Biopharm pH Calibration Buffer 3-Pack, 250 mL (8.4 fl oz) Each: pH 4.00, pH 6.86, and pH 9.18; 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 USA laboratory following carefully controlled written procedures and standardized against NIST standard reference materials (SRM) for highest 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.

• Labeled for both 20°C and 25°C temperature values
• Individually Bagged 250 ml (8.4 oz) Poly Bottles
• Lot Numbered and Expiration Dated
• Free Certificate of Analysis and Traceability
• For Pharmaceutical, Academic, Research and Industrial Labs