Fluorescence analysis in ultraviolet light

ronverlirnt metlmls fur prt:purirlg rr wide vlriety of ormnir chemical reagents. All the reactions discussed have been care- fully checked and tested ...
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JOURNAL O F CHEMICAL EDUCATION ORGANIC SYNTHESES. VOLUME 3 4

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Edited by William S. Johnson. John W h y and Sons, Inc., New York, 1954. vi 121 pp. 15.5 X 23.5 cm. $3.50.

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committee of the Optical Society of America. Also, the term "fluorescimeter" seems preferable to "fluorimeter," as the latter might imply an instrument to determine fluorine. Altogether, this monograph seems most valuable as a. reference source showing the large number of interesting applicrttions of fluorescence phenomena.

Tnrs lnde~t,addition t o the well known annual series brines togrtlwr t l ~ ework of 02 rontril,utorr and dtxtlr; s i t n RC importnnt synrl~c~ne~. h l u m c :it, like the previous volunita, contnins the M. G. MELLON ~ w s ronverlirnt r metlmls fur prt:purirlg rr wide vlriety of ormnir chemical reagents. All the reactions discussed have been carefully checked and tested by leading chemists throughout the country. This volume again gives the equations for the reactions and procedures for production with accompanying notes BASIC GENERAL CHEMISTRY IN OUTLINE FORM 0 and other methods of preparation. Preparations are listed under common names and Chemical E. L. Haeniscb, Professor of Chemistry, Wabash Cdlege, and Abstract names for: 2-p-acetylphenylhydroquinone,azelanitrile, G. N. Quam, Professor of Chemistry, Villanova College. Fifth 8-(o-carboxyphenyl)propionio acid, oetylmalonio ester, 2-chloro- edition. Burgess Publishing Co., Minneapolis, 1953. v 285 l,l,2-trifluoroethyl ethyl ether, cyoloheptanone, cycloheptanone, pp. Many figs.end tables. 22 X 27 om. Paper bound. $4. di-lert-butyl malonrtte, 3,4dihydro3-methoxy-4methyl-2H-pyTMUSE who tmeh clcment,try rl~tw~iatry fare n formidnhlc task, ran, 9,lO-dihydrophenanthrene,p,p'-dinitrobibenzyl, 1,4dinitrobutane, dimethylfuraaen, diphenylacetylnne, diphenyl suc- iorrunnfely halawed h v equally g n w ne.s~lwtirnnrl intelle~tual cinate, ethoxyscetylene, ethyl chlorofluoroacetate, ethyl enanthyl- ren.srrlr. \ n d m-rlnna tlw c r r x t w tliffivulty whirh f w w t11we succinate, ethyl 8, 8-pentamethyleneglycidate, hemimellitene, charged with the responsibifity of instructing neophytes in the o-methylheneyl alcohol, 2-methylhenzyldimethylamine, N- art and science of chemistry ia how t o best aid them in efficiently, methyl-1,2-diphenylethylamine and hydrochloride, methyliso- intelligently, and effectively studying their subject. Usually, since they are freshmen, they are eager enough to urea. hydrochloride, 3-methyl-1,5-pentanediol, 3-methylthiophene, phenanthrenequinone, l-phenylpiperidine, o-phthaldehyde, learn; but very quickly many become disillusioned simply sodium@-styrenesulfonateand 8-styrenesulfanyl chloride, tetralin because they start out on the wrong foot-trying t o memorize hydroperoxide, ptoluenesulfinyl chloride, p-tolylsulfonylmethyl- everything the book states and the instructor says, failing to see, or even to look for any logical odder whatsoever. T h ~ s efitudents nitrasamide, and o-xylylene dihromide. The cumulative subject index comprises all material contained badly need some way to determine what is important and what is in Volumes 30 t o 34 inclusive, all previous preparations having explanatory in nature and therefore safely forgotten once the been tabulated in Collective Volumes 1 and 2, and Volume 29. principle illustrated is well in mind in its proper ordered place. The text in review will certainly help the bewildered student to I t is hardly necessary to elaborate on the value and service rendered by these unique volumes. They remain supreme among distinguish the important from theunimportant and to place the American releases of their type. Organic chemists have learned several independent concept6 and principles in an ordered whole. to purchase each volume almost by habit. This latest volume It is more than just a handhook t o help the student salve prahagain conforms completely in size, style, appearance, and quality lems; it is a complete outline of the material discussed in an elementary course in chemistry. The topical order conforms well with all previous releases in the series. enough with m y typical text of general chemistry to he useful. In those cases where the order of presentation varies considerably from that used by s. text, the enterprising student will have no difficulty in using the assistance offered by the outline. It would seem that the outline could be used as the primary aid t o a text, much as the prohlem-solving handbooks are now used, hut to greater advantage; or the outline could itself serve in place of FLUORESCENCE ANALYSIS IN ULTRAVIOLET LIGHT a text, the students being referred to a standard text for further 0 J. A. Rodley and Julius Grant. Fourth edition. D. Van Nos- information. The six appendixes include either s. text-like or trand Company, Inc., New York, 1954. xvi 560 pp. Illus- tabular presentation of exponential hotittion, approximate answers, how t o use a. slide rule, atomic weights, valences of the trated. 14.5 X 22 cm. $12. very common elements, ete. The hook is printed legibly and THIS new edition of a well known work seems well justified. neatly by the photo offset process; i t is hound with a wire spiral. The decade and a. half since the third edition brought many im- Because of its great potential usefulness to every freshman provements in apparatus, technique, and appliestions. T o chemistry student, it seems a pity that the price is only a little incorporate all the necessary changes necessitated extensive less than that of the standard text which the student should also rewriting and considerable addition of now material. The buy. But, on the other hand, if we consider this same utility as a ~vealthof original literature now covered on this kind of fluor- purchasable commodity, our students have a bargain here, indeed. escence analysis is shown by some 3500 references cited. The five chapters af Part I (111 pp.) deal chiefly with tho technique of producing ultraviolet radiant energy, isolating certain spectral regions, measuring its intensity, and applying it for snslytiesl purposes. As might he expected, British instruments arc emphasized. Then the twenty chapters of Part I1 (413 pp.) deal mith a LABORATORY PRACTICE OF GENERAL CHEMvariety of applications ranging from agriculture to waters. 0 ISTRY Fundamentally, most of these kinds oi application are either qualitative or quantitative. In the former, the occurrence of G. N. Quom, Professor of Chemistry, Villanova College, and fluorescence under given conditions is (usually) taken to indicate E. L. Haenisch, Professor of Chemistry, Wabash College. the presence of some substance. I n the latter, the intensity of Fourth edition. Burgess Publishing Co., Minneapolis, 1954. the emitted light is taken as a measure of the amount of a. desired viii 170 pp. 22 X 27 cm. Paper bound. $3. constituent. Forty-five photographic prints (black and white) are included. THE authors w e r t that the laboratory is the proving ground The reviewer prefers to limit the word "light" to the visible for the student. I t is certain that this manual will be as effective region of the spectrum, as recommended by the colorimetry in accomplishing the aims implicit in this assertion as any other ~

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