Oakton Traceable® pH CRM Buffer, Blue, pH 10; 500 mL

Certified Reference Materials (CRM) meet federal, state, and local requirements, providing standardized reference calibration for pH meters. Produced in compliance with A2LA ISO/IEC 17025:2005, ISO Guide 34, ISO 31, and ISO 35, CRMs ensure top-tier accuracy, documentation, and standards. They undergo extensive stability, transportation, and repeatability testing, with uncertainty (U) assigned from these evaluations. Calibration reports are issued by an ISO 17034 and ISO 17025 accredited lab. Environmental Express Oakton monitors the solution over 1 to 2 years and informs users of any changes.

pH 10 is a common high-range pH meter calibration point. All Oakton pH buffer solutions are manufactured under ISO 9000 quality guidelines and traceable to NIST standard (for meters with 0.01 resolution). A pH/temperature table is printed on the label for accurate calibrations. Available as Reference Materials (RM) and Certified Reference Material (CRM) grade. pH 10 buffer solution is available colored blue for visual reference or clear. It is sold in individual 500-mL bottles. If unopened, shelf life of pH 10 is 2 years; once opened, use within 30 days. Store buffers away from direct sunlight.