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[{"key": "dc.contributor.advisor", "value": "Matilainen, Rose", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "H\u00e4m\u00e4l\u00e4inen, Joonas", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Uusitalo, Aaro", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Kauranen, Heidi", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2023-07-24T05:59:18Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2023-07-24T05:59:18Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2023", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/88450", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "T\u00e4m\u00e4 pro gradu -tutkielma tehtiin Mets\u00e4 Fibre Oy:n \u00c4\u00e4nekosken biotuotetehtaan\nk\u00e4ytt\u00f6laboratoriossa kev\u00e4\u00e4ll\u00e4 2023. Tutkielman tarkoituksena oli perehty\u00e4 kemiallisen\nhapenkulutuksen m\u00e4\u00e4ritysmenetelmiin ja selvitt\u00e4\u00e4 laboratoriossa k\u00e4yt\u00f6ss\u00e4 olleen CODMn-m\u00e4\u00e4ritysmenetelm\u00e4n tarkkuus sek\u00e4 testata l\u00f6ytyisik\u00f6 menetelm\u00e4lle k\u00e4ytt\u00e4j\u00e4yst\u00e4v\u00e4llisemp\u00e4\u00e4\nvaihtoehtoa.\n\nK\u00e4yt\u00f6ss\u00e4 olleella menetelm\u00e4ll\u00e4 m\u00e4\u00e4ritys perustui titraamiseen kaliumpermanganaatilla.\nVaihtoehtoisina menetelmin\u00e4 olivat kaksi muuta ISO 8467 -standardiin pohjautunutta titrausta\nmy\u00f6skin kaliumpermanganaatilla, potentiometrinen titraus natriumtiosulfaatilla SFS 3036 -\nstandardia mukaillen sek\u00e4 spektrofotometrisesti analysoitavat testiputket. Menetelmien\nsuorituskyky\u00e4 arvioitiin tekem\u00e4ll\u00e4 m\u00e4\u00e4rityksi\u00e4 standardin\u00e4ytteest\u00e4 ja prosessin\u00e4ytteist\u00e4.\nStandardina k\u00e4ytettiin resorsinoliliuosta, jolle oli saatavilla valmistajan analyysitodistus\nliuoksen pitoisuudesta CODMn-arvona ilmoitettuna.\n\nTitrausmenetelmien mittausalueet arvioitiin standardin\u00e4ytteen avulla muodostetuista suorista ja\ntoteamis- ja m\u00e4\u00e4ritysrajat arvioitiin nollan\u00e4ytteille saatujen tulosten keskihajontojen\nmonikertoina. Jokaiselle titrausmenetelm\u00e4lle mittausalueen yl\u00e4rajaksi todettiin 39,66 mg/l\nKMnO4. K\u00e4yt\u00f6ss\u00e4 olleen menetelm\u00e4n m\u00e4\u00e4ritysrajaksi saatiin 3,75 mg/l KMnO4. ISO 8467 -\nstandardia mukailevalla menetelm\u00e4ll\u00e4 vesihauteessa keitetyille n\u00e4ytteille menetelm\u00e4n\nm\u00e4\u00e4ritysrajaksi saatiin 6,47 mg/l KMnO4 ja samalla menetelm\u00e4ll\u00e4 suoraan keittolevyll\u00e4\nkeitetyille n\u00e4ytteille 4,27 mg/l KMnO4. SFS 3036 -standardia mukailleelle menetelm\u00e4lle\nm\u00e4\u00e4ritysrajaksi saatiin 5,70 mg/l KMnO4.\n\nKaikilla menetelmill\u00e4 resorsinolistandardeille saadut tulokset olivat hyvin l\u00e4hell\u00e4 toisiaan.\nTestiputket todettiin kuitenkin hankaliksi k\u00e4ytt\u00e4\u00e4. K\u00e4yt\u00f6ss\u00e4 ollut menetelm\u00e4 oli\ntitrausmenetelmist\u00e4 toistettavin ja sen m\u00e4\u00e4ritysraja oli pienin. Osa prosessin\u00e4ytteist\u00e4, joiden\npermanganaattiluku olisi tarpeen arvioida, j\u00e4i kuitenkin my\u00f6s t\u00e4m\u00e4n m\u00e4\u00e4ritysrajan alle.\nK\u00e4yt\u00f6ss\u00e4 ollut menetelm\u00e4 todettiin my\u00f6s helppok\u00e4ytt\u00f6isimm\u00e4ksi. Haittapuolena oli suurehko\nkemikaalikulutus verrattuna vaihtoehtoisiin menetelmiin.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Paivi Vuorio (paelvuor@jyu.fi) on 2023-07-24T05:59:18Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2023-07-24T05:59:18Z (GMT). No. of bitstreams: 0\n Previous issue date: 2023", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "111", "language": "", "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": null, "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "kemiallinen hapenkulutus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "permanganaattiluku", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "permanganaattikulutus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "menetelmien vertailu", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Kemiallisen hapenkulutuksen m\u00e4\u00e4ritt\u00e4minen permanganaattilukuna", "language": "", "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-202307244575", "language": "", "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Matemaattis-luonnontieteellinen tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Sciences", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Kemian laitos", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Department of Chemistry", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Analyyttinen kemia", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Analytical Chemistry", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "yvv.contractresearch.collaborator", "value": "business", "language": "", "element": "contractresearch", "qualifier": "collaborator", "schema": "yvv"}, {"key": "yvv.contractresearch.funding", "value": "1610", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "yvv.contractresearch.initiative", "value": "student", "language": "", "element": "contractresearch", "qualifier": "initiative", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.copyright", "value": "\u00a9 The Author(s)", "language": null, "element": "rights", "qualifier": "copyright", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": null, "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "masterThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "40311", "language": "", "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "analyyttinen kemia", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "menetelm\u00e4t", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "selluteollisuus", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "kemia", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}]
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