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.
QC Test Results | ||||
Item | Test Results | |||
Analysis method(分析方法) | GC/FID | |||
Concentration(浓度) | 2000μg/mL | |||
Relative Expanded Uncertainty(k=2)(相对扩展不确定度) | 2% | |||
Expiry Date(失效日期) | 2026-Jul-17 |
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.