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. (組分數)  | Component (組分)  | CAS No. | Concentration (μg/mL) (濃度)  | Relative Expanded Uncertainty(%) (k=2) (相對擴展不確定度)  | 
| 1 | 2,4,4'-Trichlorobiphenyl-d4 (2,4,4'-三氯聯苯-d4) | 1219799-32-2 | 100 | 3 | 
| 2 | 2,3,4,4',5-Pentachlorobiphenyl-d4 (2,3,4,4',5-五氯聯苯-d4) | 1219799-24-2 | 100 | 3 | 
  

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