Cesareo, Roberto and Brunetti, Antonio (2008) X-ray fluorescence: analysis of 19th century stamps. X-Ray Spectrometry, Vol. 37 (3), p. 260-264. eISSN 1097-4539. Article.
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Latin-American stamps of the period 1850–1900 were analyzed and scanned with a portable x-ray fluorescence equipment composed of a small size x-ray tube and a Si-PIN detector with a capillary collimator, with the aim of identifying their characteristic pigments, establishing in which period of time pigments containing inorganic components have been employed and their evolution vs time.
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