| 样品H2O2/10−5mol/L | 加入量C(10−5mol/L) | 测定值C(10−5mol/L) | 回收率/% | 平均回收率/% | RSD% |
| 3.25 | 6.50 | 9.23 | 94.7 | 97.3 | 3.3 |
| 6.50 | 6.50 | 12.28 | 94.5 | ||
| 9.75 | 6.50 | 16.40 | 100.9 | ||
| 13.00 | 6.50 | 19.16 | 98.3 | ||
| 16.25 | 6.50 | 22.00 | 96.7 | ||
| 19.50 | 6.50 | 26.55 | 102.1 | ||
| 22.75 | 6.50 | 27.50 | 94.0 |