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Table 19 Compositions of Al/Fe-monosulfate after synthesis at 20°C equilibrated for 680 days in supersaturated condition. ....................................................................... 85 Table 20 Solubility products of all the solids formed during the synthesis of Al/Femonosulfate solid solution series at 20 °C equilibrated for 680 days under supersaturated condition. .......................................................................................... 87 Table 21 Refined structural parameters of 3CaO.Fe2O3.CaCl2.10H2O (standard deviation is given in parentheses). ............................................................................ 97 Table 22 Measured ion concentrations and calculated solubility products at 20 °C and sampled after different equilibration times synthesized from FeCl3.6H2O and CaO in 0.1M K OH. ................................................................................................ 102 Table 23 Measured ion concentrations and calculated solubility products at 20 and 50°C and sampled after different equilibration times synthesized from C2F, CaCl2.2H2O and CaO in distilled water and in 0.1 M KOH. .................................. 102 Table 24 Thermodynamic parameters of Friedel’s salt at standard conditions (25 °C, 1 atm). ........................................................................................................................ 104 Table 25 Compositions of Al/Fe-Friedel’s salt synthesized at 20°C and equilibrated for 270 days under supersaturated condition. ......................................................... 105 Table 26 Measured ion concentrations at different equilibration times in 0.1 M KOH . 114 Table 27 Thermodynamic parameters at standard conditions determined in this study (25°C, 1 atm). .......................................................................................................... 116 Table 28 Measured concentration of mixed C3AH6-C3FH6 systems equilibrated for three years ............................................................................................................... 121 Table 29 Measured ion concentrations in the solution of solids synthesized at 110°C and re dissolved and equilibrated for 4 months at 20 °C and 50 °C. ...................... 126 Table 30 Refined structure parameters of Fe siliceous hydrogarnet (standards deviation are indicated in parentheses). .................................................................. 133 Table 31 Measured ion concentrations of solids synthesized at 110 °C (re dissolved and equilibrated for 4 months at 20 °C and 50 °C) and at 20 °C(equilibrated for 3 years under oversaturated condition). ..................................................................... 134 Table 32 Measured ion concentration of Ca3(AlxFe1-x)2(SiO4)(OH)8 equilibrated for four months from dissolution (undersaturation) experiment. ................................. 140 Table 33 Summary of the results obtained in chapter 3 and comparison with their Alanalogues. ................................................................................................................ 146 Table 34 Relative weights of Fe-containing phases in hydrated OPC at 20 °C and 50 °C obtained from LC fitting. ................................................................................... 165 ii
Table 35 Relative weights of Fe-containing phases in HS hydrated at 20 °C and 50 °C obtained from LC fitting. ........................................................................................ 166 iii
Page 1: Fe-containing hydrates and their fa
Page 4 and 5: The measured composition of the liq
Page 6 and 7: ZUSAMMENFASSUNG Thermodynamische Mo
Page 8 and 9: konnten die Fe-haltigen Hydrate im
Page 10 and 11: I owe to thank all the laboratory t
Page 14 and 15: LIST OF FIGURES Fig. 1 Calculated v
Page 16 and 17: Fig. 34 Calculated solubility produ
Page 18 and 19: Fig. 62 Calculated solubility produ
Page 20 and 21: Table of Contents TABLE OF CONTENTS
Page 22 and 23: TABLE OF CONTENTS 3. SYNTHETIC FE
Page 24 and 25: TABLE OF CONTENTS 3.5.4. Solid solu
Page 26 and 27: 1 INTRODUCTION CHAPTER 1 INTRODUCTI
Page 28 and 29: CHAPTER 1 INTRODUCTION be formed. T
Page 30 and 31: cm 3 /100 g cement 85 80 75 70 65 6
Page 32 and 33: CHAPTER 1 INTRODUCTION 1.4 Characte
Page 34 and 35: CHAPTER 1 INTRODUCTION Fig. 4 Sampl
Page 36 and 37: CHAPTER 1 INTRODUCTION Identificat
Page 38 and 39: CHAPTER 2 MATERIALS AND METHODS han
Page 40 and 41: 3CaOAl2O3 + 6H2O → 3CaOAl2O36H2O
Page 42 and 43: CHAPTER 2 MATERIALS AND METHODS Tab
Page 44 and 45: CHAPTER 2 MATERIALS AND METHODS 2.2
Page 46 and 47: CHAPTER 2 MATERIALS AND METHODS fil
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Page 54 and 55: CHAPTER 2 MATERIALS AND METHODS Tab
Page 56 and 57: CHAPTER 2 MATERIALS AND METHODS 2.3
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Page 60 and 61: CHAPTER 3 SYNTHETIC FE-CONTAINING H
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CHAPTER 3 SYNTHETIC FE-CONTAINING H
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a). b). CHAPTER 3 SYNTHETIC FE-CONT
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o layer thickness (A) 8.0 7.8 7.6 C
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Phase log KSo CHAPTER 3 SYNTHETIC F
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volume [cm 3 ] 700 600 500 400 300
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Intensity [arb. units] Fe-Fr CHAPTE
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CHAPTER 4 FE-CONTAINING HYDRATES IN
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(Al+Fe)/Ca (Al+Fe)/Ca 0.8 0.6 0.4 0
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k 3 (k) CHAPTER 4 FE-CONTAINING HYD
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differentiated relative weight Weig
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Early reaction CHAPTER 4 FE-CONTAIN
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weight loss in % differentiated rel
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5. GENERAL CONCLUSION AND OUTLOOK a
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Speciation of iron(III) in hydrated
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5. GENERAL CONCLUSION AND OUTLOOK
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Techniques XRD X-ray diffraction TG
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APPENDIX APPENDIX Appendix A: Addit
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Intensity (arb. Units) P Fe 2O 3 R
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APPENDIX Appendix B7 XRD patterns o
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REFERENCES REFRENCES [1] H.F.W. Tay
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REFRENCES [29] M. Vespa, R. Dähn,
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REFRENCES [54] M. Balonis, B. Lothe
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REFRENCES [81] H.F.W. Taylor, Cryst
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REFRENCES [107] K. Kyritsis, N. Mel
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REFRENCES [134] M. Wilke, F. Farges
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CURRCULUM VITAE Curriculum Vitae Na
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