Silver nanoparticles as colorimetric probe for selective determination of Hg2+ from milk samples with ultrasound-assisted extraction protocol

被引：1

作者：

Nikam, Pranali ^{[1
]}

Seth, Raman ^{[1
]}

Sharma, Rajan ^{[1
]}

机构：

[1] Natl Dairy Res Inst, Dairy Chem Div, ICAR, Karnal 132001, Haryana, India

来源：

INTERNATIONAL JOURNAL OF DAIRY TECHNOLOGY | 2024年 / 77卷 / 02期

关键词：

Colorimetric analysis; Silver nanoparticles; Milk; Ultrasound-assisted extraction; Absorption ratio; Hg2+; MERCURY; SENSITIVITY; SPECIATION; REDUCTION; SENSORS; WATER; IONS;

D O I：

10.1111/1471-0307.13071

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

The present investigation demonstrates a simple, sensitive and selective colorimetric probe for the detection of Hg2+ in milk samples employing redox interaction of Hg2+ ions with citrate-stabilised silver nanoparticles, inducing colour change from yellow to colourless. Milk samples were pretreated by ultrasound assistance in acidic media. The detection limit (LOD) was 6.17 ppb using UV-Visible spectrophotometer with linear correlation (R-2 = 0.9901) at 10-2000 ppb solution of Hg2+ ions. Developed probe was highly selective to Hg2+ over different interfering metal ions and can be effectively employed to identify Hg2+ in milk samples.

引用

页码：338 / 347

页数：10

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