{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T11:02:20Z","timestamp":1790506940799,"version":"4.1.0"},"reference-count":42,"publisher":"Wiley","license":[{"start":{"date-parts":[[2017,1,1]],"date-time":"2017-01-01T00:00:00Z","timestamp":1483228800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Scientific World Journal"],"published-print":{"date-parts":[[2017]]},"abstract":"<jats:p>Hydrogen-sulfide (H<jats:sub>2<\/jats:sub>S) is a molecule of small dimensions typically present in the odor emissions from different plants. The European Standard EN 13725:2003 set a maximum storage time allowed of 30 hours, during which the sampling bag has to maintain the mixture of odorants with minimal changes. This study investigates the H<jats:sub>2<\/jats:sub>S losses through Nalophan bags and it shows that nonnegligible losses of H<jats:sub>2<\/jats:sub>S can be observed. The percent H<jats:sub>2<\/jats:sub>S loss after 30\u2009hrs with respect to the initial concentration is equal to 33%\u2009\u2009\u00b1 3% at a relative humidity of 20% and equal to 22%\u2009\u2009\u00b1 1% at a relative humidity of 60%. The average quantity of adsorbed H<jats:sub>2<\/jats:sub>S at 30\u2009h is equal to 2.17 10<jats:sup>5<\/jats:sup>\u2009<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\"><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">g<\/mml:mi><\/mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">H<\/mml:mi><\/mml:mrow><mml:mrow><mml:mn mathvariant=\"normal\">2<\/mml:mn><\/mml:mrow><\/mml:msub><mml:mi mathvariant=\"normal\">S<\/mml:mi><\/mml:mrow><\/mml:msub><mml:mo>\/<\/mml:mo><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">g<\/mml:mi><\/mml:mrow><mml:mrow><mml:mi mathvariant=\"normal\">N<\/mml:mi><mml:mi mathvariant=\"normal\">a<\/mml:mi><mml:mi mathvariant=\"normal\">l<\/mml:mi><mml:mi mathvariant=\"normal\">o<\/mml:mi><mml:mi mathvariant=\"normal\">p<\/mml:mi><mml:mi mathvariant=\"normal\">h<\/mml:mi><mml:mi mathvariant=\"normal\">a<\/mml:mi><mml:mi mathvariant=\"normal\">n<\/mml:mi><\/mml:mrow><\/mml:msub><\/mml:math> at a storage humidity of 20% and equal to 1.79 10<jats:sup>5<\/jats:sup>\u2009<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\"><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">g<\/mml:mi><\/mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">H<\/mml:mi><\/mml:mrow><mml:mrow><mml:mn mathvariant=\"normal\">2<\/mml:mn><\/mml:mrow><\/mml:msub><mml:mi mathvariant=\"normal\">S<\/mml:mi><\/mml:mrow><\/mml:msub><mml:mo>\/<\/mml:mo><mml:msub><mml:mrow><mml:mi mathvariant=\"normal\">g<\/mml:mi><\/mml:mrow><mml:mrow><mml:mi mathvariant=\"normal\">N<\/mml:mi><mml:mi mathvariant=\"normal\">a<\/mml:mi><mml:mi mathvariant=\"normal\">l<\/mml:mi><mml:mi mathvariant=\"normal\">o<\/mml:mi><mml:mi mathvariant=\"normal\">p<\/mml:mi><mml:mi mathvariant=\"normal\">h<\/mml:mi><mml:mi mathvariant=\"normal\">a<\/mml:mi><mml:mi mathvariant=\"normal\">n<\/mml:mi><\/mml:mrow><\/mml:msub><\/mml:math> at a storage humidity of 60%. The diffusion coefficients of H<jats:sub>2<\/jats:sub>S through Nalophan, for these two humidity conditions tested, are comparable (i.e., 7.5 10<jats:sup>\u221212<\/jats:sup>\u2009m<jats:sup>2<\/jats:sup>\/sec at 20% humidity and 6.6 10<jats:sup>\u221212<\/jats:sup>\u2009m<jats:sup>2<\/jats:sup>\/sec at 60% humidity).<\/jats:p>","DOI":"10.1155\/2017\/9690704","type":"journal-article","created":{"date-parts":[[2017,6,27]],"date-time":"2017-06-27T17:03:25Z","timestamp":1498583005000},"page":"1-15","source":"Crossref","is-referenced-by-count":11,"title":["H<sub>2<\/sub>S Loss through Nalophan\u2122 Bags: Contributions of Adsorption and Diffusion"],"prefix":"10.1155","volume":"2017","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2319-2792","authenticated-orcid":true,"given":"Lidia","family":"Eusebio","sequence":"first","affiliation":[{"name":"Department of Chemistry, Materials and Chemical Engineering \u201cGiulio Natta\u201d, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 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