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Synthesis of forsterite powder from zeolite precursors

Kosanović, Cleo; Stubičar, Nada; Tomašić, Nenad; Bermanec, Vladimir; Stubičar, Mirko; Ivanković, Hrvoje (2006) Synthesis of forsterite powder from zeolite precursors. Croatica Chemica Acta, 79 (2). pp. 203-208. ISSN 0011-1643

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Powder mixtures of NH4-exchanged zeolite A and MgO, and of NH4-exchanged mordenite and MgO were used as starting materials in the synthesis of crystalline ceramic materials. Conventional ball milling was applied in order to amorphize NH4-exchanged zeolites, reduce the particle size of MgO, and produce a homogeneous mixture. Solid-state transformation of the mixtures after heating at the temperature of their phase transformations in the interval 800 degrees C - 1000 degrees C for 3 hours yielded crystalline forsterite (Mg2SiO4) with possible minor amounts of sapphirine (Mg4Al10Si2O23) in the first case, and to crystalline forsterite (Mg2SiO4) with traces of enstatite (MgSiO3) in the second case.

Item Type: Article
Uncontrolled Keywords: ceramics; forsterite; zeolite precursor; high energy ball-milling; solid state transformation; mg2sio4; mechanochemistry; amorphization; fiber
Subjects: NATURAL SCIENCES > Chemistry
Divisions: Division of Materials Chemistry
Project titleProject leaderProject codeProject type
Istraživanje procesa kristalizacije i primjene zeolitaBoris Subotić0098060MZOS
Kristalokemija i druga svojstva nedovoljno opisanih mineralaVladimir Bermanec506065MZOS
Struktura i dinamika na medupovršini fazaNada Stubičar0119622MZOS
Novi materijali za posebne namjeneHelena Jasna Mencer0125019MZOS
Depositing User: Virna Brumnić
Date Deposited: 28 Oct 2013 15:02

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