Semi-empiricalv8.Iues of the natural widths of K, L I' L2 and L:l levels, Kat and Kaz x-ray lines, and KL~l' KL~2 and KL~3 Auger lines for the dements 10 :s: Z :s: 110 are presented in tables and graphs. Level width fi (i = K, L 1 , L 2 , L 3) is obtained from the relation r i = rn,;lw;, using the the•oretical radiative rate rl{.i from Scofield's relativistic, relaxed Hartree-Fock calculation and the fluorescence yield Wi from Krause's evaluation. X-ray and Auger line widths are calculated as the sums of pertinent level widths. This tabulation of natural level and line widths is internally consistent, and is compatible with all relevant experimental and theoretical informatibn. Present semi-empirical widths, especially those of Ka 1 and Kaz x-rays, are compared with measured widths. Uncertainties of semi-empirical values are estimated.
Np(V) sulfate /Aqueous complex /Stability constants
AbstractThe stability constant of the monosulfate complex of Np(V) has been measured at ionic strengths of /= 0.5, 1.0 and 2.0 and at temperatures of 5, 25 and 45 °C. Entropy and enthalpy values for the process of complex formation have been shown to have relatively large positive values. Inner sphere complexing appears to be supported by these measurements.
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