型号：81109d
更新时间：2024-08-20 | 阅读：1108
详情介绍
This certificate is designed in accordance with ISO 17034 and ISO Guide 31. This reference material (RM) was designed,produced and verified in accordance with ISO/IEC 17025, ISO 17034 and a registered quality management system ISO 9001.
| CERTIFIED | |||||
| Component No. | Peak Sequence | Component | CAS No. | Concentration (μg/mL) | Uncertainty (%) |
| 1 | 1 | Benzene | 71-43-2 | 200 | 3 |
| 2 | 2 | Toluene | 108-88-3 | 200 | 3 |
| 3 | 3 | p-Xylene | 106-42-3 | 200 | 3 |
| 4 | 4 | m-Xylene | 108-38-3 | 200 | 3 |
| 5 | 5 | o-Xylene | 95-47-6 | 200 | 3 |
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