Editors: David Hradil, Janka Hradilová, Silvie Švarcová, Eva Kočí

Published by the Academy of Fine Arts in PRague, NLN,s.r.o.

The volume contains papers from the 7th ALMA Interdisciplinary Conference “The Colour Theme”, which took place from 16 October to 18 October 2019 at the University Library in Bratislava. The papers are printed in English only.

The proceedings have been published thanks to the financial support of the Academy of Fine Arts in Prague (Institutional Support) and Strategy AV21 (Academy of Sciences of the Czech Republic).

CONTENTS

EDITORIAL – Colour as a Theme / David Hradil and Janka Hradilová

SESSION 1 / CHANGING COLOURS

Cristina Serendan, Ciprian Firea, Simina Ișvanca, Alexandru Chelmuș

Original colours and painting technique of two 17th century post-byzantine icons

Jitka Šrejberová, Janka Hradilová

Original colours – one of the keys to interpretation of mediaeval works of art

Anabelle Križnar, Jana Želinská

Changing and disappearing colors in medieval wall paintings – examples from selected Slovak murals around 1400

Silvia Garrappa, Silvie Švarcová, Eva Kočí, Janka Hradilová, Petr Bezdička, David Hradil

Lead soaps in paintings: symptoms and the role of humidity

SESSION 2 / UNDERSTANDING COLOURS

Andrea Urland, Eva Šperka

When colour is more than pigments – the challenges of restoring architectural colour schemes

Konstantinos Stoupathis

Developing a conservation strategy for the retouching of fluorescent paintings: the case study Greek H. Lambert

Aldona Jędrusik

Sharing experiences in conservation – between art and show

Anna Klisińska-Kopacz, Michał Obarzanowski, Paulina Krupska, Anna Rygula, Julio del Hoyo Melendez

Jan Cybis, leader of the colourists painter’s group: analysis of the artist’s painting technique using spectroscopic methods

Luboš Machačko

Interdisciplinary research of painting technique of Josef Ceregetti on selected artworks

Boris Blatný, Janka Hradilová, Zuzana Ludiková, Radoslav Ragač, Stanislava Trginová

Interpretation of the painting the infant Saint John the Baptist with the lamb by Melchiorre Gherardini

Sara Jordi, Monika Blaser, Robert Sterchi, Jan Inauen, Daniel M. Meier

Identifying pure and applied JunFunori® – an algae-based consolidant

Michal Pech, Janka Hradilová

Identification of miniature paintings’ pigments using correlations of MA-XRF element maps

SESSION 3 / MAKING COLOURS

Irina Petroviciu, Ileana Crețu

Scale insect sources of dyes in textiles from Romanian collections

Zuzana Širillová, Lenka Hřebřinová, Janka Hradilová, Michal Pech, Olga Trmalová

Hidden pigments in portrait miniatures – Purple of Cassius

Christoph Herm

Emerald green versus Scheele’s green: evidence and occurrence

Sylwia Svorová Pawełkowicz, Michał Witkowski, Petr Svora, Barbara Wagner

Historic paint investigation of the Gierczyn parish church painted decoration in the context of the mining history of the region

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ACTA ARTIS ACADEMICA 2020

The Colour Theme