Measurement of water activity in the intermediate moisture range with the Novasina Thermoconstanter humidity meter

The objective of present study was to test the Novasina Thermoconstanter electric hygrometer for aw measurements in the approximate range of microbial growth (~ 0.58-0.97). The most relevant characteristics of this hygrometer were the following: (a) a very high level of precision: (b) stability of t...

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Autores principales: Kitic, Dora, Favetto, Guillermo Julio, Resnik, Silvia Liliana
Publicado: 1986
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00236438_v19_n4_p297_Kitic
http://hdl.handle.net/20.500.12110/paper_00236438_v19_n4_p297_Kitic
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_00236438_v19_n4_p297_Kitic
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spelling paper:paper_00236438_v19_n4_p297_Kitic2023-06-08T14:51:30Z Measurement of water activity in the intermediate moisture range with the Novasina Thermoconstanter humidity meter Kitic, Dora Favetto, Guillermo Julio Resnik, Silvia Liliana The objective of present study was to test the Novasina Thermoconstanter electric hygrometer for aw measurements in the approximate range of microbial growth (~ 0.58-0.97). The most relevant characteristics of this hygrometer were the following: (a) a very high level of precision: (b) stability of the calibration curve; (c) adequate equilibration times: (d) a built-in temperature-controlled device for aw measurements in the temperature range 0-50 °C. These results indicate that the Novasina Thermoconstanter provides a convenient and reliable means of making aw measurements. However, additional studies are needed to verify the performance of the hygrometer when doing repeated measurements of aw in real foods which contain volatile components. © 1986 Academic Press Inc. (London) Limited. Fil:Kitic, D. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Favetto, G.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Resnik, S.L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 1986 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00236438_v19_n4_p297_Kitic http://hdl.handle.net/20.500.12110/paper_00236438_v19_n4_p297_Kitic
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description The objective of present study was to test the Novasina Thermoconstanter electric hygrometer for aw measurements in the approximate range of microbial growth (~ 0.58-0.97). The most relevant characteristics of this hygrometer were the following: (a) a very high level of precision: (b) stability of the calibration curve; (c) adequate equilibration times: (d) a built-in temperature-controlled device for aw measurements in the temperature range 0-50 °C. These results indicate that the Novasina Thermoconstanter provides a convenient and reliable means of making aw measurements. However, additional studies are needed to verify the performance of the hygrometer when doing repeated measurements of aw in real foods which contain volatile components. © 1986 Academic Press Inc. (London) Limited.
author Kitic, Dora
Favetto, Guillermo Julio
Resnik, Silvia Liliana
spellingShingle Kitic, Dora
Favetto, Guillermo Julio
Resnik, Silvia Liliana
Measurement of water activity in the intermediate moisture range with the Novasina Thermoconstanter humidity meter
author_facet Kitic, Dora
Favetto, Guillermo Julio
Resnik, Silvia Liliana
author_sort Kitic, Dora
title Measurement of water activity in the intermediate moisture range with the Novasina Thermoconstanter humidity meter
title_short Measurement of water activity in the intermediate moisture range with the Novasina Thermoconstanter humidity meter
title_full Measurement of water activity in the intermediate moisture range with the Novasina Thermoconstanter humidity meter
title_fullStr Measurement of water activity in the intermediate moisture range with the Novasina Thermoconstanter humidity meter
title_full_unstemmed Measurement of water activity in the intermediate moisture range with the Novasina Thermoconstanter humidity meter
title_sort measurement of water activity in the intermediate moisture range with the novasina thermoconstanter humidity meter
publishDate 1986
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00236438_v19_n4_p297_Kitic
http://hdl.handle.net/20.500.12110/paper_00236438_v19_n4_p297_Kitic
work_keys_str_mv AT kiticdora measurementofwateractivityintheintermediatemoisturerangewiththenovasinathermoconstanterhumiditymeter
AT favettoguillermojulio measurementofwateractivityintheintermediatemoisturerangewiththenovasinathermoconstanterhumiditymeter
AT resniksilvialiliana measurementofwateractivityintheintermediatemoisturerangewiththenovasinathermoconstanterhumiditymeter
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