Results 11 to 20 of about 25,843 (257)
A Critical Review on the Analysis of Metal Soaps in Oil Paintings [PDF]
ChemistryOpen, 2021 Up to 70 % of the oil paintings conserved in collections present metal soaps, which result from the chemical reaction between metal ions present in the painted layers and free fatty acids from the lipidic binders.
Prof. Francesca Caterina Izzo +3 more
doaj +3 more sources
Heritage Science, 2023 Metal soaps, the organic salts resulting from the interaction of fatty acids and metal cations, arouse interest in the scientific field because of their versatility in a great range of chemical applications as well as because of the mechanism of their ...
Silvia Russo +3 more
doaj +5 more sources
First Insights into the Formation of Metal Soaps in Alkyd-Based Paints: A Proof-of-Concept Investigation Using FTIR Spectroscopy [PDF]
MoleculesThe formation of metal soaps or carboxylates in oil paintings is a widely studied topic. Expanding upon the extant research on the subject, this work investigates the formation of metal soaps as pertaining to alkyd-based media.
Tommaso Poli +5 more
doaj +2 more sources
About metal soaps in ethnographic collections
CeROArt : Conservation, Exposition, Restauration d'Objets d'ArtThis article discusses the value of ethnographic objects in museums and collections, and the challenges of preserving them due to their complex composition and poly-materiality.
Silvia Russo +5 more
doaj +4 more sources
Time-Dependent ATR-FTIR Spectroscopic Studies on Fatty Acid Diffusion and the Formation of Metal Soaps in Oil Paint Model Systems. [PDF]
Angew Chem Int Ed Engl, 2018 Baij L, Hermans JJ, Keune K, Iedema P.
europepmc +2 more sources
Preparation and characterization of Zinc metal soap from shea butter (Vitellaria paradoxa)
Journal of Nigerian Society of Physical Sciences, 2021 Zinc metal soaps are of great importance in the manufacture of personal care products and other industrial applications. Variations in the soaps and their properties are usually due to the type of oil used in the synthesis.
O. Amos, T. E Odetoye, D. S. Ogunniyi
doaj +1 more source
Molecules, 2021 In a cultural heritage context, fatty acids are usually found as breakdown products of lipid-containing organic remains in archaeological findings, binders in aged oil paintings, and additives in modern art-related materials.
Anna Filopoulou +2 more
doaj +1 more source
Catalytic thermal decarboxylation of palm kernel oil basic soap into drop-in fuel [PDF]
MATEC Web of Conferences, 2019 Catalytic thermal decarboxylation of basic soaps derived from palm kernel oil to produce dropin fuel was investigated. The C12/14 and C12/16 methyl ester had been used as the model compounds of this study. The purpose of this study was to produce drop-in
Neonufa Godlief +4 more
doaj +1 more source
Preparation and Characterization of Metal Soaps of Cocos nucifera Seed Oil
Journal of Applied Sciences and Environmental Management, 2014 This study investigated the extraction of Cocos nucifera seed oil (CSO) from Cocos nucifera seed using aqueous processing and the production of metal soaps from the oil and their characterization in terms of colour, pH, free caustic alkalinity, foaming ...
E K Ossai
doaj +1 more source
Breaking down banners: analytical approaches to determining the materials of painted banners [PDF]
, 2016 Background: This paper investigates a range of analytical techniques to yield information about the materials and processes used in making painted banners.
Hermens, E., Smith, M.J., Thompson, K.
core +2 more sources