By P Zuman (auth.), P Zuman (eds.)
Even even though the nwnber of requests for reprints and the variety of quotations within the technological know-how quotation Index has indicated an ever-increasing curiosity in themes of natural polarography, i've got usually felt that the explanation that a few paintings is much less recognized might be as the papers have been released in much less obtainable journals. for that reason, i used to be happy whilst i used to be requested to arrange a variety of my papers on natural polarography for reprinting. This selection of papers could point out a number of the percentages provided via polarography within the research of houses of natural compounds. the truth that the papers are released in a single quantity, not just makes the knowledge extra simply obtainable for the reader, but in addition allows an immediate comparability of similar subject matters. The mode of choice is mentioned within the advent. The papers reprinted during this quantity are as a rule in response to paintings performed within the J. Heyrovsky Institute of Polarography of the Czechoslovak Academy of Sciences in Prague, in cooperation with my co-workers. i want to take this chance of thanking them all for the excitement I received from this cooperation at the resolution of various difficulties of natural electrochemistry .
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Am. Chern. Soc. 74, 1290 (1952). : Z. Elektrochem 57,301 (1953). : Ann. Chim. (Roma) 44, 356 (1954). : Chimie Anal. (Paris) 37,3 (195S). Elving P. , Leone J. : J. Am. Chern. Soc. 80, 1021 (1958). , Powers R. , Day R. A. : J. Am. Chern. Soc. 80, 5284 (1958). : Rev. Polarog. (Kyoto) 6,124 (1958); 7,12 (1959). : Z. Elektrochem. 63, 166 (1959). Powers R. , Day R. : J. Am. Chern. Soc. 81,808 (1959). : Naturwissenschaften 47,514 (1960). : J. Electrochem. Soc. 107, 537 (1960). , Elving P. : J. Phys. Chern.
28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. Baker J. , Davies W. , Hemming M. : J. Chern. Soc. 1940, 692. : Helv. Chim. Acta 31, 753 (1948). : This Joumal13, 229 (1948). Day R. A. , Milliken S. • Shults W. : J. Am. Chern. Soc. 74, 2741 (1952). Coulson D. , Crowell W. : J. Am. Chern. Soc. 74, 1290 (1952). : Z. Elektrochem 57,301 (1953). : Ann. Chim. (Roma) 44, 356 (1954). : Chimie Anal. (Paris) 37,3 (195S). Elving P. , Leone J. : J. Am. Chern. Soc. 80, 1021 (1958).
They differ not only in the shape of the waves and their potentials. but also in the number of waves observed. e. ) and with a comparable current density, the curves recorded with a stirred pool electrode are quite reproducible. TABLE VIII Factors Used in the Identification of the Products of Electrolysis using a Mercury Pool Electrode log i = f (t) (linearity) Waves of products Identification of products [methods given in Table VI, (I) (b)] (4) Changes in the height of the more negative wave (5) Quantitative yields (6) i - E curves with a stirred pool electrode (I) (2) (3) IDENTIFICATION OF ELECfROLYSIS PRODUCTS AFTER ISOLATION For preparative purposes, when the electrolY3is products are to be isolated from the solution, mercury pool eloctrodes are usually used and the electrolysis is carried out at 28 higher concentrations of the electrolysed substance - O'OlM or even more.