THE COMPARISON OF A MICROWAVE BASED BIOENERGY MOISTURE MEASUREMENT INSTRUMENT AGAINST THE LOSS-ON-DRYING METHOD

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

Abstract

This article compares the performance of a microwave based moisture measurement instrument against the conventional moisture measurement reference method Loss-on-Drying (LoD). Six different biomaterials were measured at three moisture content levels with both measurement methods. After instrument calibrations, the difference and variation of the measurement results and the repeatability of the instruments for parallel samples were estimated. Good agreement between the measurement methods was achieved with careful microwave instrument calibration.

Keywords

moisture measurement, bioenergy, microwave, oven drying, LoD

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IMEKO-WC-2015-TC24-458.pdf

DOI

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IMEKO TC

TC24 - Chemical Measurements

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