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Statements

Subject Item
n2:RIV%2F60461373%3A22810%2F12%3A43894411%21RIV13-MSM-22810___
rdf:type
skos:Concept n9:Vysledek
dcterms:description
Remains of a prehistoric ceramic object, a moon-shaped idol from the Bronze Age found in archaeological site Zdiby near Prague in the Czech Republic, were studied especially in terms of the firing temperature. Archaeological ceramics was usually fired at temperatures below 1000 °C. It contained unstable non-crystalline products, residua after calcination of clay components of a ceramic material. These products as metakaolinite can undergo a reverse rehydration to a structure close to kaolinite. The aim of this work was to prove whether the identified kaolinite in archaeological ceramics is a product of rehydration. The model compound containing high amount of kaolinite was prepared in order to follow its changes during calcination and hydrothermal treatment. Archaeological ceramics and the model compound were treated by hydrothermal ageing and studied by XRF, XRD and IR analyses. It was proved that the presence of kaolinite in the border-parts of the archaeological object was not a product of rehydration, but that it originated from the raw materials. Remains of a prehistoric ceramic object, a moon-shaped idol from the Bronze Age found in archaeological site Zdiby near Prague in the Czech Republic, were studied especially in terms of the firing temperature. Archaeological ceramics was usually fired at temperatures below 1000 °C. It contained unstable non-crystalline products, residua after calcination of clay components of a ceramic material. These products as metakaolinite can undergo a reverse rehydration to a structure close to kaolinite. The aim of this work was to prove whether the identified kaolinite in archaeological ceramics is a product of rehydration. The model compound containing high amount of kaolinite was prepared in order to follow its changes during calcination and hydrothermal treatment. Archaeological ceramics and the model compound were treated by hydrothermal ageing and studied by XRF, XRD and IR analyses. It was proved that the presence of kaolinite in the border-parts of the archaeological object was not a product of rehydration, but that it originated from the raw materials.
dcterms:title
Ageing of low-firing prehistoric ceramics in hydrothermal conditions Ageing of low-firing prehistoric ceramics in hydrothermal conditions
skos:prefLabel
Ageing of low-firing prehistoric ceramics in hydrothermal conditions Ageing of low-firing prehistoric ceramics in hydrothermal conditions
skos:notation
RIV/60461373:22810/12:43894411!RIV13-MSM-22810___
n9:predkladatel
n10:orjk%3A22810
n3:aktivita
n14:S
n3:aktivity
S
n3:cisloPeriodika
1
n3:dodaniDat
n6:2013
n3:domaciTvurceVysledku
n15:3442624
n3:druhVysledku
n18:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
121308
n3:idVysledku
RIV/60461373:22810/12:43894411
n3:jazykVysledku
n17:eng
n3:klicovaSlova
kaolinite; ageing; prehistoric ceramics
n3:klicoveSlovo
n12:ageing n12:prehistoric%20ceramics n12:kaolinite
n3:kodStatuVydavatele
BA - Bosna a Hercegovina
n3:kontrolniKodProRIV
[7588FE3A7C65]
n3:nazevZdroje
Processing and Application of Ceramics
n3:obor
n13:AC
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:rokUplatneniVysledku
n6:2012
n3:svazekPeriodika
6
n3:tvurceVysledku
Kohoutková, Martina Kloužková, Alexandra Zemenová, Petra
s:issn
1820-6131
s:numberOfPages
6
n16:organizacniJednotka
22810