By Petr Zuman
During the 40 years that have handed due to the fact Masuzo Shikata released his paper at the relief of nitrobenzene at a losing mercury electrode, the variety of polarographic reports of natural compounds within the literature has risen to a number of hundreds of thousands. The ever expanding volume of experimental facts used to be wanting a few unified approach to class which might yield unambiguous and doubtless entire details at the polarographic habit of natural elements. Dr. Zuman's publication offers an unique try and meet this want through supplying a approach in line with correlations among the polaro photo half-wave potentials of natural depolarizers and their Hammett constants. I contemplate this a truly satisfied belief, for, greater than the other ebook but written, it brings polarography closer to the natural chemist; and it'll absolutely persuade him that, in its software to his topic, the strategy is greater than an insignificant analytical device. the writer rarely wishes any creation. in the course of decades of analysis within the box of natural polarography, he has released a variety of papers on a number of difficulties; his most up-to-date curiosity is the applying of the Hammett-Taft equation to polarographic degree ments, during which he has performed pioneering paintings. It is still for me to pray that this booklet, which opens up new clients for the fruitful program of polarography, could encourage vii viii Foreword a few reader with precious principles in his look for new paths in his learn problems.
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Additional info for Substituent Effects in Organic Polarography
Zuman, Collection Czech. Chem. Commun. 25: 3225 (1960). 33 P. Zuman, Chem. Listy 54: 1244 (1960); J. Polarograph. Soc. 7: 66 (1961). 34 P. Zuman, Ricerca Sci. 30: Supp!. 229 (1960) (Contributi teor. sper. ' V). 351. Volke, Chem. Listy 52: 16 (1958). 36 F. Sorm, Chem. Obzor 18: 213 (1943). 371. Volke, Chem. Listy 51: 414 (1957). 38 G. Giacometti and A. Del Marco, Atti. Accad. Lincei [8J 14: 511 (1953). 39 E. Knobloch and E. Svatek, Chem. Listy 49: 37 (1955); Collection Czech. Chem. Commun. 20: 1113 (1955).
30: Suppl. 205 (1960) (Contributi teor. sper. polarografia, Vol. V). 18 H. W. Niirnberger, Angew. Chern. 72: 433 (1960). 19 P. J. Elving, "Polarography in Organic Analysis," in Progress in Polarography, Vol. II, p. 625, edited by P. Zuman and I. M. , New York, 1961. 20 Ju. P. Kitajev and G. K. Budnikov, Uspechi Khim. 31 : 670 (1962). 21 P. Zuman, Chern. Listy 48: 94 (1954). 11. References 21 22 L. P. Hammett, Chem. Rev. 17: 125 (1935). 23 L. P. Hammett, "Physical Organic Chemistry," p. , New York, 1940.
Chern. 3: 134 (1953). 12 P. 1. Elving, "Application of Polarography to Organic Analysis," in Organic Analysis, Vol. II, p. 195, edited by J. , New York, 1954. 13 C. Prevost and P. Souchay, Chirn. Anal. 37: 3 (1955). 14 I. A. Korshunov, Zavod. Lab. 24: 543 (1958). 15 J. Tirouftet and E. Laviron, Ricerca Sci. 29: Suppl. 189 (1959) (Contributi teor. sper. polarografia, Vol. IV). 161. Tirouftet and R. Dabard, Ricerca Sci. 29: Suppl. 211 (1959) (Contributi teor. sper. polarografia, Vol. IV). 17 P. J.
Substituent Effects in Organic Polarography by Petr Zuman