2016
DOI: 10.1038/srep20763
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Tracking ink composition on Herculaneum papyrus scrolls: quantification and speciation of lead by X-ray based techniques and Monte Carlo simulations

Abstract: The writing in carbonized Herculaneum scrolls, covered and preserved by the pyroclastic events of the Vesuvius in 79 AD, was recently revealed using X-ray phase-contrast tomography, without the need of unrolling the sensitive scrolls. Unfortunately, some of the text is difficult to read due to the interference of the papyrus fibers crossing the written text vertically and horizontally. Recently, lead was found as an elemental constituent in the writing, rendering the text more clearly readable when monitoring … Show more

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Cited by 36 publications
(25 citation statements)
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“…The only element that is significantly enhanced in the ink and not the papyrus is Pb, consistent with earlier research, where the Pb in the ink is believed to be hosted within the mineral galena (PbS) (Wagner et al ., 2007). High concentrations of lead have also been found in the ink of some Herculaneum papyri (Brun et al ., 2016), possibly resulting from pigments or drying agents; contamination from the water used to produce the ink is ruled out by the high Pb concentrations (Tack et al ., 2016). There is no indication of iron-gall inks (sensu Cockle, 1983; see also Edmonds, 1998) in any of the papyri examined.…”
Section: Discussionmentioning
confidence: 99%
“…The only element that is significantly enhanced in the ink and not the papyrus is Pb, consistent with earlier research, where the Pb in the ink is believed to be hosted within the mineral galena (PbS) (Wagner et al ., 2007). High concentrations of lead have also been found in the ink of some Herculaneum papyri (Brun et al ., 2016), possibly resulting from pigments or drying agents; contamination from the water used to produce the ink is ruled out by the high Pb concentrations (Tack et al ., 2016). There is no indication of iron-gall inks (sensu Cockle, 1983; see also Edmonds, 1998) in any of the papyri examined.…”
Section: Discussionmentioning
confidence: 99%
“…Pliny does describe the use of minium (red lead) in books, but only for writing specific letters. These hypotheses are being tested by further experiments and will be discussed elsewhere (20).…”
Section: Significancementioning
confidence: 99%
“…The setup enables spatial sensitive research in the fields of corrosion science, archeology and depth resolved analysis of ion-exchanged glasses. [7][8][9][10] In this work, an in-depth characterization of the polycapillary optics and beam line conditions relevant to confocal experiments at BM26A is presented. Two recently performed experiments highlight many of the capabilities of our confocal setup, such as 3D XRF imaging and localized µ-EXAFS, on Fe-rich inclusions in a Deep Earth diamond and on the Iron Gall ink on a rare historical document, a letter from the court of King Philip II of Spain to the archbishop of Mexico.…”
mentioning
confidence: 99%