Comparison of the performance of a microwave-based and an NMR-based biomaterial moisture measurement instrument
Österberg, Petri; Heinonen, Martti; Ojanen-Saloranta, Maija; Mäkynen, Anssi (2016-12-14)
Petri Österberg, Martti Heinonen, Maija Ojanen-Saloranta, Anssi Mäkynen, Comparison of the performance of a microwave based and an NMR-based biomaterial moisture measurement instrument, Acta IMEKO, vol. 5, no. 4, article 14, December 2016, identifier: IMEKO-ACTA-05 (2016)-04-14 DOI: 10.21014/acta_imeko.v5i4.391
© 2016 IMEKO. This is an open-access article distributed under the terms of the Creative Commons Attribution 3.0 License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited
https://creativecommons.org/licenses/by/3.0/
https://urn.fi/URN:NBN:fi-fe201701111115
Tiivistelmä
Abstract
This article compares the performance of an NMR-based and a microwave-based moisture measurement instrument designed for biomaterials. The conventional moisture measurement method, Loss-on-Drying, serves as a reference measurement for both instruments. Six different biomaterials at three moisture content levels were measured with the microwave instrument and five biomaterials were measured with the NMR instrument. After instrument calibrations, the difference and variation of the measurement results for parallel samples and the repeatability of measurement results obtained by the NMR and microwave instruments were estimated. Reasonable agreement between the measurement methods was achieved.
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