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Mar 2012

Volume 41, Issue 1, Articles (01xxxx)

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Energy Levels and Observed Spectral Lines of Neutral and Singly Ionized Titanium, Ti I and Ti II

E. B. Saloman

J. Phys. Chem. Ref. Data 41, 013101 (2012); http://dx.doi.org/10.1063/1.3656882 (116 pages)

Online Publication Date: 12 January 2012

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The energy levels and observed spectral lines of neutral and singly ionized titanium atoms have been compiled. Tables of energy levels and spectral lines are generated for each stage. Experimental g-factors and leading percentages are included when available. An experimental value for the ionization energy for each stage is provided.
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32.50.+d Fluorescence, phosphorescence (including quenching)
31.30.js Corrections to bound-electron g factor
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Wavelengths, Transition Probabilities, and Energy Levels for the Spectra of Strontium Ions (Sr II through Sr XXXVIII)

J. E. Sansonetti

J. Phys. Chem. Ref. Data 41, 013102 (2012); http://dx.doi.org/10.1063/1.3659413 (119 pages) | Cited 1 time

Online Publication Date: 2 February 2012

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Energy levels, with designations and uncertainties, have been compiled for the spectra of strontium (Z=38) ions from singly ionized to hydrogen-like. Wavelengths with classifications, intensities, and transition probabilities are also tabulated. In addition, ground states and ionization energies are listed. For many ionization stages experimental data are available; however for those for which only theoretical calculations or fitted values exist, these are reported. There are a few ionization stages for which only a calculated ionization potential is available.
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32.70.Cs Oscillator strengths, lifetimes, transition moments
32.50.+d Fluorescence, phosphorescence (including quenching)

IUPAC-NIST Solubility Data Series. 93. Potassium Sulfate in Water

Jitka Eysseltová and Roger Bouaziz

J. Phys. Chem. Ref. Data 41, 013103 (2012); http://dx.doi.org/10.1063/1.3679678 (48 pages)

Online Publication Date: 8 March 2012

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The solubility data for potassium sulfate in water are reviewed. All data were critically examined for their reliability. The best values were selected on the basis of critical evaluations and presented in tabular form. Fitting equations and plots are also provided. The quantities, units, and symbols used are in accord with IUPAC recommendations. The original data have been reported and, if necessary, transferred into the units and symbols recommended by IUPAC. The literature on solubility data was researched through 2010.
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64.75.Bc Solubility
01.30.Kj Handbooks, dictionaries, tables, and data compilations

IUPAC-NIST Solubility Data Series. 94. Rare Earth Metal Iodides and Bromides in Water and Aqueous Systems. Part 1. Iodides

Tomasz Mioduski, Cezary Gumiński, and Dewen Zeng

J. Phys. Chem. Ref. Data 41, 013104 (2012); http://dx.doi.org/10.1063/1.3682093 (63 pages) | Cited 2 times

Online Publication Date: 19 March 2012

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This work presents solubility data for rare earth metal iodides in water and in aqueous ternary systems. Compilations of all available experimental data are introduced for each rare earth metal iodide with a corresponding critical evaluation. Every such evaluation contains a tabulated collection of all solubility results in water, a selection of suggested solubility data and a brief discussion of the multicomponent systems. Because the ternary systems were almost never studied more than once, no critical evaluations of such data were possible. Only simple iodides (no complexes) are treated as the input substances in this work. The literature has been covered through the middle of 2011.
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64.75.Bc Solubility
01.30.Kj Handbooks, dictionaries, tables, and data compilations

IUPAC-NIST Solubility Data Series. 95. Alkaline Earth Carbonates in Aqueous Systems. Part 1. Introduction, Be and Mg

Alex De Visscher, Jan Vanderdeelen, Erich Königsberger, Bulat R. Churagulov, Masami Ichikuni, and Makoto Tsurumi

J. Phys. Chem. Ref. Data 41, 013105 (2012); http://dx.doi.org/10.1063/1.3675992 (67 pages) | Cited 2 times

Online Publication Date: 27 March 2012

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The alkaline earth carbonates are an important class of minerals. This volume compiles and critically evaluates solubility data of the alkaline earth carbonates in water and in simple aqueous electrolyte solutions. Part 1, the present paper, outlines the procedure adopted in this volume in detail, and presents the beryllium and magnesium carbonates. For the minerals magnesite (MgCO3), nesquehonite (MgCO3·3H2O), and lansfordite (MgCO3·5H2O), a critical evaluation is presented based on curve fits to empirical and/or thermodynamic models. Useful side products of the compilation and evaluation of the data outlined in the introduction are new relationships for the Henry constant of CO2 with Sechenov parameters, and for various equilibria in the aqueous phase including the dissociation constants of CO2(aq) and the stability constant of the ion pair MCO30(aq) (M = alkaline earth metal). Thermodynamic data of the alkaline earth carbonates consistent with two thermodynamic model variants are proposed. The model variant that describes the Mg2+-HCO3- ion interaction with Pitzer parameters was more consistent with the solubility data and with other thermodynamic data than the model variant that described the interaction with a stability constant.
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64.75.Bc Solubility
65.40.gk Electrochemical properties
01.30.Kj Handbooks, dictionaries, tables, and data compilations
91.60.-x Physical properties of rocks and minerals
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