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Synthesis of acicular a-FeOOH particles at a very high pH


Krehula, Stjepko; Popović, Stanko; Musić, Svetozar
Synthesis of acicular a-FeOOH particles at a very high pH // Materials letters, 54 (2002), 2-3; 108-113 doi:10.1016/S0167-577X(01)00546-8 (međunarodna recenzija, članak, znanstveni)


Naslov
Synthesis of acicular a-FeOOH particles at a very high pH

Autori
Krehula, Stjepko ; Popović, Stanko ; Musić, Svetozar

Izvornik
Materials letters (0167-577X) 54 (2002), 2-3; 108-113

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

Ključne riječi
Goethite ; tetramethylammonium hydroxide ; acicular particles ; XRD ; FT-IR ; TEM

Sažetak
The acicular α-FeOOH particles were synthesized from FeCl3 solutions at a very high pH using tetramethylammonium hydroxide as a precipitating agent. Samples were characterized by X-ray powder diffraction, FT-IR spectroscopy and transmission electron microscopy. α-FeOOH precipitated as a single phase from room temperature to 160 °C in a broad aging time interval. The ratio of the length to the width of α-FeOOH particles depended on the temperature and concentration of the starting FeCl3 solution. Multidomainic character of α-FeOOH particles gradually decreased with an increase in the temperature and time of aging.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Kemija



POVEZANOST RADA


Projekt / tema
00980903
119202

Ustanove
Institut "Ruđer Bošković", Zagreb,
Prirodoslovno-matematički fakultet, Zagreb

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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