pH Buffer Calibration Solution 3-Pack | 1 Quart (950 mL) Bottle Each | pH 4.00, pH 7.00 & pH 10.00 | NIST Traceable Reference Standards for All pH Meters

These buffer calibration solutions are suitable for the calibration of all pH meters. Each production lot is manufactured in our own laboratory following carefully controlled, written procedures and standardized against NIST standard reference materials (SRM) for high accuracy. The finished product is assigned a unique Lot number and expiration date. These products will have greater than one year shelf life when received. Certificate of analysis and traceability included.

• NIST Reference Calibrated
• Color-Coded for Easy Reference
• Lot Numbered and Expiration Dated on Convenient Water Proof Label
• Individual Bagged 1 Quart Bottles with Waterproof Labels
• For Pharmaceutical, Academic, Research and Industrial Labs