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: 2747
Lot Number: 25H100064
Method: Comparative enzymatic testing of Production standard vs Metrology standard
Test Results
| Chemistry Tested | Determination | Tolerance | Result |
|---|---|---|---|
| GLUCOSE | (Average of Production)-(Average of Metrology) | ±0.01g/L | 0.000 g/L |
| Coefficient of variation for production standard (CV,%) | ≤2.0% | 0.84 % | |
| LACTATE | (Average of Production)-(Average of Metrology) | ±0.01g/L | 0.002 g/L |
| Coefficient of variation for production standard (CV,%) | ≤2.0% | 0.70 % |
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: Nick Rittenhouse
Date: 8/5/2025
[ISO 9001 Certified Seal]
Document Number: 061827
