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pH Buffer IUPAC Standard Solution with Certificate of Conformity* and Traceability reporting exact pH buffer value with related expanded uncertainty (k=2). Traceable to IUPAC/NIST pH scale. Guaranteed shelf-life thanks to premium aluminium packaging. Colorless pH buffer solution. pH is 10.012 ±0.010 (k=2) at 25°C, 500 mL bottle.
*Available for download from www.hach.com: Support/Service, Certificate of Analysis menu using product part number and lot number.
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