Research Article
Characterization and Uncertainty Assessment of a Certified Reference Material of Chloramphenicol in Methanol (GBW(E)082557)
Table 2
Mass fraction of chloramphenicol measured by MB methods.
| Sample vials number | HPLC/% | Moisture/% | Purity/% |
| 1 | 99.87 | 0.020 | 99.85 | 2 | 99.84 | 0.030 | 99.81 | 3 | 99.84 | 0.026 | 99.81 | 4 | 99.87 | 0.025 | 99.85 | 5 | 99.83 | 0.028 | 99.80 | 6 | 99.83 | 0.023 | 99.81 | 7 | 99.82 | 0.024 | 99.80 | Mean | 99.84 | 0.025 | 99.82 | SD | 0.020 | 0.003 | 0.02 |
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