Avaliação de dispositivos de captura de imagens digitais para detecção colorimétrica em microzonas impressas
Autor: | Fabrício Ribeiro de Souza, Gerson Francisco Duarte Junior, Paulo de Tarso Garcia, Wendell Karlos Tomazelli Coltro |
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Jazyk: | English<br />Spanish; Castilian<br />Portuguese |
Rok vydání: | 2014 |
Předmět: | |
Zdroj: | Química Nova, Vol 37, Iss 7, Pp 1171-1176 (2014) |
Druh dokumentu: | article |
ISSN: | 1678-7064 0100-4042 |
DOI: | 10.5935/0100-4042.20140189 |
Popis: | This report describes a study about the feasibility of using a conventional digital camera, a cell-phone camera, an optical microscope, and a scanner as digital image capture devices on printed microzones. An array containing nine circular zones was drawn using graphics software and printed onto transparency film by a laser printer. Due to its superior analytical performance, the scanner was chosen for the quantitative determination of Fe2+ in pharmaceutical samples. The data achieved using scanned images did not differ statistically from those attained by the reference spectrophotometric method at the confidence level of 0.05. |
Databáze: | Directory of Open Access Journals |
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