pH Calibration Buffer 3-Pack, 250 mL fl oz Each: pH , pH , and pH ; NIST Traceable Reference Standards for All pH Meters

NIST Reference Calibrated

Color Coded for Easy Identification

Lot Numbered and Expiration Dated

Individually Bagged 250 ml ( fl oz) Poly Bottles

For Pharmaceutical, Academic, Research and Industrial Labs

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 shelf life when received. Certificate of analysis and traceability included.