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: Membrane
Product Model Number: 2754
Lot Number: 25H100153
Method: Amperometric testing with standards
Test Results
| Time of Testing | Determination | Specification | Results |
|---|---|---|---|
| Initial | Average Calibration Sensitivity | 8.0-40.0 nA | 10.6 nA |
| Average Linearity | 9.50-10.50 mmol/L | 9.92 mmol/L | |
| Potassium Ferrocyanide | < 0.4 mmol/L | 0.07 mmol/L |
Verification
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: Christy Woodford
Your Name: Christy Woodford
Date: 8/12/2025
Certification
[ISO 9001 Certified] YSI INCORPORATED
