Research Article
Synthesis of Organic-Inorganic Hybrid Material with a Synergistic Interface as a Release Agent for Free Acid β-Hydroxy-β-Methyl Butyrate
Table 1
XPS quantitative results for HMB, ZnAl, and ZnAl/HMB (BE values are corrected with contamination carbon as reference at 284.60 eV).
| | Peak | BE | FWHM | Atomic (%) | Chemical state |
| | HMB | | C1s A | 284.5 | 1.7 | 25.7 | C-C | | C1s B | 286 | 1.7 | 15.7 | C-O | | C1s C | 288.3 | 1.7 | 21.6 | Carboxyl O-C=O | | O1s A | 531.3 | 1.9 | 25.2 | OH | | O1s B | 532.8 | 1.9 | 12.7 | Adsorbed H2O | | O1s C | 535.2 | 1.9 | 6.6 | Carboxyl O-C=O | | Na 1s | 1070.9 | 1.9 | 11.9 | Na+ | | ZnAl | | C1s A | 284.5 | 2.2 | 6.6 | C-C | | C1s B | 287.5 | 2.2 | 5.5 | C-O | | O1s A | 530.1 | 1.9 | 5.8 | Oxides | | O1s B | 531.6 | 1.9 | 41.6 | OH | | O1s C | 533.2 | 1.9 | 9.6 | Nitrates | | N1s | 406.7 | 1.8 | 2.4 | Nitrates | | Zn2p | 1021.4 | 2.5 | 22.5 | Zn2+ | | Al2p | 73.9 | 2.2 | 5.9 | AlO(OH) | | ZnAl/HMB | | C1s A | 284.5 | 2.6 | 9.4 | C-C | | C1s B | 287.7 | 2.6 | 5.5 | C-O | | O1s A | 530.5 | 1.9 | 17.2 | Oxides | | O1s B | 532 | 1.9 | 33.5 | OH | | O1s C | 533.4 | 1.9 | 3.6 | Nitrates | | N1s | 404.5 | 2.7 | 1.1 | Nitrates | | Zn2p | 1022.1 | 2.1 | 22.8 | Zn2+ | | Al2p | 73.4 | 2.2 | 5.4 | AlO(OH) |
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