ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): María A. Jaworski, Guillermo J. Siri, Mónica L. Casella

Email(s): casella@quimica.unlp.edu.ar

DOI: Not Available

Address: María A. Jaworski1, Guillermo J. Siri2 and Mónica L. Casella1,2
1Centro de Investigacióny Desarrollo en Ciencias Aplicadas “Dr. Jorge J. Ronco” (CINDECA) (CCT La Plata-CONICET, UNLP), Universidad Nacional de la Plata, Facultad de Ciencias Exactas, 47 Nº 257, 1900, La Plata, Argentina.
2Facultad de Ingeniería, Universidad Nacional de la Plata, 47 Nº257, 1900, La Plata, Argentina.
*Corresponding Author

Published In:   Volume - 4,      Issue - 11,     Year - 2011


ABSTRACT:
The spectrophotometric method presented here was developed to provide information about the concentrations of nitrate and nitrite ions during the catalytic reduction of nitrate in drinking water. For the determination of nitrate, the absorbance is measured at 220 nm and HCl is used as the sole reagent. For the determination of nitrite, a method in which a peroxovanadate complex is decolorized by nitrite, was employed as basis for the quantitative determination of this ion in water samples. The calculated concentrations of NO2- and NO3- agree with the true concentrations within 5% for NO3- and 1% for NO2-, showing that the developed method is useful for the determination of both components. The results obtained with the proposed method agree well with those obtained by the standard IC method.


Cite this article:
María A. Jaworski, Guillermo J. Siri, Mónica L. Casella. A simple and Sensitive Spectrophotometric Determination of Nitrate and Nitrite in Water Samples. Asian J. Research Chem. 4(11): Nov., 2011; Page 1655-1660.

Cite(Electronic):
María A. Jaworski, Guillermo J. Siri, Mónica L. Casella. A simple and Sensitive Spectrophotometric Determination of Nitrate and Nitrite in Water Samples. Asian J. Research Chem. 4(11): Nov., 2011; Page 1655-1660.   Available on: https://ajrconline.org/AbstractView.aspx?PID=2011-4-11-1


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