Download Spectroscopy and Photochemistry of Uranyl Compounds by Eugene Rabinowitch, R. Linn Belford, J. V. Dunworth PDF

By Eugene Rabinowitch, R. Linn Belford, J. V. Dunworth

Spectroscopy and Photochemistry of Uranyl Compounds is a consultant to the examine and physics of the actinide components, quite the uranyl ion. The publication is brought with the topic of the spectroscopy of uranyl salts within the good nation. stories facing the fluorescence and absorption spectra of good uranyl salts via band measurements and empirical type, time period research, and fluorescence spectrum when it comes to excitation by way of mild of assorted wavelengths are then mentioned.
The e-book additionally mentions the research of the uranyl spectrum by means of Dieke and associates, as a result of the targeted measurements of the fluorescence and absorption bands got below the new york undertaking. The desk decided by way of Pant and Sakhwalkar of their examine of the florescence spectrum of sturdy, hydrated uranyl fluoride at -185 levels centigrade is gifted. The textual content additionally discusses the speculation of digital constitution and spectra of the uranyl ion. The spectroscopy of uranyl compounds in answer and the uranyl fluorescence depth and rot are then provided. The booklet then explains the method of measuring the depth of slowly decaying florescence of uranyl salts. the first photochemical reactions in uranyl compounds are came upon to be gradual, giving upward thrust to many secondary thermal reactions that could be undesirable.
Researchers within the fields of chemistry and physics engaged on actinide components will locate this choice of monographs precious.

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Additional info for Spectroscopy and Photochemistry of Uranyl Compounds

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Figures in braces are alternative assignments. 2565§ 2347 2457 2538 2312 2119 2092 (^^^4 2^2"^ ^^^^ (2086 2101 2092 2294* ^"^^ 2494 2488 2538 2524 2571 2553 2519 2513 2591 2591 2571 2564 2558 2567§ 2564 2281 Í2263 2299 2090 1787 calc. 2Η2θ 1783 obs. 2292* 2053Í 2309 ^^^^ 2066 2088 1755 calc. i 1783 1786 1779 1772 1770 1773 1795 1790 1799 1792 1845 1840* 1828 1831* 1832 1831* 1828 1824§ 1835 1825§ 1898 1902 1898 1902 1934 1942 1957 1955 Í2017 Í1987 2004 2004 1969 1967 1976 1980 12023 ^^'^ 11982 1764 obs.

Fluorides Pant and Sakhwalkar (1944) made a study of the fluorescence spectrum of solid, hydrated uranyl fluoride at - 1 8 5 ° C . They assumed that the simplest vibrational structure of any uranyl salt can be expected in fluoride. 11 for the main fluorescence bands (italic indicates intensity). 11 within ± 1 0 c m - i . The ^ 1 band (20,082 c m - i ) is the resonance band. Some combinations in the table are prohibited, but as mentioned before, the exclusion rules are not strict. Excitation with short waves {y^^^ > 27,000 cm-^) produced n o hnes with V > 20,234 cm-^; this means that all vibrational quanta of the excited state, except one, are lost before the emission of fluorescence (the remaining quantum gives rise to the "anti-Stokes" band series in the first row of the table).

Some combinations in the table are prohibited, but as mentioned before, the exclusion rules are not strict. Excitation with short waves {y^^^ > 27,000 cm-^) produced n o hnes with V > 20,234 cm-^; this means that all vibrational quanta of the excited state, except one, are lost before the emission of fluorescence (the remaining quantum gives rise to the "anti-Stokes" band series in the first row of the table). TABLE 1 . 1 1 . FREQUENCIES (IN cm-^) OF FLUORESCENCE BANDS OF U O 2 F 2 A T - 1 8 5 ° C Group Series 1 A Β C D Ε 20,234 20,082 ...

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