Certificate of Analysis
YSI Incorporated
Yellow Springs Instrument Co., Yellow Springs, Ohio 45387 USA
Phone: 937 767-7241 | Toll-Free: 800 765-4974 | Fax: 937 767-9353
Product Information
| Product Category | Bioanalytical Standard |
|---|---|
| Product Model Number | 1531C |
| Lot Number | 25H100010 |
| Method | Comparative enzymatic testing of Production standard vs Metrology standard |
Test Results
| Chemistry Tested | Determination | Tolerance | Result |
|---|---|---|---|
| GLUCOSE | (Average of Production)-(Average of Metrology) | ±50 mg/L | 16.3 mg/L |
| Coefficient of variation for production standard (CV, %) | ≤2.0% | 0.5% |
Verification and Completion
The procedures used to manufacture and test this product have been verified by QA for compliance. The electronic signature below is representative of the Chemistry Technician testing and verifying conformity to acceptance criteria.
Completed by: Travis Kidder
Digitally signed by Travis Kidder
Date: 2025.08.07 14:53:26 -04'00'
Date: 8/7/2025
Certification
The document features an "ISO 9001 Certified YSI Incorporated" logo, signifying adherence to quality management system standards.
Document Identifier: 014691
