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[{"key": "dc.contributor.advisor", "value": "Matilainen, Rose", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Siljanto, Jimi", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2022-04-07T05:40:37Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2022-04-07T05:40:37Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2022", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/80524", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "T\u00e4m\u00e4n kandidaatintutkielman tavoitteena oli syventy\u00e4 analyyttisiin menetelmiin, joilla voidaan kvantitatiivisesti m\u00e4\u00e4ritt\u00e4\u00e4 suolan\u00e4ytteess\u00e4 olevien ep\u00e4puhtausionien pitoisuus. Tutkielmassa keskityttiin erityisesti ammoniumvetyfosfaatissa esiintyvien litium-, rauta-, lyijy- sek\u00e4 sulfaattiep\u00e4puhtauksien m\u00e4\u00e4ritt\u00e4miseen. Ty\u00f6ss\u00e4 perehdyttiin my\u00f6s yhdisteen taustaan, sen soveltuvuuteen lannoitteena, sek\u00e4 vastaavien ionien vaikutuksiin lannoitek\u00e4yt\u00f6ss\u00e4 ja maanviljelyss\u00e4. Kullekin ionille haettiin kolme eri pitoisuusanalyysimenetelm\u00e4\u00e4. Tutkielman haasteena oli l\u00f6yt\u00e4\u00e4 mahdollisimman k\u00e4yt\u00e4nn\u00f6llisimm\u00e4t menetelm\u00e4t, joissa muiden ionien l\u00e4sn\u00e4olo ei h\u00e4iritse tai est\u00e4 halutun ep\u00e4puhtausionin tutkimista. M\u00e4\u00e4rityst\u00e4 h\u00e4iritseville ioneille tulee tarvittaessa olla voimassa erotus- tai maskausvaiheita, joilla parannetaan menetelm\u00e4n selektiivisyytt\u00e4, mutta mik\u00e4 usein my\u00f6s uhraa mittauksen t\u00e4sm\u00e4llisyytt\u00e4. Ty\u00f6n kullekin ionille etsittiin yksi klassinen m\u00e4\u00e4ritysmenetelm\u00e4, ja loput menetelm\u00e4t olivat instrumentaalisia. Tutkimusprojektissa varsinaisia analyysej\u00e4 toteutettiin laboratoriossa. Kunkin ionin kolmesta menetelm\u00e4st\u00e4 ne m\u00e4\u00e4ritettiin yhdell\u00e4 parhaaksi n\u00e4kem\u00e4ll\u00e4 menetelm\u00e4ll\u00e4. Projektin m\u00e4\u00e4ritykset saatiin toteutettua 1,4\u20131,7 % poikkeamalla ja 1,5\u201313,9 % suhteellisen keskihajonnalla. Tutkielman menetel\u00adm\u00e4t soveltuvat kvantitatiivisena ja kvalitatiivisena sis\u00e4ll\u00f6nanalyysin\u00e4 ja esimerkiksi kaupallisen tuotteen laadunvarmistuksena. Joillakin menetelmill\u00e4 on lis\u00e4ksi mahdollista tutkia muitakin ominaisuuksia, tai mitata muitakin parametreja, kuin vain alkuaine- tai ionikonsentraatioita.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Paivi Vuorio (paelvuor@jyu.fi) on 2022-04-07T05:40:37Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2022-04-07T05:40:37Z (GMT). No. of bitstreams: 0\n Previous issue date: 2022", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "48", "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": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.title", "value": "Ep\u00e4puhtausionien analyyttinen m\u00e4\u00e4ritys ioniyhdisteest\u00e4", "language": "", "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "bachelor thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-202204072204", "language": "", "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Bachelor's thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Kandidaatinty\u00f6", "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.funding", "value": "0", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_7a1f", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": null, "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "bachelorThesis", "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": "kemia", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "analyysimenetelm\u00e4t", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "kemiallinen analyysi", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "ionit", "language": null, "element": "subject", "qualifier": "yso", "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": "pitoisuus", "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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