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, Jing ; Yang, Qingfeng ; Zhang, Liang ; Liu, Manshun ; Hu, Na ; Zhang, Wentao ; Zhu, Wenxin ; Wang, Rong ; Suo, Yourui ; Wang, Jianlong
2018-08-15
发表期刊FOOD CHEMISTRY
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.
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/23840
专题中国科学院西北高原生物研究所
推荐引用方式
GB/T 7714
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.
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.
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 (2018).
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