Uso de scanner em espectrofotometria de absorção molecular: aplicação em experimento didático enfocando a determinação de ácido ascórbico Molecular absorption spectrophotometry using a scanner: proposal of a didactic experiment for ascorbic acid determination

<abstract language="eng">Quantitative analysis of colored substances is generally performed using a spectrophotometer for detection of radiation. However, the combination of digital images and mathematical conversion of colors is an alternative for quantitative procedures based on co...

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Bibliographic Details

Published in:	Química Nova
Main Authors:	Marcos S. Gomes, Lilian C. Trevizan, Joaquim A. Nóbrega, Marcos Y. Kamogawa
Format:	Article
Language:	English
Published:	Sociedade Brasileira de Química 2008-01-01
Subjects:	spectrophotometry scanner ascorbic acid
Online Access:	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422008000600050