Comparison of Typewriter Ribbon Inks by Thin-Layer Chromatography

Autor:	A. A. Cantu, RL Brunelle, JF Negri, AH Lyter
Rok vydání:	1977
Předmět:	Engineering drawing Computer science Ribbon Genetics Pathology and Forensic Medicine
Zdroj:	Journal of Forensic Sciences. 22:10423J
ISSN:	0022-1198
DOI:	10.1520/jfs10423j
Popis:	Examiners of questioned or disputed documents are frequently asked to ascertain whether or not the text of a typewritten document has been altered by the use of either a different typewriter or the same typewriter at a later date. Any technique that can distinguish among the various commercially available typewriter ribbon inks is a potentially valuable tool to the examiner of questioned documents.
Databáze:	OpenAIRE
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