Issue 31, 2023, Issue in Progress
From the journal:

RSC Advances

Trace determination of disinfection by-products in drinking water by cyclic ion chromatography with large-volume direct injection

Haibao Zhu, ORCID logo ab   Zheng Ruan,a   Han Wang,a   Danhua Liu,a   Hongfang Tanga  and  Jiahong Wang*c  

* Corresponding authors

a School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang 310013, P. R. China

b Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, P. R. China

c Center of Safety Evaluation and Research, Hangzhou Medical College, Hangzhou, Zhejiang 310013, P. R. China
E-mail: 2020000283@hmc.edu.cn

Abstract

A novel cyclic ion chromatography (IC) system was developed for the simultaneous determination of trace disinfection by-products (DBPs) in drinking water. Five DBPs (chlorite, bromate, chlorate, dichloroacetic acid, and trichloroacetic acid) were sensitively determined by large-volume direct injection, and the interferences of dominant inorganic anions present in water were eliminated online through the cyclic determination of the target analytes. Under optimized conditions, the obtained limits of detection (LODs) were in the range of 0.18–1.91 μg L−1 based on a signal-to-noise ratio (S/N) of 3 and an injection volume of 1.0 mL. The RSDs for peak area and retention time were in the range of 0.13–1.03% and 1.24–4.29%, respectively. Satisfactory recoveries between 92.3% and 106.4% were obtained by adding three concentration gradients of standards to the drinking water samples. The proposed method has advantages such as high sensitivity, facile automation, and no sample pretreatment, and might be a promising approach for routine analysis.

Graphical abstract: Trace determination of disinfection by-products in drinking water by cyclic ion chromatography with large-volume direct injection

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Article information

DOI
https://doi.org/10.1039/D3RA02471G
Article type
Paper
Submitted
13 Apr 2023
Accepted
05 Jul 2023
First published
18 Jul 2023
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2023,13, 21550-21557

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Trace determination of disinfection by-products in drinking water by cyclic ion chromatography with large-volume direct injection

H. Zhu, Z. Ruan, H. Wang, D. Liu, H. Tang and J. Wang, RSC Adv., 2023, 13, 21550 DOI: 10.1039/D3RA02471G

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