New Criteria for Classification of and Differenciation between Clay and Iron Oxide Pigments of Various Origins

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

New Criteria for Classification of and Differenciation between Clay and Iron Oxide Pigments of Various Origins

Popis výsledku v původním jazyce

In this paper we have verified that mineralogical composition of clay minerals in earthy pigments is a suitable tool for more detailed specification of material provenance and, in the case of ground layers, also the provenance of the artwork as such. Forthe purposes of statistical comparison we evaluated elemental composition of earthy grounds on 70 paintings from the 16th ? 18th centuries from Czech collections. We performed detailed mineralogical analyses for a selected representative number of grounds ? on 35 samples in total. We discerned 6 types of material in total ? 2 types of boles, 3 types of other earths, and one type representing iron-rich red from oxidized zones of hydrothermal ore deposits. We were able to distinguish between earthy pigments of Central European origin (coming from Czech and Bavarian locations) and those coming from North-Italian sources.

Název v anglickém jazyce

New Criteria for Classification of and Differenciation between Clay and Iron Oxide Pigments of Various Origins

Popis výsledku anglicky

In this paper we have verified that mineralogical composition of clay minerals in earthy pigments is a suitable tool for more detailed specification of material provenance and, in the case of ground layers, also the provenance of the artwork as such. Forthe purposes of statistical comparison we evaluated elemental composition of earthy grounds on 70 paintings from the 16th ? 18th centuries from Czech collections. We performed detailed mineralogical analyses for a selected representative number of grounds ? on 35 samples in total. We discerned 6 types of material in total ? 2 types of boles, 3 types of other earths, and one type representing iron-rich red from oxidized zones of hydrothermal ore deposits. We were able to distinguish between earthy pigments of Central European origin (coming from Czech and Bavarian locations) and those coming from North-Italian sources.

Druh

D - Stať ve sborníku

CEP obor

CB - Analytická chemie, separace

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2010

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

ACTA ARTIS ACADEMICA 2010: THE STORY OF ART - ARTWORK CHANGES IN TIME

ISBN

978-80-87108-14-7

ISSN

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e-ISSN

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Počet stran výsledku

12

Strana od-do

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Název nakladatele

Akademie výtvarných umění, Praha

Místo vydání

Prague, Czech Republic

Místo konání akce

Prague

Datum konání akce

24. 11. 2010

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

000288141200007