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Pregled bibliografske jedinice broj: 300058

Factors that may influence the micro-emulsion synthesis of nanosize magnetite particles


Gotić, Marijan; Jurkin, Tanja; Musić, Svetozar
Factors that may influence the micro-emulsion synthesis of nanosize magnetite particles // Colloid and Polymer Science, 285 (2007), 7; 793-800 (međunarodna recenzija, članak, znanstveni)


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Naslov
Factors that may influence the micro-emulsion synthesis of nanosize magnetite particles

Autori
Gotić, Marijan ; Jurkin, Tanja ; Musić, Svetozar

Izvornik
Colloid and Polymer Science (0303-402X) 285 (2007), 7; 793-800

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
micro-emulsion; gamma-irradiation; goethite; magnetite; Si-ferrihydrite

Sažetak
The influence of experimental conditions on the formation of nanosize magnetite by micro-emulsion method was investigated using Mossbauer and FT-IR spectroscopies, FE SEM/EDS and TEM. It was found that the concentration of starting chemicals (FeCl3/FeSO4, aeration/de-aeration, high alkalinity and gamma-irradiation influenced this precipitation process. Rod-like goethite particles 200-300 nm long and up to 10 nm wide were obtained by destabilization of the micro-emulsion aged 5 to 45 days at RT. Si-containing ferrihydrite was also formed and it retarded the formation of goethite by the dissolution/re-precipitation mechanism. A small amount of Si from a glass flask was dissolved. A very strong influence of gamma-irradiation of the formation of nanosize magnetite by micro-emulsion method was observed. Gamma-irradiation created strong reductive conditions in the micro-emulsion. At an around 460 kGy dose, nanosize magnetite particles sized around 5 to 20 nm and very small amount of goethite particles were obtained. The EDS measurements on the particles suggested the formation of sub-stoichiometric magnetite (Fe3-xO4)and not maghemite. This finding is in line with the strong reductive conditions induced with gamma-irradiation.

Izvorni jezik
Engleski

Znanstvena područja
Kemija



POVEZANOST RADA


Projekti:
098-0982904-2952 - Sinteza i mikrostruktura metalnih oksida i oksidnih stakala (Ristić, Mira, MZOS ) ( POIROT)
098-0982904-2955 - Odnosi struktura-svojstvo modificiranih polimernih materijala (Pucić, Irina, MZOS ) ( POIROT)

Ustanove:
Institut "Ruđer Bošković", Zagreb

Profili:

Avatar Url Svetozar Musić (autor)

Avatar Url Tanja Jurkin (autor)

Avatar Url Marijan Gotić (autor)

Poveznice na cjeloviti tekst rada:

Pristup cjelovitom tekstu rada

Citiraj ovu publikaciju:

Gotić, Marijan; Jurkin, Tanja; Musić, Svetozar
Factors that may influence the micro-emulsion synthesis of nanosize magnetite particles // Colloid and Polymer Science, 285 (2007), 7; 793-800 (međunarodna recenzija, članak, znanstveni)
Gotić, M., Jurkin, T. & Musić, S. (2007) Factors that may influence the micro-emulsion synthesis of nanosize magnetite particles. Colloid and Polymer Science, 285 (7), 793-800.
@article{article, author = {Goti\'{c}, Marijan and Jurkin, Tanja and Musi\'{c}, Svetozar}, year = {2007}, pages = {793-800}, keywords = {micro-emulsion, gamma-irradiation, goethite, magnetite, Si-ferrihydrite}, journal = {Colloid and Polymer Science}, volume = {285}, number = {7}, issn = {0303-402X}, title = {Factors that may influence the micro-emulsion synthesis of nanosize magnetite particles}, keyword = {micro-emulsion, gamma-irradiation, goethite, magnetite, Si-ferrihydrite} }
@article{article, author = {Goti\'{c}, Marijan and Jurkin, Tanja and Musi\'{c}, Svetozar}, year = {2007}, pages = {793-800}, keywords = {micro-emulsion, gamma-irradiation, goethite, magnetite, Si-ferrihydrite}, journal = {Colloid and Polymer Science}, volume = {285}, number = {7}, issn = {0303-402X}, title = {Factors that may influence the micro-emulsion synthesis of nanosize magnetite particles}, keyword = {micro-emulsion, gamma-irradiation, goethite, magnetite, Si-ferrihydrite} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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  • Chemical Abstracts





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