甲醇中4种制冷剂混标
Reference Material
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.
Product Name(产品名称) 4 Refrigerant Mix in Methanol,1000μg/mL(甲醇中4种制冷剂混标)
Part Number(产品编号) 81549b
Lot Number(产品批号) -
Expiry Date(失效日期) 2027-Jun-15____________________________________________________
Storage(存储条件) (-18±5)℃,Keep in the shade
(-18±5)℃冷冻，置于阴凉处
(-18±5)℃冷冻，置于阴凉处
| 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 | Dichlorodifluoromethane (二氯二氟甲烷) | 75-71-8 | 1000 | 2 |
| 2 | Difluorochloromethane (一氯二氟甲烷) | 75-45-6 | 1000 | 2 | |
| 3 | 2 | Trichlorofluoromethane (三氯氟甲烷) | 75-69-4 | 1000 | 2 |
| 4 | 3 | Dichlorofluoroethane (1-氟-1,1-二氯乙烷) | 1717-00-6 | 1000 | 2 |
上一篇 : 76614标准品/紫外线吸收剂UV-3030 下一篇 : 93101b标准品/甲醇中(-)-可替宁
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