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 | Dihydrostreptomycin sulfate | |
Product Code | BW905001 |
|
Lot Number | 23061563 | |
CAS No. | 5490-27-7 | |
Mol. Formula | 2C21H41N7O12·3H2O4S | |
Mol. Weight | 1461.42 | |
Certified on | 19 Jun 2023 | |
Expiry Date | 18 Jun 2025 | |
Storage Temp | (0~4)°C | |
Specification | 1g | |
CERTIFIED Purity | CERTIFIED Expanded Uncertainty (U) | Approved by |
92.4% | 0.8% |
|
Method of Characterisation
Purity = 100% - Assay impurities - Water content (KF)
Method of Identification
MS
Batch Information
Water Content: 6.634% (by Karl-Fischer-Titration)
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
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