prikaz prve stranice dokumenta In situ phase analysis of the thermal decomposition products of zirconium salts
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In situ phase analysis of the thermal decomposition products of zirconium salts
Croatica Chemica Acta, 72 (1999), 2-3; 395-412. urn:nbn:hr:217:327313
Štefančić, Goran; Gržeta, Biserka; Popović, Stanko; Musić, Svetozar

Institucijski repozitorij: Repozitorij Prirodoslovno-matematičkog fakulteta

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Štefančić, G., Gržeta, B., Popović, S. i Musić, S. (1999). In situ phase analysis of the thermal decomposition products of zirconium salts. Croatica Chemica Acta, 72. (2-3), 395-412. Preuzeto s https://urn.nsk.hr/urn:nbn:hr:217:327313

Štefančić, Goran, et al. "In situ phase analysis of the thermal decomposition products of zirconium salts." Croatica Chemica Acta, vol. 72, br. 2-3, 1999, str. 395-412. https://urn.nsk.hr/urn:nbn:hr:217:327313

Štefančić, Goran, Biserka Gržeta, Stanko Popović i Svetozar Musić. "In situ phase analysis of the thermal decomposition products of zirconium salts." Croatica Chemica Acta 72, br. 2-3 (1999): 395-412. https://urn.nsk.hr/urn:nbn:hr:217:327313

Štefančić, G., et al. (1999) 'In situ phase analysis of the thermal decomposition products of zirconium salts', Croatica Chemica Acta, 72(2-3), str. 395-412. Preuzeto s: https://urn.nsk.hr/urn:nbn:hr:217:327313 (Datum pristupa: 04.12.2024.)

Štefančić G, Gržeta B, Popović S, Musić S. In situ phase analysis of the thermal decomposition products of zirconium salts. Croatica Chemica Acta [Internet]. 1999. [pristupljeno 04.12.2024.];72(2-3):395-412. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:217:327313

G. Štefančić, B. Gržeta, S. Popović i S. Musić, "In situ phase analysis of the thermal decomposition products of zirconium salts", Croatica Chemica Acta, vol. 72, br. 2-3, str. 395-412, 1999. [Online]. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:217:327313. [Citirano: 04.12.2024.]

Za citiranje koristite ovu mrežnu adresu: https://urn.nsk.hr/urn:nbn:hr:217:327313
Podaci o radu
Naslov (engleski)In situ phase analysis of the thermal decomposition products of zirconium salts
AutorGoran Štefančić
AutorBiserka Gržeta
AutorStanko Popović
AutorSvetozar Musić
Autorova ustanovaSveučilište u Zagrebu
Prirodoslovno-matematički fakultet
(Fizički odsjek)
Znanstveno / umjetničko
područje, polje i grana		PRIRODNE ZNANOSTI
Fizika
Sažetak (engleski)
X-ray powder diffraction at high temperature was used to determine the phase composition of the thermal decomposition products of two zirconium salts, Zr(SO4)2 ⋅ 4 H2O and ZrO(N03)2 ⋅ 2 H2O, and of a mixture of zirconium nitrates having Zr(OH)2(NO3)2 ⋅ 4.7 H2O and ZrO(NO3)2 ⋅ 2 H2O as dominant components. Heating of the samples up to 1200 °C was performed inside a high-temperature chamber, attached to a diffractometer, at an air pressure of ≈ 2 × 10-3 Pa. Regardless of the structural differences in the start-ing salts, thermal decomposition products crystallized to t-ZrO2, which remained stable up to 1200 °C. This result indicated that the structural nature of the starting materials was not the most important factor of metastable t-ZrO2 formation. The thermodynamically stable m-ZrO2 appeared after the cooling of the samples to room temperature. If the cooling was performed at low air pressure, the m-ZrO2 content was small. Introduction of air, even at RT, caused a considerable increase of m-ZrO2, which became the dominant phase in ali cases. The important role of oxygen in the t-ZrO2 → m-ZrO2 transition indicates that the lack of oxygen in the zirconia lattice favours the formation of metastable t-ZrO2.
Ključne riječi (engleski)
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. 72, br. 2-3, str. 395-412
p-ISSN0011-1643
e-ISSN1334-417X
URN:NBNurn:nbn:hr:217:327313
Datum objave publikacije1999
URL dokumentahttps://hrcak.srce.hr/132180
Vrsta resursaTekst
Prava pristupaOtvoreni pristup
Uvjeti korištenjaIkona licence Zaštićeno autorskim pravom.
Datum i vrijeme pohrane2019-10-10 09:21:08