點擊放大甲醇中四氫呋喃
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(產(chǎn)品名稱) Tetrahydrofuran in Methanol,1000μg/mL(甲醇中四氫呋喃)
Part Number(產(chǎn)品編號)93066b
Lot Number(產(chǎn)品批號)-
CAS No.：109-99-9
Mol. Formula(分子式)C4H8O
Mol. Weight(分子量)72.11_________________________________________
Storage Temp(存儲條件)Normal temperature,Keep in the shade
常溫，置于陰涼處
常溫，置于陰涼處
Transportation(運輸條件)Normal temperature transportation(常溫運輸)
| QC Test Results | ||||
| Item | Test Results | |||
| Analysis method(分析方法) | GC/FID | |||
| Concentration(濃度) | 1000μg/mL | |||
| Relative Expanded Uncertainty(k=2)(相對擴展不確定度) | 2% | |||
| Expiry Date(失效日期) | 2026-Aug-28 | |||
Uncertainty
The certified value(s) and uncertainty(ies) are determined in accordance with ISO 17034 with an 95% confidence level (k=2). Uncertainty is based on the Total Combined Uncertainty, including uncertainties of preparation, purity of neat materials, homogeneity, stability testing.
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