Buffer Solution, pH 9.23, 500 mL

Product #: S11M011
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pH Buffer Standard Solution for pH electrode calibration with Certificate of Analysis*. Colourless pH buffer, pH is 9.23 ±0.02 at 25°C solution. 500 mL bottle
*Available for download from www.hach.com: Support/Service, Certificate of Analysis menu using product part number and lot number.