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 ISO9001.
Product Name | Triethylene glycol dimethyl ether | |
Product Code | BW903002 | |
Lot Number | 23041523 | |
CAS No. | 112-49-2 | |
Mol. Formula | C8H18O4 | |
Mol. Weight | 178.23 | |
Certified on | 14 Apr 2023 | |
Expiry Date | 13 Apr 2025 | |
Storage Temp | (0~4)°C | |
Specification | 1 mL | |
CERTIFIED Purity | CERTIFIED Expanded Uncertainty (U) | Approved by |
99.0% | 0.5% |
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 characterisation, homogeneity and stability testing. Stability values are based on real evidence opposed to simulation.
The producer certifies that this reference material meets the specification stated in this certificate until the expiry date, provided it is stored unopened at the recommended temperature herein. Product warranties for this reference material are set out in the terms and conditions of purchase.
Intended Use
This RM is intended for use in a laboratory as a calibration and quality control standard or in method development for analytical techniques.
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