RAMAN AND X-RAY FLUORESCENCE TO IDENTIFY COLORS OF THE GERMAN HYPERINFLATION STAMPS OF THE 1923 COLLECTION

ABSTRACT Colors of a collection set of postage stamps dated 1923 and corresponding to the hyperinflationary period of the German economy were identified with Raman and X-ray fluorescence (XRF) spectroscopies. Molecular systems associated to the blue, green and yellow colours were characterized. Blue...

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Autores principales:	Gómez-Jeria,J.S., Campos-Vallette,M.M., Carrasco-Flores,E.A., Gutiérrez V,S.
Lenguaje:	English
Publicado:	Sociedad Chilena de Química 2019
Materias:	Archaeophilately German hyperinflation postage stamps forgery Raman spectrum XRF β-naphthol azopigments Prussian blue crocoite zinc oxide
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072019000404622
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spelling	oai:scielo:S0717-970720190004046222020-02-03RAMAN AND X-RAY FLUORESCENCE TO IDENTIFY COLORS OF THE GERMAN HYPERINFLATION STAMPS OF THE 1923 COLLECTIONGómez-Jeria,J.S.Campos-Vallette,M.M.Carrasco-Flores,E.A.Gutiérrez V,S. Archaeophilately German hyperinflation postage stamps forgery Raman spectrum XRF β-naphthol azopigments Prussian blue crocoite zinc oxide ABSTRACT Colors of a collection set of postage stamps dated 1923 and corresponding to the hyperinflationary period of the German economy were identified with Raman and X-ray fluorescence (XRF) spectroscopies. Molecular systems associated to the blue, green and yellow colours were characterized. Blue colour is Prussian blue (Fe4[Fe(CN)6]3) and the green colour resulted to be a combination of Prussian blue and the yellow/orange pigment (PbCrO4) or a yellow β-naphthol like monoazopigment. The XRF data suggest that ZnO was used as filler.info:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.64 n.4 20192019-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072019000404622en10.4067/S0717-97072019000404622
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Archaeophilately German hyperinflation postage stamps forgery Raman spectrum XRF β-naphthol azopigments Prussian blue crocoite zinc oxide
spellingShingle	Archaeophilately German hyperinflation postage stamps forgery Raman spectrum XRF β-naphthol azopigments Prussian blue crocoite zinc oxide Gómez-Jeria,J.S. Campos-Vallette,M.M. Carrasco-Flores,E.A. Gutiérrez V,S. RAMAN AND X-RAY FLUORESCENCE TO IDENTIFY COLORS OF THE GERMAN HYPERINFLATION STAMPS OF THE 1923 COLLECTION
description	ABSTRACT Colors of a collection set of postage stamps dated 1923 and corresponding to the hyperinflationary period of the German economy were identified with Raman and X-ray fluorescence (XRF) spectroscopies. Molecular systems associated to the blue, green and yellow colours were characterized. Blue colour is Prussian blue (Fe4[Fe(CN)6]3) and the green colour resulted to be a combination of Prussian blue and the yellow/orange pigment (PbCrO4) or a yellow β-naphthol like monoazopigment. The XRF data suggest that ZnO was used as filler.
author	Gómez-Jeria,J.S. Campos-Vallette,M.M. Carrasco-Flores,E.A. Gutiérrez V,S.
author_facet	Gómez-Jeria,J.S. Campos-Vallette,M.M. Carrasco-Flores,E.A. Gutiérrez V,S.
author_sort	Gómez-Jeria,J.S.
title	RAMAN AND X-RAY FLUORESCENCE TO IDENTIFY COLORS OF THE GERMAN HYPERINFLATION STAMPS OF THE 1923 COLLECTION
title_short	RAMAN AND X-RAY FLUORESCENCE TO IDENTIFY COLORS OF THE GERMAN HYPERINFLATION STAMPS OF THE 1923 COLLECTION
title_full	RAMAN AND X-RAY FLUORESCENCE TO IDENTIFY COLORS OF THE GERMAN HYPERINFLATION STAMPS OF THE 1923 COLLECTION
title_fullStr	RAMAN AND X-RAY FLUORESCENCE TO IDENTIFY COLORS OF THE GERMAN HYPERINFLATION STAMPS OF THE 1923 COLLECTION
title_full_unstemmed	RAMAN AND X-RAY FLUORESCENCE TO IDENTIFY COLORS OF THE GERMAN HYPERINFLATION STAMPS OF THE 1923 COLLECTION
title_sort	raman and x-ray fluorescence to identify colors of the german hyperinflation stamps of the 1923 collection
publisher	Sociedad Chilena de Química
publishDate	2019
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072019000404622
work_keys_str_mv	AT gomezjeriajs ramanandxrayfluorescencetoidentifycolorsofthegermanhyperinflationstampsofthe1923collection AT camposvallettemm ramanandxrayfluorescencetoidentifycolorsofthegermanhyperinflationstampsofthe1923collection AT carrascofloresea ramanandxrayfluorescencetoidentifycolorsofthegermanhyperinflationstampsofthe1923collection AT gutierrezvs ramanandxrayfluorescencetoidentifycolorsofthegermanhyperinflationstampsofthe1923collection
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RAMAN AND X-RAY FLUORESCENCE TO IDENTIFY COLORS OF THE GERMAN HYPERINFLATION STAMPS OF THE 1923 COLLECTION

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