Micro‐invasive method for studying lead isotopes in paintings

Micro‐invasive method for studying lead isotopes in paintings

A micro‐invasive technique is presented that enables pigment sampling from individual layers of a painting cross‐section by obtaining a furrow 10–50 μm wide of chosen length. Combined with increased sensitivity of lead (Pb) isotope analysis using multicollector inductively coupled plasma mass spectr...

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Veröffentlicht in:Archaeometry 2020-08, Vol.62 (4), p.796-809
Hauptverfasser: D'Imporzano, P., Keune, K., Koornneef, J. M., Hermens, E., Noble, P., Zuilen, K., Davies, G. R.
Format: Artikel
Sprache:eng
Schlagworte:
1013 Ω amplifier
Archaeology
Art & technology
Historic artifacts
Isotopes
lead isotopes
lead white pigment
Mass spectrometry
MC‐ICPMS
micro‐invasive sampling
Pigments
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Beschreibung
Zusammenfassung:A micro‐invasive technique is presented that enables pigment sampling from individual layers of a painting cross‐section by obtaining a furrow 10–50 μm wide of chosen length. Combined with increased sensitivity of lead (Pb) isotope analysis using multicollector inductively coupled plasma mass spectrometry (MC‐ICPMS) equipped with a 1013 Ω resistor or a Pb double‐spike technique, the amount of Pb needed for isotopic analysis is drastically reduced, while maintaining a relative 2 SD precision for 206Pb/204Pb of
ISSN:0003-813X
1475-4754
DOI:10.1111/arcm.12549