Product Number: S11M011
pH Buffer Standard Solution for pH electrode calibration with Certificate of Analysis*. Colorless pH buffer, pH is 9.23 ±0.02 at 25°C solution. 500 mL bottle
*Available for download from uk.hach.com/CoA: using product part number and lot number.
*when applicable
Phase Out
Items with this label are at the end of their life cycle and may become obsolete in the future.
Obsolete
Items with this label are obsolete and unavailable through eCommerce.
If applicable, please view Replacement Product above or contact Hach Customer Service for further assistance.