pH Standard, IUPAC, pH4.005 at 25 °C, Certified, 500 mL (Radiometer Analytical)

Product #: S11M002
USD Price: $39.85

Radiometer Analytical certified pH and conductivity standards give you:

Each bottle (500 mL) is supplied with a COFRAC Verification Certificate and Certificate of Conformity and Traceability drawn up according to ISO31.

  • Total Control of the traceability chain and calculated uncertainties
  • Direct traceability to primary standards and the reference method
  • The competence and integrity of a laboratory internationally recognized to be accredited for the measurement of pH and conductivity reference materials