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New Primary Standards for Establishing SI Traceability for Moisture Measurements in Solid Materials

Heinonen, M. (author)
VTT Technical Research Centre of Finland, Centre for Metrology MIKES, Espoo, Finland
Bell, S. (author)
National Physical Laboratory, Teddington, UK
Il Choi, B. (author)
Korea Research Institute of Standards and Science, Daejeon, Republic of Korea
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Cortellessa, G. (author)
Università degli Studi di Cassino e del Lazio Meridionale, Cassino, Italy
Fernicola, V. (author)
Istituto Nazionale di Ricerca Metrologica, Turin, Italy
Georgin, E. (author)
Centre Technique des Industries Aérauliques et Thermiques, Lyon, France
Hudoklin, D. (author)
Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia
Ionescu, G. V. (author)
National Institute of Metrology, Bucharest, Romania
Ismail, N. (author)
National Institute of Standard, Giza, Egypt
Keawprasert, T. (author)
National Institute of Metrology, Pathumthani, Thailand
Krasheninina, M. (author)
Ural Research Institute for Metrology, Yekaterinburg, Russia
Aro, R., 1992- (author)
University of Tartu, Tartu, Estonia
Nielsen, J. (author)
Danish Technological Institute, Aarhus, Denmark
Oğuz Aytekin, S. (author)
TÜBİTAK Ulusal Metroloji Enstitüsü, Kocaeli, Turkey
Österberg, P. (author)
University of Oulu, Kajaani, Finland; Measurepolis Development Ltd, Kajaani, Finland
Skabar, J. (author)
Instituto Nacional de Tecnologia Industrial, Buenos Aires, Argentina
Strnad, R. (author)
Czech Metrology Institute, Brno, Czech Republic
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 (creator_code:org_t)
2017-12-01
2018
English.
In: International journal of thermophysics. - : Springer. - 0195-928X .- 1572-9567. ; 39
Related links:
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https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • A European research project METefnet addresses a fundamental obstacle to improving energy-intensive drying process control: due to ambiguous reference analysis methods and insufficient methods for estimating uncertainty in moisture measurements, the achievable accuracy in the past was limited and measurement uncertainties were largely unknown. This paper reports the developments in METefnet that provide a sound basis for the SI traceability: four new primary standards for realizing the water mass fraction were set up, analyzed and compared to each other. The operation of these standards is based on combining sample weighing with different water vapor detection techniques: cold trap, chilled mirror, electrolytic and coulometric Karl Fischer titration. The results show that an equivalence of 0.2 % has been achieved between the water mass fraction realizations and that the developed methods are applicable to a wide range of materials.

Subject headings

NATURVETENSKAP  -- Kemi -- Analytisk kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Annan teknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Other Engineering and Technologies (hsv//eng)

Keyword

Karl Fischer
Loss-on-drying
Moisture
Oven drying
Traceability

Publication and Content Type

ref (subject category)
art (subject category)

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