English
Analysis Note
Electrical conductivity (25 °C): 12.750 – 12.950 mS/cm
Application
Used as a calibration standard in aqueous solution to determine conductivity cell constant or as a control sample.
General description
This certified reference material (CRM) is directly traceable to the corresponding primary reference material from the Physikalisch Technische Bundesanstalt (PTB), Germany. The electrolytic conductivity of this standard is determined using a conductivity meter from an accredited Merck calibration laboratory.
The details of expiry date, storage and handling, and associated uncertainty are documented in the certificate of analysis.
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.
Legal Information
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
