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芦荟大黄素及其金属配合物的红外光谱主要数据
| Compound | ν (O-H)/cm−1 | ν (C=O)/cm−1 | ν (C=C)/cm−1 | ν (C-O)/cm−1 | ν (M-O)/cm−1 |
| Aloe-emodin | 3 408 | 1 675 | 1 571 | 1 2741 285 | |
| 1 628 | 1 455 | ||||
| Aloe-emodin-Iron (Ⅱ) | 3 385 | 1 627 | 1 455 | 1 287 | 537 |
| 3 299 | 1 272 | ||||
| Aloe-emodin-copper (Ⅱ) | 3 407 | 1 620, 1 594 | 1 517, 1 490 | 1 201, 1 277 | 514 |
| Aloe-emodin-magnesium (Ⅱ) | 3 420 | 1 673, 1 627 | 1 572, 1 457 | 1 275, 1 287 | 455 |
