Polyvinyl alcohol/polyacrylamide hydrogel-based sensor for lead (II) ion sensing by resonance Rayleigh scattering

被引：11
作者：
Niazy, Bakhtyar [1 ,2 ]
Ghasemzadeh, Hossein [1 ]
Vanashi, Abolfazl Keshtkar [1 ]
Afraz, Shiravan [1 ]
机构：
[1] Imam Khomeini Int Univ, Fac Sci, Dept Chem, POB 288, Qazvin, Iran
[2] Laghman Univ, Dept Chem, Mihtarlam, Afghanistan
来源：
REACTIVE & FUNCTIONAL POLYMERS | 2022年 / 175卷
关键词：
Hydrogel; Sensor; Resonance Rayleigh scattering; Pb 2+ detection; Polyvinyl alcohol; ERIOCHROME BLACK-T; MASS-SPECTROMETRY;
D O I：
10.1016/j.reactfunctpolym.2022.105266
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
In this research, a hydrogel based sensor was designed for detection and measurement of lead (II) ions based on resonance Rayleigh scattering (RRS) using polyvinyl alcohol (PVA), and acrylamide (AAm) loaded by Eriochrome Black T (EBT), prepared via in-situ radical polymerization method. The results indicated that the designed sensor is highly selective and sensitive in detecting Pb2+quantitatively. The RRS intensity of the sensor is significantly increased at pH = 11. Under the optimum conditions, the linear detection range was validated from 100 mu M to 500 mu M. The lead ions recovery from aqueous solution was found in the range of 99% to 104%. The hydrogel/EBT sensor has a potential for sensitive and selective detection of various metal ions or metal based target molecules by changing the selective ligand of the probe in the hydrogel.
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页数：8
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