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Influence of Urotropin on the Precipitation of Iron Oxides from FeCl 3 Solutions
Croatica Chemica Acta, 71 (1998), 4; 1019-1038. urn:nbn:hr:217:989462
Šarić, Ankica; Musić, Svetozar; Nomura, Kiyoshi; Popović, Stanko

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Šarić, A., Musić, S., Nomura, K. i Popović, S. (1998). Influence of Urotropin on the Precipitation of Iron Oxides from FeCl 3 Solutions. Croatica Chemica Acta, 71. (4), 1019-1038. Preuzeto s https://urn.nsk.hr/urn:nbn:hr:217:989462

Šarić, Ankica, et al. "Influence of Urotropin on the Precipitation of Iron Oxides from FeCl 3 Solutions." Croatica Chemica Acta, vol. 71, br. 4, 1998, str. 1019-1038. https://urn.nsk.hr/urn:nbn:hr:217:989462

Šarić, Ankica, Svetozar Musić, Kiyoshi Nomura i Stanko Popović. "Influence of Urotropin on the Precipitation of Iron Oxides from FeCl 3 Solutions." Croatica Chemica Acta 71, br. 4 (1998): 1019-1038. https://urn.nsk.hr/urn:nbn:hr:217:989462

Šarić, A., et al. (1998) 'Influence of Urotropin on the Precipitation of Iron Oxides from FeCl 3 Solutions', Croatica Chemica Acta, 71(4), str. 1019-1038. Preuzeto s: https://urn.nsk.hr/urn:nbn:hr:217:989462 (Datum pristupa: 14.11.2024.)

Šarić A, Musić S, Nomura K, Popović S. Influence of Urotropin on the Precipitation of Iron Oxides from FeCl 3 Solutions. Croatica Chemica Acta [Internet]. 1998. [pristupljeno 14.11.2024.];71(4):1019-1038. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:217:989462

A. Šarić, S. Musić, K. Nomura i S. Popović, "Influence of Urotropin on the Precipitation of Iron Oxides from FeCl 3 Solutions", Croatica Chemica Acta, vol. 71, br. 4, str. 1019-1038, 1998. [Online]. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:217:989462. [Citirano: 14.11.2024.]

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Naslov (engleski)Influence of Urotropin on the Precipitation of Iron Oxides from FeCl 3 Solutions
AutorAnkica Šarić
AutorSvetozar Musić
AutorKiyoshi Nomura
AutorStanko Popović
Autorova ustanovaSveučilište u Zagrebu
Prirodoslovno-matematički fakultet
(Fizički odsjek)
Znanstveno / umjetničko
područje, polje i grana		PRIRODNE ZNANOSTI
Fizika
Sažetak (engleski)
Precipitations of iron oxides from FeCl3 solutions in the presenceof urotropin at 90 oC were monitored using the Fourier transforminfrared spectroscopy, Mössbauer spectroscopy, X-ray diffractionand transmission electron microscopy. Urotropin was used as agenerator of OH– ions. The precipitation processes depended on theconcentrations of FeCl3 and urotropin and the time of aging. After1 day of aging the precipitation systems up to pH ≈ 2, the β-FeOOHphase was precipitated, while in the region of 5 < pH < 6 the mixturesof β-FeOOH, α-Fe2O3 and α-FeOOH were precipitated, andat pH > 6 the mixtures of α-Fe2O3 and α-FeOOH were observed.The -FeOOH phase precipitated at 2.16 < pH < 5.55 dissolved after7 days, yielding soluble iron for the α-FeOOH growth on account ofα-Fe2O3. At pH ≈ 1.5 and less, β-FeOOH was present as a singlephase up to 7 days of aging the precipitation systems. The mechanismsof iron oxide precipitation in dependence on pH were discussed.The size and morphology of oxide particles were stronglyinfluenced by experimental conditions of the precipitation processas shown by transmission electron microscopy.
Jezikengleski
Vrsta publikacijeZnanstveni rad - Izvorni znanstveni rad
Status objaveObjavljen
Vrsta recenzijeRecenziran - međunarodna recenzija
Verzija publikacijeObjavljena verzija rada (izdavačev PDF)
Naslov časopisaCroatica Chemica Acta
Brojčani podacivol. 71, br. 4, str. 1019-1038
p-ISSN0011-1643
e-ISSN1334-417X
URN:NBNurn:nbn:hr:217:989462
Datum objave publikacije1998
URL dokumentahttps://hrcak.srce.hr/132435
Vrsta resursaTekst
Prava pristupaOtvoreni pristup
Uvjeti korištenjaIkona licence Zaštićeno autorskim pravom.
Datum i vrijeme pohrane2019-10-06 13:27:16