型号：81109b
更新时间：2024-08-20 | 阅读：1104
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. (组分数) | Peak Sequence (出峰顺序) | Component (组分) | CAS No. | Concentration (μg/mL) (浓度) | Relative Expanded Uncertainty(%) (k=2) (相对扩展不确定度) |
| 1 | 1 | Benzene (苯) | 71-43-2 | 400 | 3 |
| 2 | 2 | Toluene (甲苯) | 108-88-3 | 400 | 3 |
| 3 | 3 | p-Xylene (对二甲苯) | 106-42-3 | 400 | 3 |
| 4 | 4 | m-Xylene (间二甲苯) | 108-38-3 | 400 | 3 |
| 5 | 5 | o-Xylene (邻二甲苯) | 95-47-6 | 400 | 3 |
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