Nagaraja, P. and Shivaswamy, M. and Kumar, H. (2001) Highly sensitive N-(1-naphthyl)ethylene diamine method for the spectrophotometric determination of trace amounts of nitrite in various water samples. International Journal of Environmental Analytical Chemistry, 80 (1). pp. 39-48. ISSN 0306-7319
Text (Full Text)
Che_2001_Nagaraj.pdf - Published Version Download (578kB) |
Abstract
A rapid, simple, sensitive and selective spectrophotometric determination of trace nitrite is described. The method is based on a diazotization-coupling reaction between dapsone and N-(1-naphthyl)ethylenediamine dihydrochloride (NEDA) in a hydrochloric acid medium. The molar absorptivity and Sandell's sensitivity were found to be 7.2x10(4) 1 mol(-1) cm(-1) and 0.00063 mug ml(-1), respectively. The calibration graph is linear for 0.002-0.6 mug ml(-1) of nitrite. The interference effects of various cations and anions were also studied and reported. This method has been found to be applicable to the determination of nitrite in various water samples.
Item Type: | Article |
---|---|
Uncontrolled Keywords: | dapsone; N-(1-naphthyl)ethylenediamine dihydrochloride; nitrite; spectrophotometry |
Subjects: | C Chemical Science > Chemistry |
Divisions: | Department of > Chemistry |
Depositing User: | Harisha R uom |
Date Deposited: | 31 Jan 2020 05:22 |
Last Modified: | 31 Jan 2020 05:22 |
URI: | http://eprints.uni-mysore.ac.in/id/eprint/10136 |
Actions (login required)
View Item |