NWIPB OpenIR
A hybrid monolithic column based on layered double hydroxide-alginate hydrogel for selective solid phase extraction of lead ions in food and water samples
Wang, Jing1; Yang, Qingfeng1; Zhang, Liang1; Liu, Manshun1; Hu, Na2; Zhang, Wentao1; Zhu, Wenxin1; Wang, Rong1; Suo, Yourui2; Wang, Jianlong1
2018-08-15
发表期刊FOOD CHEMISTRY
卷号257页码:155-162
文章类型Article
摘要In order to develop an accurate and precise determination method based on solid phase extraction of Pb(II) in food and water samples, a hybrid monolithic column based on layered double hydroxides (LDHs) nanosheets-alginate hydrogel has been synthesized. Combining the advantages of porous 3D framework of hydrogel with selective adsorption of LDHs toward Pb(II), the hydrogel-based hybrid monolithic column shows enhanced enrichment selectivity and efficiency for target ions. Effects of hydrogel composition, pH, concentration and type of eluent, sample volume, and interfering ions on the recoveries of the analytes were also investigated. Under the optimal experiment conditions of method, the limit of detection, preconcentration factor and precision as RSD% are found to be 0.39 mu g L-1, 53.7 and 2.65%, respectively. Trace Pb(II) can be quantitatively preconcentrated at pH 6.0 with recoveries >97%. Finally, the method was successfully verified by analyzing spiked Pb2+ in water and drinking samples.
关键词Layered Double Hydroxides Alginate Hydrogel Pb(Ii) Solid Phase Extraction Food
WOS标题词Science & Technology ; Physical Sciences ; Life Sciences & Biomedicine
DOI10.1016/j.foodchem.2018.02.143
关键词[WOS]ENVIRONMENTAL-SAMPLES ; CARBON NANOTUBES ; OXYGEN EVOLUTION ; TRACE AMOUNTS ; SORBENT ; ADSORBENT ; NANOSHEETS ; REMOVAL ; AEROGEL ; PB(II)
收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China(21675127) ; Development Project of Qinghai Key Laboratory(2017-ZJ-Y10) ; Fundamental Research Funds for the Northwest A&F University of China(2014YB093 ; 2452015257)
WOS研究方向Chemistry ; Food Science & Technology ; Nutrition & Dietetics
WOS类目Chemistry, Applied ; Food Science & Technology ; Nutrition & Dietetics
WOS记录号WOS:000428938200020
引用统计
被引频次:51[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/13357
专题中国科学院西北高原生物研究所
作者单位1.Northwest A&F Univ, Coll Food Sci & Engn, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci, Northwest Inst Plateau Biol, Qinghai Key Lab Qinghai Tibet Plateau Biol Resour, Xining 810008, Qinghai, Peoples R China
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Wang, Jing,Yang, Qingfeng,Zhang, Liang,et al. A hybrid monolithic column based on layered double hydroxide-alginate hydrogel for selective solid phase extraction of lead ions in food and water samples[J]. FOOD CHEMISTRY,2018,257:155-162.
APA Wang, Jing.,Yang, Qingfeng.,Zhang, Liang.,Liu, Manshun.,Hu, Na.,...&Wang, Jianlong.(2018).A hybrid monolithic column based on layered double hydroxide-alginate hydrogel for selective solid phase extraction of lead ions in food and water samples.FOOD CHEMISTRY,257,155-162.
MLA Wang, Jing,et al."A hybrid monolithic column based on layered double hydroxide-alginate hydrogel for selective solid phase extraction of lead ions in food and water samples".FOOD CHEMISTRY 257(2018):155-162.
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