English
General description
This product is directly traceable to the corresponding primary reference material from the Physikalisch Technische Bundesanstalt (PTB), Germany. The electrolytic conductivity of this standard is validated using a conductivity meter from an accredited Merck calibration laboratory.
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.
Application
Certified reference material (CRM) for use in aqueous solution for measuring conductivity cell constant or as a control sample.
Analysis Note
Electrical conductivity (25 °C): 0.144 – 0.150 mS/cm
Legal Information
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
