUER SPECTROSCOPY Edited by Leopold May, Department of Chemistry, The Catholic University of America, Washington, D.C. This v o l u m e presents articles based on t h e most current lectures offered at t h e various instit u t e s c o n d u c t i n g courses in Môssbauer spectroscopy. CONTENTS: Peter G. Debrunner and Hans Frauenfelder, Introduction to the Môssbauer Effect · Jon J. Spijkerman, Instrumentation · David W. Hafemeister, Nuclear Properties Determined from Môssbauer Measurements · John C. Travis, The Electric Field Gradient Tensor · Robert L Ingalls, Application to Solid-State Physics · J. Danon, Application to Coordination Chemistry · R. H. Herber, Application to Organometallic Compounds · U. Gonser, Môssbauer Spectroscopy and Physical Metallurgy · Leopold May, Application to Biochemical Systems · Appendix A: Nomenclature of Môssbauer Spectroscopy · Appendix B: Bibliographic Sources • Appendix C: Selected References on Môssbauer Spectroscopy · Index. 203 PAGES J A N U A R Y 1971 S B N 306-30477-5

$15.00

LOW-FREQUENCY VIBRATIONS OF INORGANIC AND COORDINATION COMPOUNDS

This volume is part of a series en­ titled "The Chemistry of the Func­ tional Groups." Each volume tries to cover all aspects of the chemistry of one of the important functional groups in organic chemistry. The emphasis is laid on the functional group treated and on the effects which it exerts on the chemical and physical properties, pri­ marily in the immediate vicinity of the group in question, and secondarily on the behavior of the whole molecule. The amide function as considered in this present volume is based on the trivalent group. To keep the volume within rea­ sonable size, some restrictions were im­ posed as to the type of radical that might be attached at each site. On the carbonyl side of the group, only bonds to II or C atoms were allowed, while on the amino moiety of the group Ν could also be attached. These limitations leave compounds such as carbamates, ureas, and semicarbazides, outside the scope of the book, but include in it amides, lactams, imides, diacylamines,

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ANALYTICAL CHEMISTRY, VOL. 43, NO. 1, JANUARY 1971

By John R. Ferraro, Argonne National Laboratory, Argonne, Illinois This v o l u m e offers a wealth of new information on t h e correlation of far-infrared vibrations for molecules in inorganic a n d coordination c o m p o u n d s . CONTENTS: Introduction · Far-infrared instrumentation · Sampling techniques and instrument calibration in the far-infrared region · New techniques used with far-infrared measurements · Metal-oxygen vibrations · Metal-halide vibration · Metal-nitrogen vibration · Miscellaneous metal-ligand vibrations · Other low-frequency vibrations · Appendices · Index. 309 PAGES J A N U A R Y 1971 S B N 306-30453-8

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triacylamines, and hydrazides. The thiono analogues of the compounds were also discussed. This volume contains an author index and a subject index.

Infrared Vapour Spectra. D. Welti, xi + 211 pages. Sadtler Research Lab­ oratories, 3314-20 Spring Garden St., Philadelphia, Pa. 19104. 1970. $21

This book contains an extensive com­ pilation of vapor-phase spectra. The preparation of this book stems from the author's interest in the combination of infrared spectrometry with vaporphase chromatography. The direct col­ lection and examination of chromato­ graphic fractions in the vapor phase, usually in a heated gas cell, is a simple and efficient operation. The only sub­ stantial problem that remained in its application as a method of identifica­ tion of unknowns was the lack of good quality vapor-phase spectra in the lit­ erature, and a relative lack of knowl­ edge of the differences to be expected between the spectrum of the vapor and the condensed phase. Not only has Mr. Welti compiled a list of vapor-phase spectra, but he has examined relatively complex materials in the vapor phase, particularly those in which intermolecular hydrogen bonding can occur. The following are the five main topics cov­ ered in this book: sample handling; frequency correlations of vapor spec­ tra ; introduction to the use of the band contours in vapor spectra; combination of gas chromatography and infrared spectrometry; and vapor spectra. An index to the vapor spectra is also in­ cluded.

It's new. A LAB-SIZE ® DISPERSONIC Emulsifies, disperses, homogenizes 1 to 4 liter quantities.

Produces pilot plant data that duplicates effects of production equipment. Now you can prepare, in the labora­ tory, the same excellent emulsions, dispersions, suspensions and superm i x t u r e s that are p r o d u c e d by Sonic's high-capacity production equipment. You'll find the Lab-Size Dispersonic extremely useful, if not indispensible, in research activities involving chemical, food, rubber, tex­ tile, cosmetic and pharmaceutical technology. A n d , because experi­ mental data can be directly applied to production processes, scale-up problems are a thing of the past.

Masking and Demasking of Chemical Reactions. D. D. Perrin. χ + 211 pages. John Wiley & Sons, Inc., 605 Third Ave., New York, Ν. Υ. 10016. 1970. $12.95

Masking and demasking techniques arc used to improve selectivity in chem­ ical methods ranging over fields as di­ verse as complexometric titration, gravimetry, polarography, spectrophotom­ etry, solvent extraction, and ion ex­ change. This book provides a timely condensation of representative applica­ tions relevant to analytical chemistry, industry, biology, and medicine. The underlying principles of masking are discussed to servo as a guide to the reader in his choice of masking reagents for use in new systems or under condi­ tions not previously considered. This detailed guide to masking as ap­ proached is unique, since previous pub-

The heart of our Lab-Size Dispersonic is the new Model " A " Sonolator. It's fully adjustable to permit best utilization of the jet-edge tone principle. Comes with acoustic in­ tensity meter and probe to assure maximum mixing effectiveness. All

stainless steel construction. Strips in minutes for cleaning and changing of internal parts. Complete, portable, self-contained system includes Sonolator and in­ strumentation, variable-speed motor, pump, tanks and controls mounted on a 2 χ 3 foot base. Place it on a handy bench, plug it in and you're in business. We'll be happy to send you more detailed operating information, com­ plete s p e c i f i c a t i o n s and p r i c e s . Please write us, or better yet, call. Sonic Engineering Corporation, C o n n e c t i c u t Ave., Norwalk, C o n n . 06854. (203)838-4717.

