Citation: PENG Zifang, LI Qin, ZHANG Guangrui, ZHAO Wuduo, LIAN Hongzhen, ZHANG Shusheng. Solid phase extraction and high performance liquid chromatography with tetraaza[2]arene[2]triazine-bonded silica gel adsorbent for determination of nitrophenols and diethylstilbestrol in river water[J]. Chinese Journal of Chromatography, ;2020, 38(1): 143-148. doi: 10.3724/SP.J.1123.2019.06022 shu

Solid phase extraction and high performance liquid chromatography with tetraaza[2]arene[2]triazine-bonded silica gel adsorbent for determination of nitrophenols and diethylstilbestrol in river water

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College of Chemistry, Zhengzhou University, Zhengzhou 450001, China;
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Food and Drug Inspection Institute of Zhengzhou, Zhengzhou 450008, China;
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College of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China

Corresponding author: ZHANG Shusheng, zsszz@126.com
Received Date: 25 June 2019

Fund Project: National Natural Science Foundation of China (No. 21775140).

A novel method based on solid phase extraction (SPE)-high performance liquid chromatography (HPLC) was developed for the simultaneous determination of nitrophenols and diethylstilbestrol in river water. Tetraaza[2]arene[2]triazine-bonded silica gel, a homemade SPE adsorbent, was used to enrich the nitrophenols and diethylstilbestrol, and the optimal SPE and HPLC conditions were established. The sample solution was adjusted to pH 5, purified with a lab-made solid phase extraction column, and then eluted with 2 mL ammonia-methanol (2:98, v/v). The enriched sample was separated on a C8 column with methanol and 0.1% phosphoric acid solution as mobile phases in a gradient elution. Under the optimized conditions, the limits of detection (LOD, S/N=3) for the four target analytes were 0.03-0.3 μg/L, and the limits of quantification (LOQ, S/N=10) were 0.1-1.0 μg/L. The recoveries were 75.5%-104.2%, and the relative standard deviations (RSD, n=5) were less than 6.3%. The proposed method is accurate and reliable, and it has been successfully used for determining nitrophenols and diethylstilbestrol in river water.
- tetraaza[2]arene[2]triazine,
- solid phase extraction(SPE),
- high performance liquid chromatography (HPLC),
- nitrophenol,
- diethylstilbestrol,
- river water
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沈阳化工大学材料科学与工程学院沈阳 110142