KCl 1D Conductivity Standard, 500 mL, 1 Demal KCl, 111, 3 mS/cm at 25 °C (Radiometer Analytical)

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