| INTERNATIONAL UNION OF PURE AND APPLIED CHEMISTRY |
| ANALYTICAL CHEMISTRY DIVISION |
| COMMISSION ON SOLUBILITY DATA |
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| SOLUBILITY DATA SERIES |
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| Editor-in-Chief |
| A. S. KERTES |
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| VOLUME 40 |
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HALIDES, OXYHALIDES AND SALTS OF HALOGEN COMPLEXES OF
TITANIUM, ZIRCONIUM, HAFNIUM, VANADIUM, NIOBIUM AND TANTALUM |
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| Volume Editors |
| JIRI HALA | J. E. Purkyne University, Brno, Czechoslovakia |
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| Co-Editors |
| SUSAN A. JOHNSON | Emory University, Atlanta, GA USA |
| TAKASHI OSHIBA | Showa Denko Co., Ltd., Tokyo, JAPAN |
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| Contributors |
| H. LAWRENCE CLEVER | Emory University, Atlanta, GA USA |
| MARK SALOMON | US Army ERADCOM, Fort Monmouth, NJ USA |
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| Copyright © 1989 International Union of Pure and Applied Chemistry |
| TABLE OF CONTENTS |
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| Contents | v |
| Preface | vii |
| Foreword | ix |
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| Aviezer Stevan Kertes : A Personal Appreciation. Y. Marcus | x |
| Publications of A. S. Kertes | xv |
| Introduction to the Solubility of Solids in Liquids | xxv |
| Acknowledgement | xxxv |
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| The solubility of titanium halide and oxyhalide substances | 1 |
| | 1.1 | Titanium fluoride | 2 |
| | 1.2 | Salts of hexafluorotitanate (2-) | 4 |
| | | Evaluation of K2TiF6 + H2O system | 13 |
| | 1.3 | Titanium chloride, dichloride | 26 |
| | | Titanium chloride, trichloride | 28 |
| | | Titanium chloride, tetrachlodide | 33 |
| | 1.4 | Dichlorooxotitanium | 40 |
| | 1.5 | Salts of pentachlorotitanate (2-) | 42 |
| | 1.6 | Salts of hexachlorotitanate (2-) | 46 |
| | 1.7 | Titanium bromide | 51 |
| | 1.8 | Titanium iodide | 58 |
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| The solubility of zirconium halide and oxyhalide substances | 59 |
| | 2.1 | Zirconium fluoride | 60 |
| | | Evaluation of ZrF4 + HF + H2Osystem | 61 |
| | 2.2 | Salts of pentafluorozirconate (1-) | 74 |
| | 2.3 | Salts of hexafluorozirconate (2-) | 81 |
| | | Evaluation of K2ZrF6 + HF + H2O system | 84 |
| | 2.4 | Salts of heptafluorozirconate (3-) | 99 |
| | | Evaluation of (NH4)3ZrF7 + H2O system | 99 |
| | | Evaluation of (NH4)3ZrF7 + NH4F + H2O system | 102 |
| | 2.5 | Zirconium chloride | 107 |
| | 2.6 | Dichlorooxozirconium | 111 |
| | | Evaluation of ZrOc12 + HCl + H2O system | 112 |
| | 2.7 | Salts of hexachlorozirconate (2-) | 142 |
| | 2.8 | Zirconium bromide | 146 |
| | 2.9 | Dibromooxozirconium | 148 |
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| The solubility of hafnium halide and oxyhalide substances | 149 |
| | 3.1 | Hafnium fluoride | 150 |
| | | Evaluation of HfF4 + HF + H2O system | 150 |
| | 3.2 | Salts of pentafluorohafnate (1-) | 159 |
| | 3.3 | Salts of hexafluorohafnate (2-) | 162 |
| | | Evaluation of K2HfF6 + H2O system | 163 |
| | | Evaluation of Rb2HfF6 + H2O system | 168 |
| | | Evaluation of Cs2HfF6 + H2O system | 171 |
| | 3.4 | Salts of heptafluorohafnate (3-) | 174 |
| | 3.5 | Hafnium chloride | 176 |
| | 3.6 | Dichlorooxohafnium | 178 |
| | | Evaluation of HfOC12 + HCl + H2O system | 180 |
| | 3.7 | Salts of hexachlorohafnate (2-) | 209 |
| | 3.8 | Hafnium bromide | 213 |
| | 3.9 | Dibromooxohafnium | 216 |
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| The solubility of vanadium halide and oxyhalide substances | 217 |
| | 4.1 | Vanadium fluoride | 218 |
| | 4.2 | Difluorooxovanadium | 219 |
| | 4.3 | Trifluorooxovanadium | 221 |
| | 4.4 | Vanadium chloride, dichloro | 223 |
| | | Vanadium chloride, trichloro | 224 |
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| The solubility of niobium halide and oxyhalide substances | 225 |
| | 5.1 | Niobium fluoride | 226 |
| | 5.2 | Niobium fluoride oxide | 230 |
| | | Evaluation of NbO2F + HF + H2O system | 230 |
| | 5.3 | Salts of hexafluoroniobate (1-) | 237 |
| | 5.4 | Salts of heptafluoroniobate (2-) | 239 |
| | 5.5 | Salts of hexafluorooxoniobate (2-) | 244 |
| | 5.6 | Salts of hexachloroniobate (1-) | 245 |
| | 5.7 | Niobium chloride, tetrachloro | 247 |
| | | Niobium chloride, pentachloro | 248 |
| | | Evaluation of NbCl5 + TiCl4 system | 253 |
| | 5.8 | Niobium chloride oxide | 260 |
| | | Evaluation of NbOCl3 + NbCl 5 system | 260 |
| | 5.9 | Niobium bromide | 264 |
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| The solubility of tantalum halide and oxyhalide substances | 265 |
| | 6.1 | Tantalum fluoride | 266 |
| | 6.2 | Salts of hexafluorotantalate (1-) | 270 |
| | 6.3 | Salts of heptafluorotantalate (2-) | 272 |
| | | Evaluation of K2TaF7 + HF + H2O system | 272 |
| | 6.4 | Salts of octafluorotantalate (3-) | 285 |
| | 6.5 | Tantalum chloride, tetrachloro | 286 |
| | | Tantalum chloride, pentachloro | 287 |
| | | Evaluation of TaCl5 + TiCl4 system | 298 |
| | 6.6 | Salts of hexachlorotantalate (1-) | 306 |
| | 6.7 | Tantalum bromide | 308 |
| | 6.8 | Tantalum iodide | 311 |
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| System index | 312 |
| Registry number index | 320 |
| Author index | 327 |
| Solubility Data Series: Published and Forthcoming Volumes | 324 |