Table 2.
Chemical composition of HnMn′-Ca2Al-LDH samples.
| sample | Ca (wt %) | Al (wt %) | C (wt %) | Ca/Al | H2O (wt %) | chemical composition |
| HALS-Ca2Al | 14.4 | 5.1 | 28.6 | 2.0 | 12.2 | Ca0.67Al0.33(OH)2(HALS)0.33·1.1H2O |
| MP-Ca2Al | 12.9 | 3.5 | 31.4 | 2.1 | 7.3 | Ca0.68Al0.32(OH)2(MP)0.32·0.85H2O |
| H2M1-Ca2Al | 15.8 | 3.8 | 29.1 | 2.3 | 8.4 | Ca0.7Al0.3(OH)2(HALS)0.2(MP)0.1·0.68H2O |
| H1M1-Ca2Al | 14.5 | 3.7 | 30.2 | 2.2 | 7.5 | Ca0.69Al0.31(OH)2(HALS)0.15(MP)0.16·0.72H2O |
| H1M2-Ca2Al | 14.9 | 3.3 | 31.6 | 2.3 | 9.4 | Ca0.7Al0.3(OH)2(HALS)0.1(MP)0.2·0.83H2O |
| H1M3-Ca2Al | 16.5 | 3.9 | 29.5 | 2.5 | 8.0 | Ca0.72Al0.28(OH)2(HALS)0.07(MP)0.21·0.66H2O |