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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Hursthouse, M. B.
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Topics
Publications (10/10 displayed)
- 2010Seven 3-methylidene-1H-indol-2(3H)-ones related to the multiple-receptor tyrosine kinase inhibitor sunitinibcitations
- 2008A catemer-to-dimer structural transformation in cyheptamidecitations
- 2007The role of functional nitro and cyano groups in the self-assembly of 1,3-dithiole-2-thione-halogen adductscitations
- 2006New pyridyl modified phosphines: Synthesis and late transition-metal coordination studiescitations
- 2006The formation and isolation of benzisothiazole rings from the reactions of oxime-thiophenolate ligandscitations
- 2005Structures and physical properties of new ??-BEDT-TTF tris-oxalatometallate (III) salts containing chlorobenzene and halomethane guest moleculescitations
- 2003Synthesis and characterisation of a series of Group 7 metal 2,2,2,2-dicarbonylbis(triorganophosphine)-arachno-2-metallatetraboranes, M(CO)(2)L-2(B3H8) (M=Re, Mn); crystal and molecular structures of Re(CO)(2)(dppf)(B3H8) and Mn(CO)(2)(dppe)(B3H8)citations
- 2003The characterisation of lead fatty acid soaps in 'protrusions' in aged traditional oil paint.citations
- 2003Hybrid (Te, N) and (N, Te, N) ligands having pyrrolidine ring and their palladium(II) and mercury(II) complexes: synthesis and crystal structurescitations
- 2003First example of bimetallic complex of platinum(II) with a hybrid organotellurium ligand [(4-MeOC6H4Te)CH2CH2OCH2CH2CH2(2-C5H4N)] (L1) containing 20-membered metallomacrocycle ring: synthesis and crystal structurecitations
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article
The characterisation of lead fatty acid soaps in 'protrusions' in aged traditional oil paint.
Abstract
<p>Lead(II) carboxylate soaps of two fatty acids, palmitic (C15H31COOH) and stearic acids (C17H35COOH), and a dicarboxylic acid, azelaic acid (HOOCC7H14COOH), have been synthesised and characterised by FTIR spectroscopy. These acids are all encountered in aged traditional oil paint, the azelaic acid resulting from the oxidative degradation of unsaturated fatty acids in the oil. Lead(II) azelate synthesised by hydrothermal methods was characterised by single crystal structure determination. This has a 3D polymeric structure with lead(II) ions linked by carboxylate bridges to form an infinite stack of (PbO4)(n) units. These layers are connected to adjacent layers by an infinite number of parallel C(CH2)(7)C chains arranged perpendicularly to the stacks. The lead(II) ions display an unusual 7-fold coordination. The first direct evidence that the 'protrusions' encountered in aged traditional lead-containing oil paints contain lead soaps is reported. Their mechanism of formation is discussed. (C) 2003 Elsevier Ltd. All rights reserved.</p>