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Journal of the Mexican Chemical Society

versión impresa ISSN 1870-249X


SANCHEZ ROJAS, Fuensanta; BOSCH OJEDA, Catalina; RUIZ SANCHEZ, Antonio Jesús  y  ESPINOSA BOSCH, María. Use of Experimental Design for Calibration and Validation of Ascorbic Acid and Citric Acid Mixtures. J. Mex. Chem. Soc [online]. 2008, vol.52, n.4, pp.229-234. ISSN 1870-249X.

The general objective of present work has been the development and application of analytical methodologies based on the combination of UV spectra with chemometrics methods of experimental design for establishing the matrix of calibration and later analysis of the obtained results. The analytes selected for this study have been citric acid and ascorbic acid. The citric acid is a tri-carboxylic organic acid that is present in most of the fruits, mainly in citrus like the lemon and the orange. Ascorbic acid (vitamin C) is an organic acid with antioxidant properties; their importance for the human immune system and for the prevention of various diseases is a matter of common knowledge.

Palabras clave : Ascorbic acid; Citric acid; Experimental design; ANOVA; Multiple linear regression.

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