Dr. Antonio Doménech-Carbó (auth.), Dr. Antonio's Electrochemical methods in archaeometry, conservation and PDF

By Dr. Antonio Doménech-Carbó (auth.), Dr. Antonio Doménech-Carbó, Prof.Dr. María Teresa Doménech-Carbó, Prof.Dr. Virginia Costa (eds.)

ISBN-10: 3540928677

ISBN-13: 9783540928676

Electrochemistry performs a big position in conserving our cultural history. For the 1st time this has been documented within the current quantity. insurance comprises either electrochemical methods comparable to corrosion and electroanalytical concepts permitting to examine micro- and nanosamples from artistic endeavors or archaeological reveals. whereas this quantity is essentially aimed toward electrochemists and analytical chemists, it additionally includes correct info for conservators, restorers, and archaeologists.

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Portable instruments enabling in situ investigations, as well as alternative techniques such as micro-XRF, polychromatic synchrotron microXRF, total reflection XRF or x-ray absorption have been proposed in an attempt to improve the obtained results [20]. The main advantages of XRF techniques are their rapidily enabling multicomponent analysis, and providing simple spectra, accuracy, and reproducibility. Applications of this technique to the analysis of artwork have been related to the identification and determination of major, minor, and trace elements composing inorganic materials such as pigments, metal, stone, ceramics, glass, surface coatings, and deposits of adventitious materials on the surface, etc.

Electron paramagnetic resonance spectroscopy (EPR) (also called electron spin resonance spectroscopy, ESR) has been scarcely applied in the field of art and art conservation. Some work can be found in which EPR is used as complementary technique to SEM-EDX, NMR, and mass spectrometry (MS) for studying free radicals occurring in polymerization, pyrolytic, oxidative, and other radical degradative processes in artwork, as well as in the characterization of varnishes and oleoresinous media [42]. (d) Spectrometric techniques.

1 Introduction As previously noted, the identification of components in works of art and archaeological objects is a difficult task during their scientific examination. Samples usually appear as heterogeneous or (apparently) homogeneous solid materials, frequently incorporating different portions; for instance, preparative, pigmenting, and protective layers in paints. , of the solid sample. This approach offers two main drawbacks: (i) the disposal of sample amounts restricted to the ngμm range, thus requiring high sensitive methods, and especially (ii) the loss of analytical information due to the chemical attack on the sample.

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Electrochemical methods in archaeometry, conservation and restoration by Dr. Antonio Doménech-Carbó (auth.), Dr. Antonio Doménech-Carbó, Prof.Dr. María Teresa Doménech-Carbó, Prof.Dr. Virginia Costa (eds.)


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