Comparison of the performance of a microwave-based and an NMR-based biomaterial moisture measurement instrument

Petri Österberg, Martti Heinonen, Maija Ojanen-Saloranta, Anssi Mäkynen

Research output: Contribution to journalArticleScientificpeer-review

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.
Original languageEnglish
Pages (from-to)88-99
JournalActa IMEKO
Volume5
Issue number4
DOIs
Publication statusPublished - 2016
MoE publication typeA1 Journal article-refereed

Fingerprint

Biomaterials
moisture
Moisture
Microwaves
Nuclear magnetic resonance
microwaves
nuclear magnetic resonance
drying
moisture content
Drying
Calibration

Keywords

  • moisture measurement
  • bioenergy
  • microwave
  • NMR
  • loss-on-drying

Cite this

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title = "Comparison of the performance of a microwave-based and an NMR-based biomaterial moisture measurement instrument",
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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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.

In: Acta IMEKO, Vol. 5, No. 4, 2016, p. 88-99.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Heinonen, Martti

AU - Ojanen-Saloranta, Maija

AU - Mäkynen, Anssi

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KW - bioenergy

KW - microwave

KW - NMR

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