Determination of Low Concentrations of the Azo-Dye Complex of Nitrite in Fresh Water and Seawater Using Surface-Enhanced Resonance Raman Spectroscopy (SERRS)-Reference-Cited by-同舟云学术

Determination of Low Concentrations of the Azo-Dye Complex of Nitrite in Fresh Water and Seawater Using Surface-Enhanced Resonance Raman Spectroscopy (SERRS)

Published:1992-05 Issue:5 Volume:46 Page:819-826
ISSN:0003-7028
Container-title:Applied Spectroscopy
language:en
Short-container-title:Appl Spectrosc

Author:

Xi Kang¹,Sharma Shiv K.¹,Taylor Gordon T.¹,Muenow David W.¹

Affiliation:

1. Hawaii Institute of Geophysics, School of Ocean and Earth Science and Technology (S.K.S., G.T.T.), and Department of Chemistry (K.X., D.W.M.), University of Hawaii, Honolulu, Hawaii 96822

Abstract

A highly sensitive and selective method for the determination of low concentrations of nitrite in aqueous solutions using surface-enhanced resonance Raman spectroscopy (SERRS) is presented. The SERRS-active substrate was silver hydrosol. In order to induce the SERRS effect, nitrite was transformed into a colored product (an azo dye) by a standard chemical reaction. The detection limit for nitrite is 0.02 nM in distilled water, and analytical calibration curves yield straight lines in the concentration range below 30 nM. The sensitivity of this method is better than that of colorimetry and other techniques such as chemiluminescence. This improvement indicates that SERRS shows great promise as a useful analytical tool for trace analysis of nitrite and dyes.

Publisher

SAGE Publications

Subject

Spectroscopy,Instrumentation

Link

http://journals.sagepub.com/doi/pdf/10.1366/0003702924124817

Reference27 articles.

1. The determination of nanomolar levels of nitrite in fresh and sea water by cathodic stripping voltammetry

2. Spectrophotometric determination of nitrite in water

3. Determination of nitrate and nitrite at the parts per billion level by chemiluminescence

4. Water analysis

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