Sonic

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New Books lications have treated the subject mat­ ter superficially. It should prove to be a valuable reference for all applied and pure chemical researchers involved with masking reagents.

Chemical Analysis: An Intensive In­ troduction to Modern Analysis. W. E. Harris and B. Kratochvil. χ + 222 pages. Barnes & Noble, Inc., 105 Fifth Ave., New York, Ν. Υ 10003. 1970. $4.25

This manual is designed to comple­ ment textbooks which include the theory of modern instrumental and sep­ arations techniques. It provides a set of thoroughly tested experiments that bring the laboratory treatment up to the level of the best modern textbooks. No prior analytical experience is as­ sumed; the experiments begin with ba­ sic analytical operations and build pro­ gressively to include current techniques such as gas chromatography and atomic absorption. This manual is designed for students who have a background of general chemistry and who have gained sufficient appreciation of the need for high quality experimental work to bene­ fit from an intensive course in chemical measurements. The experiments are divided into three parts: (1) a brief study of basic laboratory tools and op­ erations; (2) a study of noninstrumental methods; and (3) a treatment of separations and instrumental methods. The assignments are designed to intro­ duce analytical chemistry through the analysis of samples and to build the confidence of the student in his ability to make accurate chemical measure­ ments at a reasonable rate.

In L C - A What^ you don't know can hurt you You have a c o m p l i c a t e d LC c o l u m n full of facts — w i l l y o u learn them a l l ? You w i l l if y o u have an LDC refractoMonitor to identify t h e m . In l i q u i d c h r o m a t o g r a p h y , the only sure m e t h o d of d e t e r m i n i n g the total c o m p o s i t i o n of an u n k n o w n mixture is t h r o u g h a universal detector. That means L D C ! C h e c k the i m p o r t a n t features b e l o w : The refractoMonitor: per million detection for most comΠ Can be used with all solvents, inpounds in LC; eluding aromatics; D Has a cell volume of 5 μ\ meaning Π Detects all classes of compounds, excellent peak symmetry and vir­ even saturated hydrocarbons, lip­ tually no peak spreading; ids, and non-uv absorbing proteins ; Π Has linear response vs concentra­ tion, meaning that LC is now a Π Is sensitive to changes as small as 7 quantitative tool. Δ 10~ Rl Units. This means parts Stability, simplicity of o p e r a t i o n , and versatility are built-in extras. K n o w y o u r eluents — get this l o w - c o s t fact-finder now for y o u r LC analyses. What you learn t h r o u g h the LDC refractoMonitor can help.

Composition, Reaction, and Equilibrium: Experiments in Chemistry. Norman C. Craig et al. χ + 341 pages. Addison-Wesley Publishing Co., Inc., Reading, Mass. 01867. 1970. $4.50

This laboratory manual was assem­ bled to serve a wide range of general chemistry programs. There are more experiments in this manual than can be completed in the typical two-term lab­ oratory program. These experiments also differ greatly in the level of mathe­ matical analysis required and in the use of instrumentation. There are 30 ex­ periments; and the general themes in­ clude manual stoichiometry, equilib­ rium, reactivity, structure, and the properties of matter. The manual in­ cludes a section on qualitative analysis which contains theory, general proce-

LDC

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dures, and flow charts, and on inor­ ganic qualitative analysis. Quantitative relationships and measurements are em­ phasized. The experiments allow for considerable flexibility on the part of the instructor, permitting him to deter­ mine the order and level of sophistica­ tion of the material to be studied. Each of the experiments is self-contained and thereby designed to stimulate experi­ mentation by the student.

Analytical Chemistry of Zirconium and Hafnium. Anil K. Mukherji. xiii + 281 pages. Pergamon Press, Inc., Maxwell House, Fairview Park, Elmsford, Ν. Υ. 10523. 1970. $12

This book presents an up-to-date col­ lection and comparison of published re­ search results on the characterization and analysis of zirconium and hafnium. These two elements have interesting physical and mechanical properties such as corrosion resistance and mechanical strength of metals and alloys at both low and elevated temperatures. The aqueous chemistry of zirconium and hafnium has been discussed to draw at­ tention to the complications of hydroly­ sis and polymerization and their effect on analytical procedures. Classical methods such as titrimetric, gravimet­ ric, and absorptiometric are presented along with spectrographs, X-ray, and neutron activation methods. Tech­ niques for the separation of zirconium from hafnium also have been discussed.

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Programmed Thermodynamics, Vol. 2: Entropy and the Second Law. Charles E. Wales, ix + 275 pages. McGraw-Hill Book Co., 330 W. 42nd St., New York, Ν. Υ. 10036. 1970. $5.95

This is a programmed text composed of a series of numbered sections; each section contains a linear sequence of questions and answers or frames, one or two problem sets, a multiple-choice selfquiz, and a set of content-performance objectives. These programs are de­ signed to be self-sufficient study mate­ rials which the student reads outside of class. Topics covered in this volume in­ clude : entropy, the second law of ther­ modynamics and reversible and irrever­ sible heat transfer, reversible and irre­ versible mixing processes, entropy rela­ tionships for real materials, using the thermodynamic transformations to ex­ tend state-property data, diagrams which show both S and H, and the gen­ eral energv balance.

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