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UV resonance raman spectroscopic detection of nitrate and nitrite in wastewater treatment processes

Ianoul, A and Coleman, T and Asher, SA (2002) UV resonance raman spectroscopic detection of nitrate and nitrite in wastewater treatment processes. Analytical Chemistry, 74 (6). 1458 - 1461. ISSN 0003-2700

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The 204- and 229-nm excited UV resonance Raman spectra of wastewater solutions containing sodium nitrite and nitrate were measured in the concentration range 7 μM to 3.5 mM (0.1-50 ppm nitrogen). The other chemical species present in wastewater do not interfere with Raman measurements of NO2-/NO3- bands. We observe detection limits of <14 μM (<200 ppb) for both NO2- and NO3-. UV resonance Raman spectroscopy appears to be an excellent tool for on-line monitoring of NO2-/NO3- in wastewater for the real-time control of water treatment plants.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Ianoul, A
Coleman, T
Asher, SAasher@pitt.eduASHER
Date: 15 March 2002
Date Type: Publication
Journal or Publication Title: Analytical Chemistry
Volume: 74
Number: 6
Page Range: 1458 - 1461
DOI or Unique Handle: 10.1021/ac010863q
Schools and Programs: Dietrich School of Arts and Sciences > Chemistry
Refereed: Yes
ISSN: 0003-2700
MeSH Headings: Industrial Waste; Nitrates--analysis; Nitrites--analysis; Sensitivity and Specificity; Spectrophotometry, Ultraviolet--methods; Spectrum Analysis, Raman--methods; Water Pollutants, Chemical--analysis
PubMed ID: 11922318
Date Deposited: 23 Jan 2013 21:48
Last Modified: 22 Jun 2021 13:55


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