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Interlaboratory study of the operational stability of automated sorption balances

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dc.abstract.enAutomated sorption balances are widely used for characterizing the interaction of water vapor with hygroscopic materials. These instruments provide an efficient way to collect sorption isotherm data and kinetic data. A typical method for defining equilibrium after a step change in relative humidity (RH) is using a particular threshold value for the rate of change in mass with time. Recent studies indicate that commonly used threshold values yield substantial errors and that further measurements are needed at extended hold times as a basis to assess the accuracy of abbreviated equilibration criteria. However, the mass measurement accuracy at extended times depends on the operational stability of the instrument. Published data on the stability of automated sorption balances are rare. An interlaboratory study was undertaken to investigate equilibration criteria for automated sorption balances. This paper focuses on the mass, temperature, and RH stability and includes data from 25 laboratories throughout the world. An initial target for instrument mass stability was met on the first attempt in many cases, but several instruments were found to have unexpectedly large instabilities. The sources of these instabilities were investigated and greatly reduced. This paper highlights the importance of verifying operational mass stability of automated sorption balances, gives a method to perform stability checks, and provides guidance on identifying and correcting common sources of mass instability.
dc.affiliationWydział Leśny i Technologii Drewna
dc.affiliation.instituteKatedra Nauki o Drewnie i Techniki Cieplnej
dc.contributor.authorZelinka, Samuel L.
dc.contributor.authorGlass, Samuel V.
dc.contributor.authorLazarcik, Eleanor Q. D.
dc.contributor.authorThybring, Emil E.
dc.contributor.authorAltgen, Michael
dc.contributor.authorRautkari, Lauri
dc.contributor.authorCurling, Simon
dc.contributor.authorCao, Jinzhen
dc.contributor.authorWang, Yujiao
dc.contributor.authorKünniger, Tina
dc.contributor.authorNyström, Gustav
dc.contributor.authorDreimol, Christopher Hubert
dc.contributor.authorBurgert, Ingo
dc.contributor.authorUyup, Mohd Khairun Anwar
dc.contributor.authorKhadiran, Tumirah
dc.contributor.authorRoper, Mark G.
dc.contributor.authorBroom, Darren P.
dc.contributor.authorSchwarzkopf, Matthew
dc.contributor.authorYudhanto, Arief
dc.contributor.authorSubah, Mohammad
dc.contributor.authorLubineau, Gilles
dc.contributor.authorFredriksson, Maria
dc.contributor.authorStrojecki, Marcin
dc.contributor.authorOlek, Wiesław
dc.contributor.authorMajka, Jerzy
dc.contributor.authorPedersen, Nanna Bjerregaard
dc.contributor.authorBurnett, Daniel J.
dc.contributor.authorGarcia, Armando R.
dc.contributor.authorVerdonck, Els
dc.contributor.authorDreisbach, Frieder
dc.contributor.authorWaguespack, Louis
dc.contributor.authorSchott, Jennifer
dc.contributor.authorEsteban, Luis G.
dc.contributor.authorGarcia-Iruela, Alberto
dc.contributor.authorColinart, Thibaut
dc.contributor.authorRémond, Romain
dc.contributor.authorMazian, Brahim
dc.contributor.authorPerre, Patrick
dc.contributor.authorEmmerich, Lukas
dc.contributor.authorLi, Ling
dc.date.access2025-07-22
dc.date.accessioned2025-07-25T12:00:36Z
dc.date.available2025-07-25T12:00:36Z
dc.date.copyright2024-04-13
dc.date.issued2024
dc.description.abstract<jats:title>Abstract</jats:title><jats:p>Automated sorption balances are widely used for characterizing the interaction of water vapor with hygroscopic materials. These instruments provide an efficient way to collect sorption isotherm data and kinetic data. A typical method for defining equilibrium after a step change in relative humidity (RH) is using a particular threshold value for the rate of change in mass with time. Recent studies indicate that commonly used threshold values yield substantial errors and that further measurements are needed at extended hold times as a basis to assess the accuracy of abbreviated equilibration criteria. However, the mass measurement accuracy at extended times depends on the operational stability of the instrument. Published data on the stability of automated sorption balances are rare. An interlaboratory study was undertaken to investigate equilibration criteria for automated sorption balances. This paper focuses on the mass, temperature, and RH stability and includes data from 25 laboratories throughout the world. An initial target for instrument mass stability was met on the first attempt in many cases, but several instruments were found to have unexpectedly large instabilities. The sources of these instabilities were investigated and greatly reduced. This paper highlights the importance of verifying operational mass stability of automated sorption balances, gives a method to perform stability checks, and provides guidance on identifying and correcting common sources of mass instability.</jats:p>
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if3,1
dc.description.number7
dc.description.points70
dc.description.versionfinal_published
dc.description.volume30
dc.identifier.doi10.1007/s10450-024-00472-9
dc.identifier.eissn1572-8757
dc.identifier.issn0929-5607
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/3984
dc.identifier.weblinkhttps://link.springer.com/article/10.1007/s10450-024-00472-9
dc.languageen
dc.pbn.affiliationforestry
dc.relation.ispartofAdsorption
dc.relation.pages1663-1674
dc.rightsCC-BY
dc.sciencecloudsend
dc.share.typeOTHER
dc.subject.enwater vapor sorption
dc.subject.eninterlaboratory investigation
dc.subject.enmeasurement uncertainty
dc.titleInterlaboratory study of the operational stability of automated sorption balances
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue7
oaire.citation.volume30