Nagaraja, P and Kumar, MSH and Mallikarjuna, NN (2002) Dapsone a new diazotizing reagent for the spectrophotometric determination of nitrite in waste and natural water samples. In: Annali di Chimica, 92 (1-2). pp. 127-134.
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A new diazotizing reagent for the spectrophotometric determination of nitrite is described. The method is based on diazotization-coupling reaction between dapsone and phloroglucinol in hydrochloric acid medium. The reactions were conducted at room temperature, the molor absorptivity at 425 nm is 4.28 x 10(4) 1 Mol, (1)cm(-1) and was stable for 50 h. Beer's law was obeyed in the nitrite range of 0.008 - 1.0 mug ml(-1). Tolerance limits were tested for 33 species. The method has been found to be applicable for the determination of nitrite in natural and wastewater.
| Item Type: | Journal Article |
|---|---|
| Publication: | Annali di Chimica |
| Publisher: | John Wiley and Sons |
| Additional Information: | Copyright of this article belongs to John Wiley and Sons. |
| Keywords: | Water pollution;Chemical pollution;Environmental control; Concentration effect;Interelement effect;Acidic solution; Dapsone;Phloroglucinol;Diazotization;Chemical coupling; Sample preparation;Ultraviolet visible spectrometry; Environmental materials;Nitrites;Inorganic anion; Quantitative analysis;Chemical analysis;Trace analysis; |
| Department/Centre: | Division of Chemical Sciences > Solid State & Structural Chemistry Unit |
| Date Deposited: | 21 Jul 2011 07:31 |
| Last Modified: | 21 Jul 2011 07:31 |
| URI: | http://eprints.iisc.ac.in/id/eprint/39130 |
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