High resolution/accurate mass tandem MS of isotopically complex cluster ions from the artists’ pigment lead white

Michael P. Napolitano, Maria C.Prieto Conaway, Ping Chung Kuo, Julie Arslanoglu, Richard A. Yost

Research output: Contribution to journalArticle

Abstract

The pigment lead white ((PbCO3)2·Pb(OH)2) was analyzed by LDI-MS/MS and LDI-Orbitrap-MS/MS for the first time. The elucidation of formulae from a suite of isotopically complex cluster ions was obtained from low- and high-resolution full- and tandem-mass spectra in concert with both deductive and inductive reasoning. The unique isotopic pattern of lead was used both to delineate the full-scan spectrum into superclusters and to identify the monoisotopic mass of each cluster, from which a lead-limited, accurate formula could be derived. Chemical formulae for the clusters of lead white followed the form PbxOyHz. Also, the in situ detection of lead white by LDI-MS was achieved for cross sections of painted works of art.

Original languageEnglish
Pages (from-to)19-26
Number of pages8
JournalInternational Journal of Mass Spectrometry
Volume439
DOIs
Publication statusPublished - 2019 May

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pigments
Pigments
Lead
Ions
high resolution
ions
arts
mass spectra
cross sections

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Condensed Matter Physics
  • Spectroscopy
  • Physical and Theoretical Chemistry

Cite this

Napolitano, Michael P. ; Conaway, Maria C.Prieto ; Kuo, Ping Chung ; Arslanoglu, Julie ; Yost, Richard A. / High resolution/accurate mass tandem MS of isotopically complex cluster ions from the artists’ pigment lead white. In: International Journal of Mass Spectrometry. 2019 ; Vol. 439. pp. 19-26.
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High resolution/accurate mass tandem MS of isotopically complex cluster ions from the artists’ pigment lead white. / Napolitano, Michael P.; Conaway, Maria C.Prieto; Kuo, Ping Chung; Arslanoglu, Julie; Yost, Richard A.

In: International Journal of Mass Spectrometry, Vol. 439, 05.2019, p. 19-26.

Research output: Contribution to journalArticle

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AB - The pigment lead white ((PbCO3)2·Pb(OH)2) was analyzed by LDI-MS/MS and LDI-Orbitrap-MS/MS for the first time. The elucidation of formulae from a suite of isotopically complex cluster ions was obtained from low- and high-resolution full- and tandem-mass spectra in concert with both deductive and inductive reasoning. The unique isotopic pattern of lead was used both to delineate the full-scan spectrum into superclusters and to identify the monoisotopic mass of each cluster, from which a lead-limited, accurate formula could be derived. Chemical formulae for the clusters of lead white followed the form PbxOyHz. Also, the in situ detection of lead white by LDI-MS was achieved for cross sections of painted works of art.

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