Floral waste synthesized silver nanoparticles as sensor for Cr (VI) ion detection

被引：2

作者：

Ashraf, Iqra ^{[1
]}

Agarwal, Anupam ^{[1
]}

Singh, Nakshatra B. ^{[1
,2
]}

Ray, Madhumita B. ^{[3
]}

机构：

[1] Sharda Univ, Dept Chem & Biochem, SSBSR, Greater Noida 201310, India

[2] Sharda Univ, Res Dev Cell, Greater Noida 201310, India

[3] Western Univ, Dept Chem & Biochem Engn, London, ON, Canada

来源：

ENVIRONMENTAL MONITORING AND ASSESSMENT | 2023年 / 195卷 / 06期

关键词：

Floral waste; Ag NPs; Green synthesis; Cr (VI); Sensor; Stability; COLORIMETRIC DETECTION; CR(VI); BIOSYNTHESIS;

D O I：

10.1007/s10661-023-11342-2

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The presence of heavy metal ions, particularly Cr (VI) in water, is a serious environmental concern. There is a need to develop low-cost and efficient methods for sensing and removing Cr (IV) ions selectively. In this paper, floral waste (FW) extract is used for the synthesis of Ag NPs for sensing Cr (VI) ions in an aqueous solution. Silver nanoparticles (Ag-NPs) were characterized using spectroscopic (UV-visible and FTIR), X-ray diffraction, TEM, and SEM techniques. UV-visible spectroscopic studies revealed that in the presence of Cr (VI) ions, there is an abrupt change in the lambda(max) value of Ag NPs in aqueous solution, indicating that the synthesized Ag-NP is an excellent sensor for the spectroscopical detection of Cr (VI) ions with a low detection limit of 0.5 ppm. The method is fast, economical, simple, and efficient.

引用

页数：13

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