Journal
MICROCHEMICAL JOURNAL
Volume 146, Issue -, Pages 279-285Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.microc.2018.12.061
Keywords
Pigment identification; SEM-EDS; Raman spectroscopy; LA-ICP-MS
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Funding
- European Union from the European Regional Development Fund under the Operational Program Innovative Economy, 2007-2013
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Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) was used apart from Scanning Electron Microscopy (SEM) equipped with Energy Dispersive Spectroscopy (EDS) and Raman spectroscopy (RS) to support identification of inorganic pigments from historic oil painting. Samples in form of tiny particles were collected from painting layer during conservation processes. Detection of lead white (2PbCO(3)center dot Pb(OH)(2)); Naples yellow (Pb2Sb2O7); lead-tin-antimony yellow (Pb2SnSbO6.5); ochre (Fe2O3); ultramarine (Na8-10Al6Si6O24S2-4); smolt (CoO center dot nSiO(2)); cadmium yellow (CdS); malachite (2CuCO(3)center dot Cu(OH)(2)); chrome yellow (PbCrO4); ceruleum (CoSnO3), chalk (CaCO3); Schweinfurt green, Cu(C2H3O2)(2)center dot 3Cu(AsO2)(2); vermilion (HgS) and carbon black (C) is documented in this work. The aim of this study was to estimate eventual benefits for using LA-ICP-MS to attain coherent elemental and molecular information of paint micro-samples for cross-checking the reliability of their chemical identification. The use of LA-ICP-MS was helpful to get detailed elemental data for some mixtures of pigments when only microscopic amount of material was available for examinations.
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