Exploring the Wet Mechanochemical Synthesis of Mg-Al, Ca-Al, Zn-Al and Cu-Al Layered Double Hydroxides from Oxides, Hydroxides and Basic Carbonates
Abstract
:1. Introduction
2. Materials and Methods
2.1. Milling Operation
2.2. Ageing Process
2.3. Mg-Al LDH
2.4. Ca-Al LDH
2.5. Zn-Al LDH
2.6. Cu-Al LDH
2.7. Material Characterisation
2.7.1. Particle Size Analysis (PSA)
2.7.2. Scanning Electron Microscopy (SEM)
2.7.3. X-ray Diffraction Analysis (XRD)
2.7.4. Fourier Transform Infrared Spectroscopy (FT-IR)
2.7.5. X-ray Fluorescence (XRF)
3. Results and Discussion
3.1. Particle Size Analysis
3.2. X-ray Fluorescence
3.3. X-ray Diffraction Analysis
3.4. Fourier Transform Infrared Spectroscopy
3.5. Scanning Electron Microscopy
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Sample | D10 [μm] | D50 [μm] | D90 [μm] |
---|---|---|---|
S1 | 2.35 | 7.79 | 17.6 |
S2 | 1.66 | 7.22 | 18.8 |
S3 | 1.98 | 7.84 | 23.6 |
S4 | 2.29 | 9.17 | 686 |
S5 | 1.71 | 4.13 | 10.5 |
S6 | 1.34 | 5.55 | 15.6 |
Sample | D10 [μm] | D50 [μm] | D90 [μm] |
---|---|---|---|
S1 | 0.962 | 3.39 | 6.21 |
S2 | 0.693 | 2.33 | 4.94 |
S3 | 0.594 | 1.70 | 36.9 |
S4 | 0.661 | 2.71 | 86.0 |
S5 | 0.77 | 2.51 | 4.83 |
S6 | 0.764 | 2.43 | 4.93 |
Sample | Expected MII:MIII Ratio | Calculated MII:MIII Ratio |
---|---|---|
S1 | 2.00: 1.00 | 2.00:1.04 |
S2 | 3.00:1.00 | 3.00:1.04 |
S3 | 2.00:1.00 | 2.00:1.09 |
S4 | 2.00:1.00 | 2.00:0.94 |
S5 | 1.00:1.00 | 1.00:1.01 |
S6 | 2.00:1.00 | 2.00:10.00 |
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Barnard, B.A.; Labuschagné, F.J.W.J. Exploring the Wet Mechanochemical Synthesis of Mg-Al, Ca-Al, Zn-Al and Cu-Al Layered Double Hydroxides from Oxides, Hydroxides and Basic Carbonates. Crystals 2020, 10, 954. https://doi.org/10.3390/cryst10100954
Barnard BA, Labuschagné FJWJ. Exploring the Wet Mechanochemical Synthesis of Mg-Al, Ca-Al, Zn-Al and Cu-Al Layered Double Hydroxides from Oxides, Hydroxides and Basic Carbonates. Crystals. 2020; 10(10):954. https://doi.org/10.3390/cryst10100954
Chicago/Turabian StyleBarnard, Brenda Antoinette, and Frederick Johannes Willem Jacobus Labuschagné. 2020. "Exploring the Wet Mechanochemical Synthesis of Mg-Al, Ca-Al, Zn-Al and Cu-Al Layered Double Hydroxides from Oxides, Hydroxides and Basic Carbonates" Crystals 10, no. 10: 954. https://doi.org/10.3390/cryst10100954