| DETERMINATION OF SOLUBILITY OF Fe_2O_3 IN DILUTE AQUEOUS SOLUTIONS AT 300℃ AND 10 MPa——APPENDING A DISCUSSION ABOUT THE TRANSPORTING FORM OF IRON IN HYDROTHERMAL SOLUTIONS |
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| 引用本文： | 曾贻善,艾瑞英,陈月团.DETERMINATION OF SOLUBILITY OF Fe_2O_3 IN DILUTE AQUEOUS SOLUTIONS AT 300℃ AND 10 MPa——APPENDING A DISCUSSION ABOUT THE TRANSPORTING FORM OF IRON IN HYDROTHERMAL SOLUTIONS[J].中国科学B辑(英文版),1986(11). |
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| 作者姓名： | 曾贻善 艾瑞英 陈月团 |
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| 作者单位： | Department of Geology，Peking University，Department of Geology，Peking University，Department of Geology，Peking University |
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| 摘 要： | The solubility of Fe_2O_3 in dilute KOH and HClO_4 aqueous solutions was determined at 300℃ and 10 MPa. The analysis of the solubility data indicated that in neutral and alkaline hydrothermal solutions iron mostly existed as Fe(OH)_3~0 and Fe(OH)_4~-, and it was calculated that △G_(Fe(OH)_3~0)~0=-561.9±3.3kJ/mol, and △G_(Fe(OH)_4~0)~0=-662.7±5.0 kJ/mol at 300℃. According to the analysis on the previous experimental studies about the transporting form of iron, the existing form of iron in hydrothermal solutions is discussed in this paper.
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