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dc.contributor.authorKESTENS VIKRAMen_GB
dc.contributor.authorCONNEELY PATRICKen_GB
dc.contributor.authorBERNREUTHER ALEXANDERen_GB
dc.identifier.citationFOOD CHEMISTRY vol. 106 no. 4 p. 1454-1459en_GB
dc.description.abstractVolumetric Karl Fischer titration (V-KFT) is the reference method to determine the water content in a whole range of organic and inorganic matrices. Nevertheless, the method has several important drawbacls such: as a high solvent consumption, and a rather large measurement uncertainty when determining the water content in starch containing reference and candidate reference materials (e.g. maize, toasted bread, etc.). It is also labour intensive for routine measurements. In order to overcome these disadvantages, a relatively new method of coulometric Karl Fischer titration, equipped with a fully automated oven system, has been established and optimised. The objective of this study was to establish the robustness of the vap-C-KFT method and to compare measurement uncertainties with those obtained by V-KFT. The overall results obtained with the proposed vap-C-KFT method and to compare measurement uncertainties with those obtained by V-KFT. The overall results obtained with the proposed vap-C-KFT methods correlate will with the results obtained by V-KFT R2 = 0.998). Because of the good repeatability and intermediate precision of the vap-C-KFT methods compared to V-KFT, significant lower measurement uncertainties were obtained from vap-C-KFT measurements.en_GB
dc.description.sponsorshipJRC.D.2-Reference materialsen_GB
dc.publisherELSEVIER SCI LTDen_GB
dc.titleVaporisation Coulometric Karl Fischer Titration: A Perfect Tool for Water Content Determination of Difficult Matrix Reference Materialsen_GB
dc.typeArticles in periodicals and booksen_GB
JRC Directorate:Health, Consumers and Reference Materials

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