Water standard oil

General description
Water standard oil is composed using transformer oil and its water content is measured by coulometric Karl Fischer titration. It is designed for applications requiring the measurement of water content in oil samples.

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Application
It finds applications as a certified reference material (CRM) in checking the accuracy of coulometric Karl Fischer titrators as per ISO 9001 chapter 7.1.5 “Monitoring and measuring resources”.
Features and Benefits
Packed in convenient 8 mL glass ampoules with 10 single-use ampoules in a box
Subjected to stability and homogeneity studies following ISO 17034 and ISO Guide 35
Measured and qualified in an ISO/IEC 17025 and ISO 17034 accredited laboratory
Directly traceable to SI unit (kg) and verified by SRM 2890 from NIST
Supplied with a batch-specific digital certificate of analysis (CoA) having data on exact measured water content of the batch, uncertainty, method of analysis, the NIST batch, and minimum shelf life
Packaging
SKU-pack size numbers ending with a “3” are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals.
Analysis Note
Assay (H₂O): 0.015 – 0.030 mg/g
Legal Information
AQUASTAR is a registered trademark of Merck KGaA, Darmstadt, Germany