| 测定次数 样品编号 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 平均值 |
| 重量法 |
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| TDHG (%) | 50.2 | 49.1 | 50.1 | 49.0 | 50.0 | 49.8 | 50.1 | 49.2 | 49.7 |
| SMHG (%) | 44.6 | 43.4 | 42.8 | 44.3 | 44.2 | 44.9 | 45.3 | 44.7 | 44.4 |
| 容量法 |
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| TDHG (%) | 46.9 | 47.1 | 47.2 | 46.9 | 46.4 | 47.8 | 47.1 | 47.8 | 47.1 |
| SMHG (%) | 40.4 | 40.8 | 41.4 | 40.8 | 41.2 | 41.0 | 41.0 | 41.3 | 41.0 |
| 仪器法 |
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| TDHG (%) | 48.3 | 48.9 | 49.4 | 47.9 | 48.1 | 48.1 | 49.2 | 48.4 | 48.5 |
| SMHG (%) | 37.6 | 38.1 | 37.5 | 38.3 | 38.6 | 38.5 | 38.3 | 37.8 | 38.1 |