Simultaneous Detection of Nitrite and Nitrate in Celeries and Carrots
Dongwu Liu1, Jinye Niu1, Ling Kong1 & Zhiwei Chen1 Show affiliations
- Shandong University of Technology, China
American Journal of Biochemistry and Biotechnology, Volume 12, Issue 2, pp. 122–126 · doi.org/10.3844/ajbbsp.2016.122.126
Abstract
In this study, the anions nitrite ion (NO2-) and nitrate ion (NO3-) in celeries and carrots were detected with the technique of ion chromatography. A Dionex ICS-2000 ion chromatograph was used to detect the content of NO2- and NO3- in celeries and carrots. NO2- and NO3- were separated on a DIONEX Ionpac AS19 A-4 mm ion-exchange column and an Iopac AG AS19 A-4 mm guard column. The eluant was suppressed with an anion electrical self-regenerating suppressor (ASRS 300) and the content of NO2- and NO3- was detected with a conductivity detector. The detection limits were obtained for anions NO2- and NO3-. The present results showed that the ion chromatography was a suitable technique for the simultaneous determination of NO2- and NO3- in vegetables.
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Liu, D., Niu, J., Kong, L. & Chen, Z. (2016). Simultaneous Detection of Nitrite and Nitrate in Celeries and Carrots. American Journal of Biochemistry and Biotechnology, 12(2), 122–126. https://doi.org/10.3844/ajbbsp.2016.122.126
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