The contribution of water and moisture determination to the uncertainty of mass related results
By comparing the mass loss, obtained by three different drying methods, and the water content determined by Karl Fischer titration it could be shown that dry mass corrections must be performed with great care. Contributions to the uncertainty of mass-related results may be significant if inappropriate parameters are chosen. Ideally, methods selective for water should be applied. Karl Fischer titration provides the possibility to determine the water content selectively, the sample property to be measured being clearly defined in a short time with excellent values for repeatability, reproducibility and accuracy. It should therefore be preferred to minimise the contribution of dry mass correction to the uncertainty of mass-related results.
Bibliographic Reference: An oral report given at: The Biological Essentiality of Macro and Trace Elements Conference. Organized by: Prof. Dr. M. Anke. Held at: the Friedrich Schiller University, Jena (DE) 1-2 December 2000
Record Number: 200013158 / Last updated on: 2001-03-20
Original language: en
Available languages: en