Calibration and Uncertainty Estimation for Water Content Measurement in Solids

Author:

Aro RudolfORCID,Ayoub Mohamed Wajdi Ben,Leito Ivo,Georgin Éric,Savanier Benoit

Abstract

AbstractIn the field of water content measurement, the calibration of coulometric methods (e.g., coulometric Karl Fischer titration or evolved water vapor analysis) is often overlooked. However, as coulometric water content measurement methods are used to calibrate secondary methods, their results must be obtained with the highest degree of confidence. The utility of calibrating such instruments has been recently demonstrated. Both single and multiple point calibration methods have been suggested. This work compares these calibration methods for the evolved water vapor analysis technique. Two uncertainty estimation approaches (Kragten’s spreadsheet and M-CARE software tool) were compared as well, both based on the ISO GUM method.

Funder

Örebro University

Publisher

Springer Science and Business Media LLC

Subject

Condensed Matter Physics

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