{"data":{"id":"10.17628/ecb.2013.2.445-452","type":"dois","attributes":{"doi":"10.17628/ecb.2013.2.445-452","prefix":"10.17628","suffix":"ecb.2013.2.445-452","identifiers":[{"identifier":"6-21-275","identifierType":"publisherId"}],"alternateIdentifiers":[{"alternateIdentifierType":"publisherId","alternateIdentifier":"6-21-275"}],"creators":[{"name":"Giraldo, Liliana","nameType":"Personal","givenName":"Liliana","familyName":"Giraldo","affiliation":[],"nameIdentifiers":[]},{"name":"Moreno, Juan Carlos","nameType":"Personal","givenName":"Juan Carlos","familyName":"Moreno","affiliation":[],"nameIdentifiers":[]}],"titles":[{"title":"SYNTHESIS OF MAGNETITE NANOPARTICLES AND EXPLORING OF APPLICATION IN THE REMOVAL OF IONS Pt2+ AND Au3+ FROM AQUEOUS SOLUTIONS"}],"publisher":"European Chemical Bulletin","container":{"type":"Series","title":"European Chemical Bulletin","volume":"Vol 2","firstPage":"No 7 (2013): European Chemical Bulletin"},"publicationYear":2013,"subjects":[],"contributors":[],"dates":[{"date":"2013-02-21","dateType":"Submitted"},{"date":"2013-02-21","dateType":"Accepted"},{"date":"2013-03-05","dateType":"Issued"},{"date":"2017-02-09","dateType":"Updated"}],"language":"en","types":{"ris":"RPRT","bibtex":"article","citeproc":"article-journal","schemaOrg":"ScholarlyArticle","resourceType":"Article","resourceTypeGeneral":"Text"},"relatedIdentifiers":[],"relatedItems":[],"sizes":["445-452 Pages"],"formats":[],"version":null,"rightsList":[],"descriptions":[{"description":"This investigation studies the adsorption of Pt2+ and Au3+ ions from nitrate solutions using nanoparticles of magnetite (Fe3O4) synthesized in this work. The study is carried out by the analysis of the adsorption of Pt2+ and Au3+ ions on the surface of the nanoparticles by modifying several variables: contact time, solution pH, and initial Pt2+ and Au3+ ion concentration. The highly crystalline nature of the magnetite structure with a diameter of around 10 nm was characterized with transmission electron microscopy (TEM) and X-ray diffractometry (XRD). The surface area was determined to be 117.5 m2.g-1. The surface functional groups were investigated with Fourier transform-infrared spectroscopy (FTIR) as well. Batch experiments were carried out to determine the adsorption kinetics and mechanism of Pt2+ and Au3+ by these magnetite nanoparticles. The adsorption process was found to be pH dependent. The adsorption process better followed the pseudo-second-order equation and Freundlich isotherm. It has been found that the equilibrium can be attained in less than 5 min. Immersion microcalorimetry was explored as a new tool to establish the adsorption capacity of the ions under study with promising results.","descriptionType":"Abstract"},{"description":"European Chemical Bulletin, Vol 2, No 7 (2013): European Chemical Bulletin","descriptionType":"SeriesInformation"}],"geoLocations":[],"fundingReferences":[],"xml":"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","url":"http://www.eurchembull.com/index.php/ECB/article/view/275","contentUrl":null,"metadataVersion":0,"schemaVersion":null,"source":null,"isActive":true,"state":"findable","reason":null,"viewCount":0,"viewsOverTime":[],"downloadCount":0,"downloadsOverTime":[],"referenceCount":0,"citationCount":0,"citationsOverTime":[],"partCount":0,"partOfCount":0,"versionCount":0,"versionOfCount":0,"created":"2017-03-11T10:26:28.000Z","registered":"2017-03-11T10:26:28.000Z","published":"2013","updated":"2020-09-18T19:17:34.000Z"},"relationships":{"client":{"data":{"id":"mtakik.ecb","type":"clients"}},"provider":{"data":{"id":"cqik","type":"providers"}},"media":{"data":{"id":"10.17628/ecb.2013.2.445-452","type":"media"}},"references":{"data":[]},"citations":{"data":[]},"parts":{"data":[]},"partOf":{"data":[]},"versions":{"data":[]},"versionOf":{"data":[]}}}}