XRF elemental analysis of inks in South American manuscripts from 1779 to 1825

Abstract The Regional Archive of Cusco in Peru guards valuable history collections with exceptional regional and international value dating from the sixteenth century to the present. Historical manuscripts are part of the identity of all people; they constitute a tangible cultural heritage that must...

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Autores principales:	Celina Luízar Obregón, Marco A. Zamalloa Jara, Flor L. Rojas Arizapana, Yuri J. Chura Huayllani, Janet F. Gonzales Bellido, Jorge Olivera Olivera
Formato:	article
Lenguaje:	EN
Publicado:	SpringerOpen 2021
Materias:	Elemental analysis Nondestructive characterization Iron gall ink Writing ink Portable XRF Tupac Amaru II Fine Arts N Analytical chemistry QD71-142
Acceso en línea:	https://doaj.org/article/29e8ba235a3245eba0c8e7aba8e49147
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spelling	oai:doaj.org-article:29e8ba235a3245eba0c8e7aba8e491472021-11-14T12:11:01ZXRF elemental analysis of inks in South American manuscripts from 1779 to 182510.1186/s40494-021-00619-92050-7445https://doaj.org/article/29e8ba235a3245eba0c8e7aba8e491472021-11-01T00:00:00Zhttps://doi.org/10.1186/s40494-021-00619-9https://doaj.org/toc/2050-7445Abstract The Regional Archive of Cusco in Peru guards valuable history collections with exceptional regional and international value dating from the sixteenth century to the present. Historical manuscripts are part of the identity of all people; they constitute a tangible cultural heritage that must be studied, valued, and protected. In this sense, the objective of this research was to identify the chemical compositions of inks and paper, with the goals of setting the background of their originality, identifying relationships between them, and glimpsing antecedents that generated degradation due to the compositions of the inks. This study is the first of its kind in Peru and reveals the chemical elements present in the writing ink, the seal, and the paper of five documents from the late eighteenth and early nineteenth centuries. Duplicate in situ nondestructive analyses were carried out using a hand-held X-ray fluorescence spectrometer under ambient conditions in soil mode, configured with three sequential shots, and energies from zero to 40, 40, and 15 keV, respectively. The elements S and Fe were present as components of iron gall inks. Cu and Zn were less abundant; probably, they provided less corrosion and more color intensity to the inks. The minor elements Pb, As, and especially Ag in all manuscripts differentiate them from European inks of the same period. Additionally, the five documents reflect the same elemental compositions but with different concentrations. This could mean that writers used local raw materials and Spanish ink recipes. Finally, the analyses of standard reference material, SRM 1646a and SRM 196b, gave results with acceptable precision. Graphical AbstractCelina Luízar ObregónMarco A. Zamalloa JaraFlor L. Rojas ArizapanaYuri J. Chura HuayllaniJanet F. Gonzales BellidoJorge Olivera OliveraSpringerOpenarticleElemental analysisNondestructive characterizationIron gall inkWriting inkPortable XRFTupac Amaru IIFine ArtsNAnalytical chemistryQD71-142ENHeritage Science, Vol 9, Iss 1, Pp 1-15 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Elemental analysis Nondestructive characterization Iron gall ink Writing ink Portable XRF Tupac Amaru II Fine Arts N Analytical chemistry QD71-142
spellingShingle	Elemental analysis Nondestructive characterization Iron gall ink Writing ink Portable XRF Tupac Amaru II Fine Arts N Analytical chemistry QD71-142 Celina Luízar Obregón Marco A. Zamalloa Jara Flor L. Rojas Arizapana Yuri J. Chura Huayllani Janet F. Gonzales Bellido Jorge Olivera Olivera XRF elemental analysis of inks in South American manuscripts from 1779 to 1825
description	Abstract The Regional Archive of Cusco in Peru guards valuable history collections with exceptional regional and international value dating from the sixteenth century to the present. Historical manuscripts are part of the identity of all people; they constitute a tangible cultural heritage that must be studied, valued, and protected. In this sense, the objective of this research was to identify the chemical compositions of inks and paper, with the goals of setting the background of their originality, identifying relationships between them, and glimpsing antecedents that generated degradation due to the compositions of the inks. This study is the first of its kind in Peru and reveals the chemical elements present in the writing ink, the seal, and the paper of five documents from the late eighteenth and early nineteenth centuries. Duplicate in situ nondestructive analyses were carried out using a hand-held X-ray fluorescence spectrometer under ambient conditions in soil mode, configured with three sequential shots, and energies from zero to 40, 40, and 15 keV, respectively. The elements S and Fe were present as components of iron gall inks. Cu and Zn were less abundant; probably, they provided less corrosion and more color intensity to the inks. The minor elements Pb, As, and especially Ag in all manuscripts differentiate them from European inks of the same period. Additionally, the five documents reflect the same elemental compositions but with different concentrations. This could mean that writers used local raw materials and Spanish ink recipes. Finally, the analyses of standard reference material, SRM 1646a and SRM 196b, gave results with acceptable precision. Graphical Abstract
format	article
author	Celina Luízar Obregón Marco A. Zamalloa Jara Flor L. Rojas Arizapana Yuri J. Chura Huayllani Janet F. Gonzales Bellido Jorge Olivera Olivera
author_facet	Celina Luízar Obregón Marco A. Zamalloa Jara Flor L. Rojas Arizapana Yuri J. Chura Huayllani Janet F. Gonzales Bellido Jorge Olivera Olivera
author_sort	Celina Luízar Obregón
title	XRF elemental analysis of inks in South American manuscripts from 1779 to 1825
title_short	XRF elemental analysis of inks in South American manuscripts from 1779 to 1825
title_full	XRF elemental analysis of inks in South American manuscripts from 1779 to 1825
title_fullStr	XRF elemental analysis of inks in South American manuscripts from 1779 to 1825
title_full_unstemmed	XRF elemental analysis of inks in South American manuscripts from 1779 to 1825
title_sort	xrf elemental analysis of inks in south american manuscripts from 1779 to 1825
publisher	SpringerOpen
publishDate	2021
url	https://doaj.org/article/29e8ba235a3245eba0c8e7aba8e49147
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XRF elemental analysis of inks in South American manuscripts from 1779 to 1825

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